Columbite-(Fe)-Columbite-(Mn) Series

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

About Columbite-(Fe)-Columbite-(Mn) SeriesHide

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Crystallography of Columbite-(Fe)-Columbite-(Mn) SeriesHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0008845	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003	Kragero, Norway	0	293
0008842	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003	San Jose de Safira, Minas Gerais, Brazil	0	293
0018629	Columbite-(Fe)	dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M (2001) Crystal chemistry and structure of the orthorhombic (Fe,Mn)(Ta,Nb)2O6 family of compounds Brazilian Journal of Physics 31 616-631		2001	Brazil	0	293
0008846	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003	Kragero, Norway	0	573
0008843	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003	San Jose de Safira, Minas Gerais, Brazil	0	573
0008844	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003	San Jose de Safira, Minas Gerais, Brazil	0	873
0003860	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0003850	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0003849	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0003851	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0003848	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0003847	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	293
0001436	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904		1991		0	293
0016267	Columbite-(Fe)	Bordet P, McHale A, Santoro A, Roth R (1986) Powder neutron diffraction study of ZrTiO4, Zr5Ti7O24 and FeNb2O6 _cod_database_code 1008356 Journal of Solid State Chemistry 64 30-46		1986		0	293
0001435	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904		1991		0	100
0003861	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	773
0003862	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	803
0003864	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	873
0003863	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	873
0003852	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	873
0008847	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598		2003		0	873
0003854	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	923
0003853	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	923
0003865	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	973
0003856	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	973
0003855	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	973
0003867	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	1073
0003866	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	1073
0003858	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	1073
0003857	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	1073
0003859	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300		2005		0	1223

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Columbite-(Mn)' loop_ _publ_author_name 'Tarantino S C' 'Zema M' 'Pistorino M' 'Domeneghetti M C' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 30 _journal_year 2003 _journal_page_first 590 _journal_page_last 598 _publ_section_title ; High-temperature X-ray investigation of natural columbites Note: sample KRA5 at T = 20 C ; _database_code_amcsd 0008845 _chemical_compound_source 'Kragero, Norway' _chemical_formula_sum 'Mn.792 Fe.138 Ti.077 Nb1.794 Ta.166 Ca.009 Sn.003 Sc.002 W.001 O6' _cell_length_a 14.3860 _cell_length_b 5.7478 _cell_length_c 5.0797 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 420.029 _exptl_crystal_density_diffrn 5.513 _symmetry_space_group_name_H-M 'P b c n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Mn2+A 0.00000 0.31970 0.25000 0.79200 0.00690 Fe2+A 0.00000 0.31970 0.25000 0.13800 0.00690 Ti4+A 0.00000 0.31970 0.25000 0.07700 0.00690 Nb5+B 0.16260 0.17960 0.73910 0.89700 0.00720 Ta5+B 0.16260 0.17960 0.73910 0.08300 0.00720 Ca2+B 0.16260 0.17960 0.73910 0.00450 0.00720 Sn4+B 0.16260 0.17960 0.73910 0.00150 0.00720 Sc3+B 0.16260 0.17960 0.73910 0.00100 0.00720 W6+B 0.16260 0.17960 0.73910 0.00050 0.00720 O1 0.09840 0.09850 0.05760 1.00000 0.00880 O2 0.08270 0.38360 0.59690 1.00000 0.01010 O3 0.24370 0.12590 0.41000 1.00000 0.00800 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Mn2+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000 Fe2+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000 Ti4+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000 Nb5+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 Ta5+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 Ca2+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 Sn4+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 Sc3+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 W6+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010 O1 0.01040 0.00730 0.00880 0.00110 0.00150 0.00190 O2 0.01110 0.00890 0.01030 0.00140 0.00110 -0.00040 O3 0.00920 0.00590 0.00910 -0.00030 0.00160 -0.00140

Synonyms of Columbite-(Fe)-Columbite-(Mn) SeriesHide

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References for Columbite-(Fe)-Columbite-(Mn) SeriesHide

Localities for Columbite-(Fe)-Columbite-(Mn) SeriesHide

Showing 2,516 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Afghanistan
Badakhshan Fayzabad District Talbuzanak pegmatite field ⓘ Talbuzanak pegmatite	Orris et al. (2002)
Daykundi Shahristan District ⓘ Taghawlor pegmatite field	Orris et al. (2002)
Kunar Dara-e-Pech District ⓘ Dara-e-Pech pegmatite field	[Columbite-(Fe), Columbite-(Mn)] Betts (n.d.)
Nuristan Nilaw-Kolum pegmatite field ⓘ Mawi pegmatite	Mark Wrigley
ⓘ Parun pegmatite field	Orris et al. (2002)
ⓘ Drumgal pegmatites	Orris et al. (2002)
Pasghushta pegmatites ⓘ Upper Pasghushta deposit	Orris et al. (2002)
Algeria
Djanet Province Djanet District ⓘ Ebelekan	Kesraoui et al. (2002)
Jijel Province El Milia District ⓘ Oued Berkou	Tchimichkian (1974)
Tamanrasset Province (Tamanghasset Province) Tamanrasset District ⓘ Tin-Amzi granite dome	Kesraoui Mokrane +4 other references
Angola
Namibe Province Moçâmedes Giraúl pegmatite field ⓘ Type II pegmatites	Gonçalves et al. (2019)
ⓘ Type III pegmatites	Antonio Olimpio Gonçalves et al. (2009)
ⓘ Type IV pegmatites	[Columbite-(Fe)] Antonio Olimpio Gonçalves et al. (2009) +1 other reference
Argentina
Catamarca Province Ancasti Department Ancasti ⓘ Ancasti Pegmatite District	Galliski et al. (2022)
Belén Department Corral Quemado Papachacra Papachacra pegmatites Cerro León Muerto ⓘ Veta Calzada	COLOMBO +1 other reference
Sierra de Ancasti El Portezuelo ⓘ El Portezuelo Granite	[Columbite-(Fe)] COLOMBO +1 other reference
Córdoba Province Calamuchita Department Río de Los Sauces District ⓘ Angel Mine	[Columbite-(Mn)] Demartis et al. (2014)
Cruz del Eje department Candelaria District ⓘ Gigante pegmatite	[Columbite-(Fe)] Minerals acquired from Mr. Nelson ...
Punilla Department San Roque District Tanti ⓘ Cerro Blanco pegmatite district	Dina (1993) +1 other reference
ⓘ El Criollo Mine	[Columbite-(Fe)] American Mineralogist (1978) +1 other reference
Villa Parque Síquiman ⓘ El Pato Pegmatite	Colombo et al. (2006)
ⓘ SD-1 Pegmatite	Colombo et al. (2006)
ⓘ SD-2 Pegmatite	Colombo et al. (2006)
ⓘ San Jose pegmatite	Econ Geol (1995)
Jujuy Province Rinconada Department ⓘ Cerro Granadas	Zappettini
La Rioja Province Sanagasta department Huaco Velasco mining district ⓘ La Buena II pegmatite	a study of differentiation. Economic Geology (3) +1 other reference
ⓘ La Chinchilla granite	[Columbite-(Fe)] Bardelli et al. (2018)
ⓘ Salar del Hombre Muerto	C. R. Cortelezzi y R. A. Argañaraz (1981)
Salta Province Cachi Department Nevado de Palermo ⓘ El Quemado mining district	[Columbite-(Mn)] López de Azarevich et al. (2021)
La Poma Department ⓘ El Quemado mining district	Brodtkorb (2002)
ⓘ El Peñón deposit	AmMin 84:1674-1679 +1 other reference
ⓘ La Elvirita deposit	[Columbite-(Mn)] Galliski et al. (2001)
ⓘ Santa Elena pegmatite	López de Azarevich et al. (2021)
ⓘ Tres Tetas pegmatite	López de Azarevich et al. (2021)
San Luis Province Chacabuco Department Sierra de la Estanzuela ⓘ La Viquita pegmatite	Econ Geol (1995) +1 other reference
Coronel Pringles Department El Trapiche La Florida ⓘ San Luis Mine	[Columbite-(Mn)] Galliski et al. (2011)
ⓘ San Luis II pegmatite	Galliski et al. (2011)
Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	[Columbite-(Mn)] Galliski et al. (2012)
Totoral pegmatitic field ⓘ Independencia Argentina pegmatite	[Columbite-(Fe), Columbite-(Mn)] Galliski et al. (2015)
ⓘ Santa Ana Pegmatite	Galliski et al. (2011)
Junín Department Talita ⓘ La Meta pegmatite	Econ Geol (1995)
San Martín Department ⓘ María Elena pegmatite	[Columbite-(Mn)] Galliski et al. (2009) +1 other reference
San Martín ⓘ Las Cuevas pegmatite	Econ Geol (1995)
Sierra de Comechingones Comechingones Pegmatitic field ⓘ Ángel pegmatite	Demartis et al. (2011)
Santiago del Estero Province Ojo de Agua Department ⓘ Jasimampa prospect	[Columbite-(Fe)] Franchini et al. (2005)
Tierra del Fuego Province Río Grande Department Carmen Sylva River ⓘ La Cristel Mine
ⓘ Tucumán Province	Raúl Jorge Tauber Larry +1 other reference
La Cocha Department Huasa Pampa ⓘ San Ignacio-Cumbre de Los Pinos Granites	MINERAL DE U-Ta-Nb EN LOS GRANITOS SAN ...
Asia
Emeishan Traps ⓘ Chahe lithological column	Deng et al. (2022)
ⓘ Zhangsigou lithological column	Deng et al. (2022)
Australia
New South Wales Gough Co. ⓘ Inverell	Amphon et al. (2024)
Northern Territory Barkly Region Barrow Creek Barrow Creek Pegmatite Field ⓘ Anster Pegmatite	Forsythe (1981)
ⓘ Easy Pegmatite	Forsythe (1981)
ⓘ Halfway Pegmatite	Forsythe (1981)
ⓘ Horizontal Pegmatite	Forsythe (1981)
ⓘ Ivy Pegmatite	Forsythe (1981)
ⓘ Millar's Workings (Millers Workings)	Forsythe (1981)
ⓘ Tommy's Show Pegmatite	Forsythe (1981)
Sandover Ammaroo Station (Amaroo Station) ⓘ Juggler Mine	Ahmad et al. (2013)
Central Desert Region Delmore Downs station Mount Ida ⓘ Spotted Wonder prospect	Jaffe 1946 Am Min
Harts Range (Harts Ranges; Hartz Range; Hartz Ranges) Mt Riddock Station ⓘ Black Cat Mine	Warren (1980)
Queensland City of Mount Isa ⓘ Mica Creek	[Columbite-(Fe), Columbite-(Mn)] Costas Constantinides collection
Tablelands Region Kinrara National Park ⓘ Lava Plains	[Columbite-(Fe)] Sutherland
South Australia Pastoral Unincorporated Area Bimbowrie Conservation Park ⓘ Alconie Hill	Lottermoser et al. (1997)
ⓘ Domenic Mine	Lottermoser et al. (1997)
Old Boolcoomata Station ⓘ Brady Beryl (Brady Mine)	Lottermoser et al. (1997)
White Rock Feldspar Mine ⓘ White Rock No. 2 pegmatite	Lottermoser et al. (1997) +3 other references
Boolcoomatta Reserve (Boolcoomata Station) ⓘ Wiperaminga Hill West Quarry	[Columbite-(Fe)] Elliott et al. (2026)
Moolawatana Station (Moolawatana) Mt Babbage area (Inlier) ⓘ Yerila gneissic complex	[Columbite-(Fe), Columbite-(Mn)] PA Wulser - unpublished data
Umberatana Umberatana Diatreme ⓘ Tourmaline Hill granite pegmatites	[Columbite-(Mn)] mentioned references in description
Wooltana Station (Wooltana) Paralana High Plains ⓘ Beverley Mine	Wülser et al. (2011)
Tasmania Dorset municipality Moorina ⓘ Weld River	McGee (2005)
Northern Midlands municipality Rossarden mining district ⓘ Aberfoyle Mine (Aberfoyle Tin Mine; Rossarden Tin Mine)	[Columbite-(Mn)] R Botttrill
Victoria East Gippsland Shire Glen Valley ⓘ Blue Jacket Tin Mine (Blue Jacket Reef)	[Columbite-(Fe)] Personally collected by Ryan Eagle in ...
ⓘ Knocker dyke (South Blue Jacket)	[Columbite-(Fe)] Eagle et al. (2015)
Western Australia Bridgetown-Greenbushes Shire ⓘ Donovans Find (Smithfield)	Jacobson et al. (2007)
Greenbushes tinfield ⓘ Greenbushes Mine	[Columbite-(Fe), Columbite-(Mn)] The Canadian Mineralogist
City of Karratha Roebourne ⓘ Mount Hall pegmatite field	Jacobson et al. (2007) +2 other references
Coolgardie Shire Binneringie Station ⓘ Binneringie Tantalite (Bald Hill pegmatites; Woodline pegmatites)	Jacobson et al. (2007)
ⓘ Dawn View pegmatites	Jacobson et al. (2007)
Coolgardie Hampton group ⓘ Barbara Mine	Grguric et al. (2009)
Gibraltar Goldfield ⓘ Lloyd George Gold Mine	[Columbite-(Mn)] Simpson (1948)
ⓘ Lord Bob Gold Mine	[Columbite-(Fe)] Western Australian Mines Department (1947)
ⓘ Nepean	[Columbite-(Mn)] Keith Compton collection
ⓘ Londonderry Li deposit	[Columbite-(Fe), Columbite-(Mn)] Jacobson (1997)
Spargoville ⓘ Giles Columbite-Beryl Pegmatite (Giles Prospect)	[Columbite-(Fe)] Min News 20:6 pp1
ⓘ Mount Marion pegmatites	Simon (2019)
ⓘ South Moriarty Columbite pegmatite	- (Perth 2007) +2 other references
ⓘ South Spargoville Columbite pegmatite	- (Perth 2007) +2 other references
ⓘ Spargo's Reward Gold Mine	Mock et al. (1987)
Cue Shire Coodardy Station ⓘ Coodardy pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
Lakeside Station ⓘ Lakeside pegmatite No.3	Simpson Mineral Collection of the ... +1 other reference
ⓘ Poona	Marshall et al. (2016)
ⓘ Aga Khan Mine	[Columbite-(Fe)] - (2002)
ⓘ Emerald Pool mine (Emerald Gem mine; East Poona mine)	Marshall et al. (2016)
Donnybrook-Balingup Shire Balingup ⓘ Ferndale pegmatite	[Columbite-(Fe)] - (Perth 2007) +2 other references
East Pilbara Shire Marble Bar ⓘ Moolyella pegmatite field	[Columbite-(Mn)] E.S. Simpson +2 other references
Pilgangoora ⓘ Green's Well pegmatite (Green's Tank)	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Coffin Bore North-East (MC132)	Jacobson et al. (2007)
ⓘ MC80	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Wagon Wheel Patch (MC131)	Jacobson et al. (2007)
ⓘ Pilgangoora alluvials 3	Jacobson et al. (2007)
ⓘ Pilgangoora pegmatites	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
Shaw River District ⓘ Cooglegong pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ Tabba Tabba pegmatite (Tabba Tabba Tantalum Mine)	[Columbite-(Mn)] Fetherston (2004)
Halls Creek Shire ⓘ Cummins Range complex (Minneroo Pool)	[Columbite-(Fe)] Downes et al. (2014)
Halls Creek Goldfield ⓘ Brockman REE prospect (Hastings)	Taylor et al. (1995) +1 other reference
Mount Dockrell Goldfield Mount Dockrell pegmatites ⓘ Columbium Creek	Jacobson et al. (2007)
ⓘ Junda 3	Jacobson et al. (2007)
ⓘ Mount Dockrell	Jacobson et al. (2007)
ⓘ Mount Heartbreak E Mine	Jacobson et al. (2007)
Menzies Shire Mulga Rocks U prospects ⓘ Shogun Pit 3	Douglas GB et al. (1993)
Perenjori Shire Karara Conservation Reserve ⓘ Rothsay beryl pegmatites (Seleka; Perenjori Beryl Mine)	Jacobson et al. (2007)
Port Hedland Shire Abydos Station ⓘ Pinga Creek pegmatite field	[Columbite-(Mn)] Simpson (1928) +1 other reference
ⓘ Leeds Tin Find (Hall's Tin Find; Pinga Tin Mine)	[Columbite-(Mn)] Simpson (1948)
ⓘ White Springs	Jacobson et al. (2007)
Wodgina ⓘ Beryl Group	[Columbite-(Mn)] Sweetapple et al. (2001)
ⓘ Mount Cassiterite	[Columbite-(Mn)] Sweetapple et al. (2001) +1 other reference
ⓘ Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[Columbite-(Mn)] Simpson (1928)
Mugarinya Community ⓘ Mount Francisco	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Congo	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Hooley & Co.	[Columbite-(Mn)] Jacobson et al. (2007)
Pippingarra Station ⓘ Pippingarra Mine	Jacobson et al. (2007)
Ravensthorpe Shire ⓘ Cocanarup pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Ravensthorpe	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Mount Cattlin Mine	[Columbite-(Mn)] Jacobson et al. (2007)
Upper Gascoyne Shire Yinnietharra ⓘ Arthur River pegmatites	[Columbite-(Fe)] Jacobson et al. (2007) +1 other reference
ⓘ Bismuth Hill (The Cairn)	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Cairn Mining Centre	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Williamson's Beryl Mine	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Camel Hill pegmatites	Jacobson et al. (2007) +2 other references
ⓘ Caravan pegmatite (Jade pegmatite 2)	Jacobson et al. (2007)
ⓘ Kempton Brothers Beryl Mine	[Columbite-(Fe)] Bridge et al. (1974)
ⓘ Mica King pegmatite	Jacobson et al. (2007) +2 other references
ⓘ Mineral Claim 790 Pegmatite	Peter Downes
ⓘ Nardoo Hill (Beryl Hill)	[Columbite-(Fe)] Jacobson et al. (2007)
ⓘ Nardoo Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ New Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ North Morrissey Hill pegmatite group	[Columbite-(Mn)] Hesperian Press +2 other references
ⓘ Roe and Hassell	Jacobson et al. (2007) +2 other references
ⓘ Wabli Creek pegmatites	Jacobson et al. (2007) +2 other references
Yalgoo Shire Dalgaranga Station ⓘ Dalgaranga Mine	Jacobson et al. (2007) +2 other references
Meka Station ⓘ Warda Warra pegmatite field	Jacobson et al. (2007) +2 other references
ⓘ Mount Farmer Mine (Niobe prospect)	[Columbite-(Mn)] Calderwood +2 other references
Noongal Station ⓘ Harrison's Reward	[Columbite-(Mn)] Simpson (1948)
Paynes Find ⓘ Mount Edon	Pegamtites of Western Australia +2 other references
Yilgarn shire Mount Holland pegmatite field ⓘ Forrestania Rubellite pegmatite	[Columbite-(Fe)] - (Perth 2007) +2 other references
Austria
Carinthia Spittal an der Drau District Millstatt lake ⓘ Laggerhof	[Columbite-(Fe)] Carinthia II (2012) +1 other reference
Spittal an der Drau Lieser ravine ⓘ Lippnik feldspar quarry	Pichler (2009)
Wolfsberg ⓘ Feldspar quarry	[Columbite-(Fe)] Niedermayr et al. (1995)
Wolfsberg District Frantschach-Sankt Gertraud Brandrücken ⓘ Spodumene prospect	[Columbite-(Fe)] Č +2 other references
ⓘ Grillitschhütte	[Columbite-(Fe)] Niedermayr et al. (1995)
Lower Austria Gmünd District ⓘ Heidenreichstein	Albert Prayer collection
Schrems Gebharts ⓘ Widy quarry	Huber et al. (1977) +2 other references
Horn District Gars am Kamp Maiersch ⓘ Doppelbachgraben (Tobelbachgraben)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch (2018)
Krems-Land District Gföhl Felling ⓘ Zwettler Leiten	HEHENBERGER (1996)
ⓘ Miesling valley	Martin Slama collection
Mühldorf ⓘ Bengelbach (incl. Mitterfeld)	[Columbite-(Mn)] Kolitsch (2019)
Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch et al. (2023)
Senftenberg ⓘ Königsalm	Niedermayr (1969) +2 other references
Spitz ⓘ Birileiten	Martin Slama collection
ⓘ Huthof ("Am Hut"; Buchberg)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Radlbachtal (Radlgraben; Huthof)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Windeckberg	[Columbite-(Fe)] Kolitsch et al. (2020)
Weinzierl am Walde ⓘ Blocherleitengraben	[Columbite-(Fe), Columbite-(Mn)] Kolitsch (2017)
Melk District Weiten ⓘ Weiterndorf	[Columbite-(Fe)] Kolitsch (2016)
Waidhofen an der Thaya District Raabs an der Thaya Eibenstein an der Thaya ⓘ Hengl quarry	[Columbite-(Mn)] Kolitsch et al. (2020)
Zwettl District Kottes-Purk Fohra ⓘ Trastallhof	[Columbite-(Fe), Columbite-(Mn)] Löffler et al. (2018)
Salzburg Zell am See District Mittersill Mittersill Scheelite deposit ⓘ Western ore field	Strasser (1989)
Neukirchen am Großvenediger Hopffeld area ⓘ Hopffeldboden	Strasser (1989)
Styria Deutschlandsberg District Deutschlandsberg Wildbachgraben ⓘ Gupper quarry	[Columbite-(Fe)] Postl et al. (1979)
Graz-Umgebung District Sankt Radegund bei Graz ⓘ Pegmatite outcrops	Aufschluss 1972 (SB)
Murtal District Pusterwald Spodumene pegmatites ⓘ Scharnitzfeld	Mali (2004)
Upper Austria Freistadt District Königswiesen ⓘ Kastendorf	Josef Schadler
ⓘ Mötlas	Exel (1993)
Neumarkt im Mühlkreis ⓘ Pegmatite occurrences	Kirchner et al. (1969)
ⓘ Zissingdorf	Exel (1993)
Pregarten ⓘ Meitschenhof	[Columbite-(Fe)] Arthofer (2005)
Unterweißenbach ⓘ Katzensilbergrube	Wallenta (1988)
Perg District Luftenberg an der Donau ⓘ Luftenberg quarries (Steininger quarry)	[Columbite-(Fe)] Meixner (1977) +1 other reference
Rohrbach District Aigen-Schlägl ⓘ Oberhaag quarry	Arthofer (2005)
Lembach im Mühlkreis ⓘ Obernort	Josef Schadler (Handschriftliche Aufzeichnungen)
St. Johann am Wimberg ⓘ Grubdorf	Th. Kerschner
ⓘ Kitzmühle	Hermann Kohl
St. Peter am Wimberg ⓘ Lüftnerberg	Th.Kerschner et al. (17 - 71)
Urfahr-Umgebung District Oberneukirchen ⓘ Königsdorf	Josef Schadler (Handschriftliche Aufzeichnungen)
Benin
Collines Department Ouèssè Commune ⓘ Toumi coltan diggings	[Columbite-(Mn)] Wolfgang Hampel
Bolivia
La Paz Larecaja Province Chacapa ⓘ Challana District
ⓘ Nevado Rosas	Federico Ahlfeld and Jorge Munoz Reyes: Las Especies Minerales de Bolivia (Banco Minero de Bolivia, 1955)
Sud Yungas Province Yanacachi District ⓘ Chojlla Mine	- (1998)
Santa Cruz Ñuflo de Chavez Province ⓘ La Bella	[Columbite-(Mn)] EDS Analysis Frank Keutsch
ⓘ La Verde Mine (Mina Verde)	[Columbite-(Fe)] Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
ⓘ Miramica Mine	[Columbite-(Mn)] RRUFF specimen
ⓘ Ñuflo de Chavez mine	[Columbite-(Fe)] Dr. Fritz Berndt analysis.
San Agustín ⓘ La Negra mine (Miramonte Mine)	[Columbite-(Fe)] Petrov (n.d.)
San Ramón ⓘ El Paraíso Mine	[Columbite-(Fe)] Josep Sanchez-laFuente (INTAN S.L.)
Bosnia and Herzegovina
Republika Srpska ⓘ Motajica mountain	Koch (1899) +7 other references
Brazil
Amazonas Presidente Figueiredo ⓘ Pitinga mine	Lenharo et al. (2003) +2 other references
ⓘ Água Boa pluton	Lemanski (n.d.)
ⓘ Madeira pluton	[Columbite-(Mn)] Hadlich et al. (2024)
Ceará Icó Icozinho ⓘ Icozinho pegmatite	[Columbite-(Fe)] Revista Brasileira de Geociências 21 (1)
Goiás Iporá ⓘ Fazenda Buriti alkaline complex	Santos et al. (2024)
Teresina de Goiás Sucuri massif ⓘ Vaca Velha claim	Bilal (2013)
ⓘ Mata Azul pegmatitic field	[Columbite-(Fe)] Queiroz (2016)
Minas Gerais ⓘ Araçuaí	Kelly Nash Collection
Conceição do Mato Dentro São José de Brejaúba ⓘ Posse mine	Guimar˜aes (1941)
Conselheiro Lafaiete ⓘ Morro da Mina mine	acd.ufrj.br (2002)
Conselheiro Pena Barra do Cuieté ⓘ Boa Vista pegmatite	Cassedanne et al. (1982)
ⓘ Urucum claim	Sauer (1982)
Ferruginha ⓘ Sapo Mine	Menezes (2009)
Coronel Murta ⓘ Barra do Salinas	Bastos (2002)
ⓘ Divinésia	[Columbite-(Fe)] Leonardo
Galiléia Laranjeiras ⓘ Ênio claim	[Columbite-(Fe)] Cassedanne et al. (1981)
Governador Valadares Golconda mining district ⓘ Faria claim	[Columbite-(Fe)] Menezes (n.d.)
ⓘ Ipê mine	[Columbite-(Fe)] Jessica Simonoff photo
ⓘ Golconda pegmatite field	[Columbite-(Fe)] Josef Vajdak (Peque Rare Minerals)
ⓘ Iron Quadrangle	Morteani et al. (2000)
Itinga ⓘ Humaita pegmatite	Cassedanne et al. (1987)
Taquaral Piauí valley ⓘ Cachoeira mine	[Columbite-(Fe)] Dias et al. (2015)
ⓘ Gonçalves mine ?	[Columbite-(Mn)] Sergio Varvello collection
ⓘ Ponte do Piauí claim	[Columbite-(Mn)] Luis Menezes
Jaguaraçu ⓘ Jaguaraçu pegmatite	[Columbite-(Fe)] Cassedanne et al. (1994)
Malacacheta ⓘ São Pedro claim	[Columbite-(Fe)] Fabre (n.d.)
Mendes Pimentel ⓘ Gentil claim	Atencio et al. (2006)
Sabinópolis ⓘ Grota da Generosa mine	[Columbite-(Fe)] Ricardo Scholz
São José da Safira ⓘ Chiá mine	Erik Vercammen collection
ⓘ Cruzeiro mine	Rizzo et al. (2025)
ⓘ Teófilo Otoni	[Columbite-(Fe)] dan weinrich +1 other reference
Virgem da Lapa ⓘ Toca da Onça pegmatite	Araújo (2018)
Pará São Félix do Xingu ⓘ Mocambo Granite	Barros Neto et al. (2020)
Paraíba Frei Martinho ⓘ Esperas pegmatite	Fernandes et al. (2022)
ⓘ Mourão pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Junco do Seridó ⓘ Noruega pegmatite	Fernandes et al. (2022)
Nova Palmeira ⓘ Corredor pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Roncadeira pegmatite	[Columbite-(Fe)] Beurlen et al. (2008) +1 other reference
ⓘ Serraria pegmatite	[Columbite-(Mn)] Beurlen et al. (2005) +1 other reference
Pedra Lavrada ⓘ Alto Feio	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Alto Patrimônio pegmatite	Fernandes et al. (2022)
ⓘ Serra Branca pegmatite	Fernandes et al. (2022)
Picuí ⓘ Caiçara pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Carrapateira pegmatite	Fernandes et al. (2022)
ⓘ Cortume pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
Salgadinho São José da Batalha ⓘ Heitorita mine	de Brito Barreto et al. (2010) +1 other reference
São José do Sabugi ⓘ Raposa pegmatite	Mineralogical Magazine
Tenório ⓘ Seridozinho pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
Vieirópolis Vieirópolis pegmatite field ⓘ Serra Branca amazonite pegmatite	[Columbite-(Mn)] e Souza et al. (2020)
Rio Grande do Norte Acari ⓘ Pitombeira pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Carnaúba dos Dantas ⓘ Maribondo pegmatite	Fernandes et al. (2022)
ⓘ Taboa pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
Currais Novos ⓘ Nb-Ta pegmatite field	Wolfgang Hampel
Equador ⓘ Alto das Furnas claim	[Columbite-(Mn)] Färber et al. (2011)
ⓘ Alto do Giz pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Alto do Jacu	[Columbite-(Mn)] Lavinsky (n.d.)
ⓘ Amâncio pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Fazenda Turmalina pegmatite	[Columbite-(Fe)] Beurlen +3 other references
ⓘ Mamões pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Mina do Santino pegmatite	Palinkas et al. (2014)
Parelhas ⓘ Alto dos Quintos Mine	[Columbite-(Mn)] Fernandes et al. (2022)
ⓘ Boqueirão pegmatite	[Columbite-(Fe), Columbite-(Mn)] Strmić Palinkaš +5 other references
ⓘ Capoeira 1 pegmatite (Boqueirãozinho pegmatite)	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Capoeira 2 pegmatite (Mulungu pegmatite)	[Columbite-(Mn)] Beurlen +3 other references
ⓘ Carnaúbinha pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Combi pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Malhada Vermelha pegmatite	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Trigero 1 pegmatite	[Columbite-(Mn)] Baumgartner et al. (2006)
Rondônia Ariquemes ⓘ Bom Futuro mine	Dias (2012)
São Paulo Cajati ⓘ Desemborque pluton	Siachoque +2 other references
Tocantins Jaú do Tocantins ⓘ Outcrop No. 17 pegmatite	Queiroz (2016)
ⓘ Peixe alkaline complex	MARTINS et al. (1981)
Bulgaria
Kardzhali Province Ardino Municipality ⓘ Svetulka	Marcus Voigt Collection
Pazardzhik Province Velingrad Municipality ⓘ Grantcharitsa tungsten deposit	[Columbite-(Fe)] Tarassov et al. (2022)
Sofia Province Samokov Municipality ⓘ Urdini Lakes	- (2002)
Burkina Faso
Cascades Region Comoé Province Mangodara Department ⓘ Unnamed pegmatites	Bonzi et al. (2023)
Burundi
Cibitoke Province ⓘ Butara	[Columbite-(Fe)] The Royal Museum for Central Africa (RMCA) +1 other reference
ⓘ N'Dora	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Ruhembe	Lehmann et al. (1992) +1 other reference
SW Cibitoke B ⓘ Ruhanga	[Columbite-(Mn)] Melcher et al. (2015)
Cambodia
Pailin Province ⓘ Pailin District	[Columbite-(Fe)] Filina et al. (2019)
Cameroon
North Region ⓘ Hossere Nyore Granite Intrusion	Lasserre (1978)
Mayo-Rey Tcholliré ⓘ Mayo Salah pluton	[Columbite-(Mn)] Fosso Tchunte et al. (2018) +1 other reference
Canada
British Columbia Golden Mining Division ⓘ Bugaboo Castles	Canadian Museum of Nature collection ...
ⓘ KIN property	[Columbite-(Fe)] Caudle +1 other reference
Kamloops Mining Division Blue River carbonatites ⓘ Fir carbonatite	[Columbite-(Fe)] Chudy T et al. (2014)
ⓘ Lempriere carbonatite	- (n.d.)
ⓘ Mill carbonatite	- (n.d.)
ⓘ Verity claim	[Columbite-(Fe)] George J. Simandl (2001)
ⓘ Specimen pit	[Columbite-(Fe)] Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
ⓘ Upper Fir carbonatite	Berger et al. (2009)
Omineca Mining Division Mansoon Lakes ⓘ Lonnie carbonatite	- (n.d.)
ⓘ Vergil carbonatite	- (n.d.)
Williston Lake ⓘ Aley Deposit (Aley Creek Carbonatite Complex)	[Columbite-(Fe)] Taseko
Revelstoke Mining Division Boulder Mountain Pegmatite Group ⓘ Prof pegmatite	[Columbite-(Mn)] Breasley et al. (2024)
Revelstoke ⓘ Mount Begbie	[Columbite-(Fe), Columbite-(Mn)] Dixon et al. (2014)
Manitoba ⓘ Bear lake	Bannatyne (1985)
ⓘ BEP Pegmatite	[Columbite-(Mn)] Černá et al. (2002)
Cross Lake North Group ⓘ Pegmatite 36	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
South Group ⓘ Pegmatite 9	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
Falcon Lake ⓘ Bendum Claim	Bannatyne (1985)
ⓘ Molly Claim	Bannatyne (1985)
Lac-du-Bonnet area Bernic Lake ⓘ Buck claim	[Columbite-(Fe)] Econ Geol (1995)
ⓘ Pegli pegmatite	[Columbite-(Fe), Columbite-(Mn)] Econ Geol (1995)
ⓘ Tanco Mine	[Columbite-(Fe), Columbite-(Mn)] 153-155. +1 other reference
Cat Lake - Winnipeg River pegmatite field Donner Lake ⓘ High Grade Dyke pegmatite (High-Grade Dike pegmatite)	Bannatyne (1985)
ⓘ Huron Claim pegmatite	[Columbite-(Fe)] Paul (1984) +1 other reference
Greer Lake ⓘ Annie Claim #3 pegmatite	[Columbite-(Mn)] Bannatyne (1985) +1 other reference
ⓘ Cleo pegmatite	Bannatyne (1985)
ⓘ GL-8 pegmatite	Bannatyne (1985)
ⓘ GL-9 pegmatite	Bannatyne (1985)
ⓘ GL12A pegmatite	Bannatyne (1985)
ⓘ Grace No. 2 claim (Beryl dike)	Bannatyne (1985)
ⓘ Greer Lake pegmatitic granite	Černý et al. (2005)
ⓘ Silver Leaf pegmatites	Phillips (1978) +2 other references
Whiteshell Park ⓘ Huron pegmatite	Phillips (1978) +1 other reference
Shatford Lake ⓘ Shatford Lake pegmatites	[Columbite-(Fe)] [AmMin 85:1324]
ⓘ Unnamed pegmatites	Bannatyne (1985)
Pointe du Bois ⓘ K1 pegmatite	Bannatyne (1985)
New Brunswick Charlotte Co. ⓘ Hayman Hill deposit	Archibald (2026)
Saint George Parish ⓘ Mount Pleasant Mine	Adex Mining
Newfoundland and Labrador Newfoundland ⓘ Hydra pegmatite	[Columbite-(Fe), Columbite-(Mn)] Malay et al. (2026)
Northwest Territories ⓘ Blachford Lake alkaline complex	[Columbite-(Fe)] Feng et al. (2015)
ⓘ Thor Lake syenite complex	[Columbite-(Fe)] Sheard et al. (2012)
Mackenzie Mountains Tungsten (Cantung) ⓘ Little Nahanni Pegmatite Group	Groat et al. (2003)
North Slave Region Blachford Lake alkaline complex Thor Lake syenite complex ⓘ Nechalacho deposit	[Columbite-(Fe)] Pinckston et al. (1995) +3 other references
ⓘ T-Zone deposit	Feng et al. (2015)
Yellowknife Pegmatite field ⓘ Blatchford Lake	Northern Mineral Showings Database
ⓘ Moose II pegmatite (ELK; Beck; DeStaffany)	[Columbite-(Fe)] Anderson et al. (2013)
ⓘ Peg Tantalum	Silke (2009)
ⓘ Redout Lake Pegmatite	[Columbite-(Fe)] Wise et al. (1990)
ⓘ Van Dyke	Northern Mineral Showings Database
Nova Scotia Lunenburg Co. New Ross ⓘ Keddy prospect (Lantz pegmatite; Keddy pegmatite)	[Columbite-(Fe)] O'Reilly et al. (1982)
ⓘ Reeves pit (Reeves tin pit)	Faribault (1908)
Pictou Co. ⓘ Georgeville	[Columbite-(Fe), Columbite-(Mn)] Hay (2000)
Yarmouth Co. Argyle East Kemptville ⓘ East Kemptville Tin-Indium Project (East Kemptville Tin Mine)	Avalon Advanced Materials Inc.
Nunavut ⓘ Chantrey Inlet pegmatite field	[Columbite-(Fe)] P.B. Tomascak et al. (1994)
Kitikmeot Region Bathurst Inlet ⓘ Torp Lake pegmatite field	P.B. Tomascak et al. (1994)
Qikiqtaaluk Region Baffin Island Foxe pegmatite field ⓘ PLEX pegmatite	[Columbite-(Fe), Columbite-(Mn)] P.B. Tomascak et al. (1994)
Ontario Cochrane District South of Ridge Lake Area ⓘ Martison carbonatite complex	SAGE (1981)
Greater Sudbury ⓘ Dill Township	Ellsworth (1926)
Hastings County Hastings Highlands Municipality Monteagle Township ⓘ Hybla pegmatite	Ercit (1994)
ⓘ Woodcox Mine	Dana 7:I: 772 +3 other references
Kenora District Brownridge Township ⓘ Mavis Lake occurrence	Ontario Ministry of Northern ...
Fort Hope ⓘ Fort Hope pegmatite field	Breaks et al. (2008)
Pakeagama Lake Area PAK Lithium Project ⓘ Pakeagama Lake pegmatite	[Columbite-(Fe), Columbite-(Mn)] Breaks
Paterson Lake Area ⓘ Marko’s pegmatite	[Columbite-(Fe), Columbite-(Mn)] ontariominerals.com +2 other references
Root Lake pegmatite group Root Lake Area ⓘ Consolidated Morrison pegmatite	[Columbite-(Mn)] Ontario Ministry of Northern ...
ⓘ McCombe pegmatites	[Columbite-(Mn)] Tindle et al. (2005)
ⓘ Separation Rapids Lithium Project (Separation Lake area)	[Columbite-(Fe), Columbite-(Mn)] Avalon Advanced Materials Inc.
Skinner Lake Area ⓘ Musselwhite Mine	[Columbite-(Fe)] Taylor et al. (2001)
Nipissing District Butt Township ⓘ Ryan Mann and Sheehan claims	[Columbite-(Fe)] Ercit (1994)
ⓘ Sheehan beryl occurrence	[Columbite-(Fe)] Ercit (1994)
Dickens Township ⓘ Davis Mine	Ercit (1994)
Parry Sound District Chapman Township ⓘ Blue Star mine	[Columbite-(Mn)] Ercit (1994)
Conger Township ⓘ Brignall Mine (McQuire and Robinson)	Ercit (1994)
ⓘ Nickel Rim Mines Property	Ontario Ministry of Northern ...
Renfrew County Brudenell-Lyndoch-and-Raglan Lyndoch Township ⓘ Quadeville area	[Columbite-(Fe)] Josef Vajdak (2008)
ⓘ Beryl Pit	[Columbite-(Fe)] Ulrike Kullik specimen (ID by EDS at ROM) +1 other reference
ⓘ Rose Quartz Pit	[Columbite-(Fe)] Pit owers (pers. comm.) +2 other references
Thunder Bay District Barbara Lake Area ⓘ Georgia Lake spodumene pegmatites	Hewitt (1967)
ⓘ Manitouwadge area	Can Mineral February 1997 v. 35 no. 1 ...
Québec Abitibi-Témiscamingue Abitibi RCM La Corne ⓘ La Corne Mine	Sabina (2003)
Témiscamingue RCM Lac Sairs ⓘ Lac Sairs Amazonite Occurrence	[Columbite-(Mn)] Sabina (2007) +1 other reference
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Columbite-(Fe), Columbite-(Mn)] HORVÁTH et al. (2000)
Nord-du-Québec Nunavik ⓘ Eldor Carbonatite Complex (Eldor carbonatite)	[Columbite-(Fe)] Laferrière (2011)
ⓘ Misery Lake alkaline complex	[Columbite-(Fe)] Petrella (2013)
ⓘ Qalluviartuuq Intrusive Complex	[Columbite-(Fe)] Pierre-Alain Wulser
Outaouais Les Collines-de-l'Outaouais RCM Val-des-Monts Saint-Pierre-de-Wakefield Lake Saint-Pierre ⓘ Leduc Mine	[Columbite-(Mn)] Hilderley et al. (2006)
Saguenay-Lac-Saint-Jean Le Fjord-du-Saguenay RCM Saint-Honoré ⓘ Saint-Honoré carbonatite complex	Kennedy et al. (1981)
ⓘ Niobec mine	Kennedy et al. (1981)
Yukon Watson Lake mining district True Blue property (Shark property) ⓘ Guano Ridge (Guano prospect)	D. Turner and L.A. Groat (2010) +1 other reference
Chad
Tibesti Region ⓘ Yedri Massif	Mining Journal Chad Supplement ...
China
Anhui Huangshan She Co. ⓘ Huangshan pluton	[Columbite-(Fe)] Duan et al. (2025)
Lu'an Jinzhai County ⓘ Shapinggou Mo deposit	[Columbite-(Fe)] Huaidong Zhang et al. (2012)
Fujian Longyan Yongding Co. ⓘ Shangxiahu Nb-Ta deposit	Liu et al. (2024)
Nanping Pucheng County ⓘ Yangdun REE deposit	Su et al. (2) +4 other references
Yanping District Nanping pegmatite field ⓘ Pegmatite No. 31	[Columbite-(Fe), Columbite-(Mn)] Can Rao et al. (2009) +2 other references
Gansu Jiuquan Aksai Co. ⓘ Yushishan Nb–Ta ore deposit	Yu et al. (2023)
Guazhou Co. ⓘ Guobaoshan Rb deposit	[Columbite-(Mn)] Chen et al. (2022)
Guangdong Guangzhou Zengcheng Co. ⓘ Paitan Mine	Kamitani et al. (2007)
ⓘ Yonghan Mine	Kamitani et al. (2007)
Huizhou Boluo Co. ⓘ Deposit No. 520	Kamitani et al. (2007)
Shaoguan Wengyuan Co. ⓘ Hongling Mine	Zhang et al. (2024)
Zhaoqing Gaoyao District ⓘ Hengshan Nb-Ta-Sn deposit	Kamitani et al. (2007)
Guangning County ⓘ Hongshan Mine	[Columbite-(Fe)] Smith et al. (2005)
Guangxi Guilin Gongcheng Co. ⓘ Limu Ta-Sn ore field	[Columbite-(Fe)] Hui Li et al. (1983)
ⓘ Jinzhuyuan Mine	Zhu et al. (2001)
ⓘ Laohutou Mine	Zhu et al. (2001)
ⓘ Shuiximiao Mine	[Columbite-(Mn)] Pengfei Zhou et al. (2009)
Lingchuan Co. Youmaling W deposit ⓘ Gaoling deposit	ZHANG et al. (2014)
Quanzhou Co. ⓘ Maoantan pegmatite field	[Columbite-(Mn)] Renke Li and Xuming Zhang (1995)
Ziyuan Co. Miaoershan-Yuechengling ore field Yuechengling batholith Mao’antang Nb-Ta deposit ⓘ Mao’antang ore block	Zhao et al. (2025)
ⓘ Mao’antang pegmatite No.160	[Columbite-(Mn)] Zhao et al. (2025)
ⓘ Mao’antang pegmatite No.701	[Columbite-(Fe), Columbite-(Mn)] Zhao et al. (2025)
ⓘ Xianglushan Rb-rich granite	Huo et al. (2026)
Nandan-Hechi Sn-W metallogenic belt ⓘ Dachang ore field	Guo et al. (2022)
Hainan Ding'an Co. Penglai ⓘ Penglai Gem deposit	[Columbite-(Fe)] Zhili Qiu et al. (2001)
Hebei Chengde Fengning County ⓘ Sandao village (Tao District)	Yu Zuxiang et al. (1974)
Xinglong County ⓘ Huashi rare metal deposit	[Columbite-(Mn)] Liu et al. (2024) +1 other reference
Zhangjiakou Kangbao County ⓘ Dongjin intrusion	Liu et al. (2023)
Heilongjiang Hegang Luobei County ⓘ Luobei pegmatite field	[Columbite-(Fe)] Deshi Lu (1993)
Qiqihaer ⓘ Unnamed rare-metal deposit	Xiaoshi Ding et al. (1981)
Henan Nanyang Neixiang County Wuduoshan batholith ⓘ Erlangchuan pluton	Chen et al. (2025)
Sanmenxia Lushi County Guanpo ⓘ Guanpo pegmatite field	Yuan et al. (2022)
ⓘ Nanyangshan pegmatite field	[Columbite-(Mn)] Qu et al. (2023)
ⓘ Nanyangshan 703 deposit	[Columbite-(Mn)] Qu et al. (2020) +1 other reference
Hubei Shiyan Zhushan Co. ⓘ Miaoya carbonatite	[Columbite-(Fe)] Li (1982) +3 other references
Xianning Tongcheng Co. ⓘ Duanfengshan Mine	[Columbite-(Mn)] Yin et al. (2026)
Hunan Chenzhou Guiyang Co. Huangshaping Pb-Zn-polymetallic ore field ⓘ Huangshaping Mine	Ding et al. (2016)
Linwu Co. ⓘ Xianghualing Sn-polymetallic ore field	Li et al. (2023)
ⓘ Jianfengling Nb-Ta-Sn deposit	[Columbite-(Mn)] Diao et al. (2022)
Yizhang Co. Dongpo ore field ⓘ Shizhuyuan Mine	Yihong Sun and Xiangmei Ren (1986)
Hengyang Leiyang Co. ⓘ Shangbao Mine	Xiangli Chen et al. (2003) +2 other references
Huaihua Yuanling Co. ⓘ Woxi Mines (Wuxi Mines; Xiangxi Mines; Xianxi Mines)	Dai et al. (2022) +1 other reference
Yongzhou Dao Co. ⓘ Weijia W deposit	Huang et al. (2022)
Yueyang Pingjiang Co. ⓘ Baishawo Be‐Nb‐Ta deposits	Fan et al. (2022)
ⓘ Gaotan pegmatite field	[Columbite-(Fe)] National Geological Archives of China ...
Renli Nb‐Ta deposit ⓘ No. 5 pegmatite vein	[Columbite-(Mn)] Jiang et al. (2023)
Inner Mongolia Alxa League (Alashan Prefecture) Alxa Right Banner (Alashan Youqi) ⓘ Taohualashan REE deposit (Taohuashan REE deposit)	Bai et al. (1985) +2 other references
Baotou City Bayan Obo mining district ⓘ Bayan Obo deposit	[Columbite-(Fe), Columbite-(Mn)] Qing-chang (1981) +3 other references
ⓘ Abandoned pit	Huang et al. (2024)
ⓘ Bayan Obo sludge lake	Shao et al. (2023)
ⓘ East Mine	[Columbite-(Fe)] Liu et al. (2022)
ⓘ Eastern contact zone	[Columbite-(Fe)] Yang et al. (2026)
ⓘ H9 litho-unit	Xie et al. (2026)
ⓘ Main pit	[Columbite-(Fe)] Xue et al. (2026)
Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) ⓘ Tailaihua Nb-Ta-Be deposit	Shi et al. (2026)
Tongliao City (Tongliao Prefecture) Jarud Banner (Zalute Co.) ⓘ Baerzhe complex	[Columbite-(Fe)] Wu et al. (2021) +1 other reference
ⓘ Intrusion No. 801	[Columbite-(Fe)] Zhongxin Yuan and Ge Bai (1997) +2 other references
ⓘ East ore body	Zhang +4 other references
ⓘ Xing'an deposit (Hinggan deposit)	Orris et al. (2002)
Xilingol League (Xilinguole Prefecture) Bordered Yellow Banner (Xianghuang Co.) ⓘ Jiabusi Ta-Nb deposit	[Columbite-(Mn)] Zhang et al. (2022)
Xilinhot City (Xilinhaote Co.) ⓘ Shihuiyao Rb-Nb-Ta-(Be-Li) deposit	Duan et al. (2022) +3 other references
Jiangsu Suzhou Huqiu District ⓘ Shananbang Ta-Nb deposit	[Columbite-(Fe)] Xiaojun Yuan et al. (2004) +1 other reference
Jiangxi Ganzhou Anyuan Co. ⓘ Shitouping Ion-Adsorption Heavy REE Deposit	Gong et al. (2023) +2 other references
Quannan Co. ⓘ Dajishan Mine (Tachishan Mine)	[Columbite-(Mn)] Zongzhen Zhang (1974) +1 other reference
Shicheng Co. ⓘ Hailuoling Nb-Ta deposit	Lin Yin et al. (1993)
Ji'an Suichuan Co. ⓘ Xigang Ta-Nb deposit	[Columbite-(Fe)] Weizheng Hu et al. (2005)
Jiujiang Xiushui Co. Dahutang ore field ⓘ Pingmiao deposit	Yang et al. (2022)
Shangrao Hengfeng Co. Lingshan complex ⓘ Huangshan Nb-Ta deposit	[Columbite-(Fe)] Zhu et al. (2026)
ⓘ Songshugang Nb-Ta-W-Sn deposit (Geyuan Nb-Ta-W-Sn deposit)	[Columbite-(Fe)] Zhu et al. (2024)
Yichun ⓘ Ganfang rare metal deposit	[Columbite-(Mn)] Zhu et al. (2025)
Yifeng Co. ⓘ Xikeng Li deposit	Xu et al. (2024)
Yuanzhou District ⓘ Wugongshan complex	[Columbite-(Fe), Columbite-(Mn)] Ma et al. (2026)
ⓘ Yichun complex (Yashan batholith)	Jiang et al. (2020) +1 other reference
ⓘ Yichun Mine (Mine No. 414)	[Columbite-(Mn)] Desong Lin (1993) +2 other references
Liaoning Anshan Qianshan District ⓘ Qidashan Fe Mine	Xiao et al. (2026)
Dandong Kuandian County ⓘ Saima U-REE deposit	Wu et al. (2023)
Fuxin ⓘ Daxiyingzi Rb–Be deposit	Ju et al. (2022)
Liaoyang Gongchangling District Gongchangling Fe deposit ⓘ Gongchangling No. 1 Mine	[Columbite-(Fe), Columbite-(Mn)] Liu et al. (2025)
Qinghai Hainan Gonghe Co. ⓘ Duolongge rare metal granitic pegmatite prospect	[Columbite-(Mn)] Chen et al. (2026)
Haixi Mongol and Tibetan Autonomous Prefecture Dulan County ⓘ Dagelegouxi carbonatite-hosted REE-Nb deposit	Hui et al. (2025) +1 other reference
Tianjun County ⓘ Chakabeishan rare-element pegmatites	[Columbite-(Mn)] Sun et al. (2023) +1 other reference
Wulan Co. (Ulan Co.) ⓘ Shaliuquan Nb-Ta deposit	[Columbite-(Fe), Columbite-(Mn)] Feng et al. (2024)
Shaanxi Ankang Langao County ⓘ Jinzhugang Nb occurrence	Wu et al. (2024)
Ningshan County Ningshan pegmatite district ⓘ Xinjian	Nie +4 other references
Ziyang County ⓘ Haoping Nb–REE-mineralized trachyte	Shi et al. (2026)
Weinan Huayin City ⓘ Huanglongpu Mo-(Pb) deposit	DUAN et al. (2024)
ⓘ Huayangchuan U-Nb-Pb deposit	Kamitani et al. (2007)
Huazhou District ⓘ Huangjiagou NYF pegmatites	[Columbite-(Mn)] Zhang et al. (2022)
Shandong Jining Weishan County ⓘ Weishan Mine (Chisan Mine; Chishan alkaline complex; Xishan Mine; Deposit No. 101)	Orris et al. (2002)
Weifang Changle County Wutu ⓘ Sapphire deposit	Zhili Qiu et al. (2001)
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Jiulong County ⓘ Baitai Be deposit	Hu et al. (2025)
ⓘ Luomo Be deposit	Hu et al. (2025)
Yajiang County Kangding pegmatite field ⓘ Jiajika Mine	[Columbite-(Fe)] Chenghua Zhang and Guodong Ji (1983)
ⓘ No. 9 Pegmatite	Zhao et al. (2023)
ⓘ Murong pegmatite-type Li deposit	Zhang et al. (2026)
ⓘ Rongxuka Li deposit	[Columbite-(Mn)] Xuemin et al. (2026)
Guangyuan Wangcang County ⓘ Lijiahe	Bai et al. (1985)
Liangshan Yi Huili County ⓘ Baicao Nb-Ta deposit	[Columbite-(Fe)] Xue et al. (2021)
ⓘ Xiaoheiqing Nb-Ta deposit	[Columbite-(Fe)] Xue et al. (2021)
Mianning County ⓘ Maoniuping Mine	Orris et al. (2002)
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Jinchuan Co. ⓘ Ke'eryin pegmatite field	Li +4 other references
ⓘ Dangba deposit	Zhao et al. (2026)
ⓘ Jiada deposit	Li et al. (2022)
ⓘ Lijiagou deposit	Chen et al. (2024)
ⓘ Sizemuzu deposit	Yue et al. (2018)
Panzhihua Yanbian County ⓘ Luku Complex	[Columbite-(Mn)] Lin et al. (1995)
Tibet Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture) Lhozhag Co. (Luozha Co.) ⓘ Lalong Dome	Fu et al. (2023)
Lhünzê Co. (Longzi Co.) Cuonadong dome ⓘ Cuonadong Sn-W-Be deposit	He et al. (2022)
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture) Gyirong County ⓘ Zhaguopu Li-Be-Nb-Ta deposit	Chen et al. (2026)
Tingri Co. (Dingri Co.) ⓘ Hermit's Gorge	[Columbite-(Mn)] Rucheng Wang et al. (2018)
ⓘ Qongjiagang Mountain	Li et al. (2025)
Xinjiang Akesu Prefecture Baicheng Co. ⓘ Boziguoer intrusion	[Columbite-(Fe)] Yin et al. (2015)
ⓘ Yilanlike pegmatite	He et al. (2025)
Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) ⓘ Huanglongling Li Deposit	Zhang et al. (2025)
ⓘ Shaliangxi granitic pegmatite Li deposit	Qin et al. (2025)
Tashidaban Li district ⓘ Kumusayi Li deposit	Ma et al. (2025)
ⓘ Tashidaban granitic pegmatite Li deposit	Ma et al. (2025)
Hami Prefecture (Kumul Prefecture; Qumul Prefecture) Yizhou District ⓘ Juyuan W deposit	YIN et al. (2021)
ⓘ Yamansu quartz deposit	Feng et al. (2026)
ⓘ Zhangbaoshan Rb deposit	Zhi et al. (2021)
Hotan Prefecture Hetian Co. (Khotan Co.; Hotan Co.; Hoten Co.) ⓘ Dahongliutan pegmatite field	Feng et al. (2019) +1 other reference
Aktas pegmatite ⓘ No. 90 pegmatite	[Columbite-(Fe), Columbite-(Mn)] Feng et al. (2019)
ⓘ Bailongshan pegmatite	Zhang et al. (2021) +2 other references
ⓘ Dahongliutandong Li deposit	Yang et al. (2026)
Ili Kazakh Autonomous Prefecture Altay Prefecture (Aletai Prefecture) Aletai Co. (Altay Co.) ⓘ Dakalasu Mine (Dahalasu Mine)	[Columbite-(Fe)] Denghong Wang et al. (2003)
ⓘ Dakalasu No.1 pegmatite deposit	Suo et al. (2022) +1 other reference
ⓘ Shangkelan pegmatite field	Shen et al. (2025)
Bu'erjin Co. (Burqin Co.; Burchin Co.) ⓘ Yelaman Mine	[Columbite-(Fe)] Denghong Wang et al. (2001)
Fuhai Co. (Burultokay Co.) ⓘ Husite pegmatite	Zhou et al. (2022)
ⓘ Kalu’an-Azubai Pegmatite Field	Feng et al. (2019)
Fuyun Co. (Koktokay Co.) Ayoubulake pegmatite field ⓘ Altay pegmatite no. 202	Rubo Zhang and Fengming Han (1983)
Koktokay pegmatite field (Keketuohai pegmatite field) Altay Mine ⓘ Koktokay No. 3 pegmatite (Altay No. 3 pegmatite)	[Columbite-(Mn)] Zhang et al. (2004) +2 other references
ⓘ Koktokay No. 1 pegmatite	[Columbite-(Mn)] Wang R et al. (2014) +1 other reference
ⓘ Koktokay No. 2 pegmatite	[Columbite-(Mn)] Cao et al. (2022)
ⓘ Tiemulete pegmatite field	Wang et al. (2023)
Qinghe Co. (Qinggil Co.; Chinggil Co.) ⓘ Amulagong pegmatite field	Wang et al. (2023)
ⓘ Asika'erte Mine	[Columbite-(Mn)] Wang et al. (2024)
ⓘ Askartor Be-Mo deposit	Yong et al. (2021)
ⓘ Askator Be-Mo deposit	Wu et al. (2022)
Dakalasu-Kekexier pegmatite field ⓘ Dakalsu pegmatite	Zhou +1 other reference
Kelumute-Jideke pegmatite field ⓘ Qunkuer pegmatite	Zhou et al. (2022)
Qinghe pegmatite field ⓘ Baicheng pegmatite	Zhou et al. (2022)
Xiaokalasu-Qiebielin pegmatite field ⓘ Weizigou pegmatite	Zhou et al. (2022)
Tacheng Prefecture (Tarbaghatay Prefecture) Tuoli Co. (Toli Co.) ⓘ Baiyanghe U-Be deposit	[Columbite-(Mn)] Zhang et al. (2020)
Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture) Atushi Co. (Artux Co.; Atux Co.; Atush Co.) Halajun Township ⓘ Bashisuhong alkaline complex	Liu et al. (2026)
Yunnan Baoshan Longling County ⓘ Huangliangou Be-Nb-Ta pegmatite deposit	[Columbite-(Fe)] Gao et al. (2026)
Tengchong County Caoziwa Pb–Zn deposit ⓘ Dadoushan ore zone	Ouyang et al. (2024)
ⓘ Xiangchunyuan ore zone	Ouyang et al. (2024)
Chuxiong Wuding County ⓘ Yinachang Fe-Cu-REE deposit	Ligang et al. (2018)
Gaoligong High-Grade metamorphic belt Rare metal-bearing pegmatites ⓘ Albite pegmatite	Deng et al. (2024)
ⓘ Perthite–Albite pegmatite	Deng et al. (2024)
Colombia
Antioquia Department ⓘ Rio Chico Placer District	[Columbite-(Fe)] Overstreet (1967)
Czech Republic
Central Bohemian Region Kutná Hora District ⓘ Vlastějovice	[Columbite-(Mn)] Ackerman (2005)
Moldanubian Zone pegmatites Holý vrch deposit ⓘ Elbaite pegmatite	[Columbite-(Mn)] Novák et al. (2013) +1 other reference
Vlkaneč ⓘ Přibyslavice	[Columbite-(Fe)] Povondra et al. (eds.) +1 other reference
Karlovy Vary Region Cheb District Aš ⓘ Vernéřov	[Columbite-(Fe)] Breiter K.
Lázně Kynžvart ⓘ Bílý Kámen pegmatite quarry	[Columbite-(Mn)] Černý et al. (Weisser Stein)
Karlovy Vary District Ostrov ⓘ Vykmanov	[Columbite-(Fe)] Štemprok et al. (2005)
Potůčky Potůčky Deposit ⓘ Podlesí stock	[Columbite-(Fe)] Breiter et al. (2007)
Sokolov District ⓘ Krásno	[Columbite-(Fe), Columbite-(Mn)] René et al. (2011)
Liberec Region Jablonec nad Nisou District Kořenov Jizerka ⓘ Jizerská louka	[Columbite-(Fe)] geological prospecting
Olomouc Region Jeseník District Zlaté Hory Ondřejovice ⓘ Salisov pegmatite	Čech et al. (1979)
Šumperk District ⓘ Branná	Łodziński et al. (2011)
ⓘ Dämmbaude	[Columbite-(Fe), Columbite-(Mn)] Novák (2003)
Petrov nad Desnou ⓘ Oplustilberg	Kruťa et al. (1968)
Sobotín ⓘ Bienergraben	[Columbite-(Mn)] Štosová
Šumperk ⓘ Ostředek (Mittelberg)	Procházka (1969)
ⓘ Velké Losiny	Kruťa et al. (1968)
Maršíkov (Marchendorf) ⓘ D6e pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ddolníček Z et al. (2020)
ⓘ Lysá hora (Kahlhübel)	[Columbite-(Fe), Columbite-(Mn)] Chládek Š. (2016)
ⓘ Rasovna (Schinderhübl)	[Columbite-(Fe), Columbite-(Mn)] Novák
ⓘ Střelecký důl (Scheibengraben)	[Columbite-(Fe), Columbite-(Mn)] Novák
ⓘ Unnamed pegmatite occurrence	Kruťa et al. (1968)
Plzeň Region Domažlice District Otov ⓘ Otov I pegmatite	Masau +2 other references
South Bohemian Region České Budějovice District Horní Stropnice ⓘ Šejby	[Columbite-(Fe)] Pavlíček V. et al.: Pegmatit ...
ⓘ Nové Hrady	Collection of J. Čermák
ⓘ Rudolfov (Rudolfstadt)	[Columbite-(Mn)] Welser +5 other references
Český Krumlov District Nová Ves ⓘ Nová Ves pegmatite	[Columbite-(Fe), Columbite-(Mn)] Welser
Jindřichův Hradec District ⓘ Kostelní Vydří (Kirchwiedern)	[Columbite-(Fe)] Novák (1994)
Stráž nad Nežárkou ⓘ Homolka Hill	[Columbite-(Fe)] Breiter et al. (1995)
Písek District Kovářov Vepice ⓘ Vepice quarry	Sejkora et al. (2020)
ⓘ Nový rybník quarry
ⓘ U obrázku quarry (Obrázek I quarry)	Černý et al. (2007)
South Moravian Region Znojmo District Ctidružice ⓘ Ctidružice deposit	Scarlett Urbanová (2021)
ⓘ Vratěnín	Němec (jihozápadní Morava)
Ústí nad Labem Region Teplice District Dubí ⓘ Cínovec	Krátký et al. (2026)
ⓘ Borehole CS-1	Breiter et al. (2024)
ⓘ Krupka ?	Sejkora (1998)
Vysočina Region Havlíčkův Brod District Pohled ⓘ Granite quarry	[Columbite-(Fe), Columbite-(Mn)] Dolníček et al. (2024)
Vlkanov ⓘ Žebrákovský stream	Rychlý
Jihlava District Jihlava ⓘ Pekelský vrch	[Columbite-(Fe)] Pauliš et al. (2022)
Puklice ⓘ Puklice pegmatites	[Columbite-(Mn)] Novák et al. (1996)
Sedlatice ⓘ Sedlatice granitic pegmatite	[Columbite-(Mn)] Houzar (1995)
Velký Beranov Jeclov ⓘ Jeclov granitic pegmatite	Staněk
Třebíč District Kožichovice ⓘ Kožichovice II pegmatite	[Columbite-(Mn)] Výravský et al. (2017)
ⓘ Radkovice u Hrotovic	Scarlett Urbanová (2021)
Radonín ⓘ Radonín pegmatite	Nemec (1982)
Stařeč ⓘ Kracovice	[Columbite-(Mn)] Škoda et al. (2012) +1 other reference
Žďár nad Sázavou District Bory ⓘ Dolní Bory	[Columbite-(Fe)] Novák +2 other references
ⓘ Pegmatite vein No. 21	[Columbite-(Mn)] Němec D.: Ein Pegmatit mit Li-Mineralisierung von Dolní Bory in Westmahren (ČSSR)
ⓘ Pegmatite vein No. 3	[Columbite-(Fe)] Novák +1 other reference
ⓘ Pegmatite vein No. 4	Staněk (1997)
Horní Bory Cyrilov (Cyrillhof) ⓘ Cyrilov phosphate pegmatite (Cyrillhof)	[Columbite-(Fe)] new data on the type material. Journal of GEOsciences: 45 (1-2) +1 other reference
ⓘ Dobrá Voda	[Columbite-(Mn)] Novák et al. (1999)
ⓘ Dolní Rožínka	[Columbite-(Mn)] Novotný et al. (2019)
ⓘ Dolní Rožínk pegmatite	Skřápková et al. (2026)
ⓘ Hamry nad Sázavou	CEMPÍREK
ⓘ Pikárec	[Columbite-(Mn)] Flégr et al. (2017)
ⓘ Řečice	[Columbite-(Mn)] Novák et al. (1999)
ⓘ Řečice pegmatite	[Columbite-(Mn)] Flégr et al. (2017)
Rožná ⓘ Rožná pegmatite (Rozna; Roschna)	[Columbite-(Fe), Columbite-(Mn)] Novák +3 other references
ⓘ Rožná Borovina	[Columbite-(Fe), Columbite-(Mn)] P. Pauliš (2001)
ⓘ Rožná Hradisko	[Columbite-(Fe), Columbite-(Mn)] P. Pauliš (2001)
ⓘ Tři Studně	Kruťa
Věžná ⓘ Věžná I pegmatite	[Columbite-(Fe)] Cerny et al. (2000)
ⓘ Věžná II pegmatite	Černý (1963) +2 other references
DR Congo
Ituri Mambasa Territory ⓘ Mambasa	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Liha river	[Columbite-(Fe)] T. Graupner et al. (2010)
Maniema ⓘ Punia Territory	[Columbite-(Fe)] Kristiansen (2001)
North Kivu Beni Territory Bashu ⓘ Bingo carbonatite	Berger et al. (2009)
Rutshuru Territory Bwito ⓘ Lueshe Mine	[Columbite-(Fe), Columbite-(Mn)] Wall et al. (1996)
South Kivu ⓘ Mwenga Territory	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Kobokobo pegmatite	Safiannikoff et al. (1967) +2 other references
Shabunda Territory ⓘ Lulingu	Villeneuve et al. (2022)
Tanganyika ⓘ Manono-Kitotolo mine	www.mineralmundi.com (n.d.) +1 other reference
Egypt
Aswan Governorate ⓘ El-Sibai shear zone	[Columbite-(Fe)] Mohamed (2013)
ⓘ Eastern Desert	MinMag 63:821-836
New Valley Governorate ⓘ Nusab El Balgum	[Columbite-(Fe)] Mahmoud et al. (2018)
Red Sea Governorate ⓘ Abu Dabbab Massif	[Columbite-(Mn)] Alekseev et al. (2023)
ⓘ Abu Dabbab Ta-Sn deposit	[Columbite-(Fe), Columbite-(Mn)] Fengjun Nie et al. (2013)
Abu Ramad ⓘ Gabal El Sela	El Aref et al. (2020)
ⓘ El-Baroud granitic intrusion	Sami et al. (2025)
ⓘ El Bakriyah Ring Complex	[Columbite-(Mn)] Abd El-Fatah et al. (2023)
ⓘ Gabal El-Bakriya Pegmatites	Fathy et al. (2025)
ⓘ Gabal El-Ineigi	[Columbite-(Fe)] Sami et al. (2017) +1 other reference
ⓘ Gabal Qash Amir muscovite granite	Emad et al. (2022)
ⓘ Gebel Ras Baroud	[Columbite-(Fe), Columbite-(Mn)] Raslan et al. (2010)
ⓘ Homret El Gergab	Ghoneim et al. (2024)
ⓘ Homrit Akarem intrusion	[Columbite-(Fe)] Azer et al. (2025)
ⓘ Kadabora-Abu Dob alkali-feldspar granite	Abdalla (2006)
ⓘ Khour Abalea	Abd El Rahman et al. (2022)
ⓘ Nikeiba	[Columbite-(Fe)] Abdel Gawad et al. (2025)
ⓘ Nuweibi Complex	[Columbite-(Mn)] Helba et al. (1997) +1 other reference
ⓘ Sul Hamed	Abed et al. (2022)
ⓘ Um Ara area	Abd El-Naby (2009) +1 other reference
ⓘ Um Naggat	Gaafar et al. (2022) +1 other reference
ⓘ Um Safi	[Columbite-(Fe)] Mahdy et al. (2025)
ⓘ Um Samra-Um Bakra shear zone	Ismail (2017)
ⓘ Um Solimate	[Columbite-(Fe)] Ali et al. (2021)
Wadi Abu Rasheid ⓘ Bore Hole #5	Shalan (2021)
ⓘ Emerald mines	[Columbite-(Fe)] Raslan et al. (2011)
ⓘ Leucogranite	[Columbite-(Fe)] Elsagheer et al. (2026)
ⓘ Wadi Belih	Mouhareb (2017)
ⓘ Wadi El-Tuleia	[Columbite-(Fe)] Shahin et al. (2025)
Wadi Nugrus ⓘ Emerald mines	von Knorring et al. (1981) +1 other reference
Wadi Sikait ⓘ Emerald mines (Sikait emerald deposit)	Ali et al. (2020) +2 other references
Equatorial Guinea
Rio Muni Wele-Nzas Province ⓘ Aconibe Prospect	Global Investment and Business Center
ⓘ Bibabijop river	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Eswatini
Lubombo Region Sinceni Mountain Sinceni pegmatite field ⓘ Sinceni West area	Trumbull (1995)
ⓘ Zishineni	[Columbite-(Mn)] Grew et al. (2018)
Ethiopia
Oromia Region Kenticha pegmatite field ⓘ Dermidama dyke	Küster (2009)
ⓘ Kenticha mine	[Columbite-(Fe), Columbite-(Mn)] Küster et al. (2009)
ⓘ Kilkele I dyke	Küster (2009)
Southern Nations Nationalities and Peoples' Region ⓘ Konso	[Columbite-(Fe)] Kaiser (2006)
Europe
ⓘ Albera Massif	Keller et al. (1997)
Ore Mountains ⓘ Zinnwald-Cínovec mining region	[Columbite-(Fe)] Jahn (2002)
Finland
Central Ostrobothnia ⓘ Kaustinen	[Columbite-(Fe)] Huber et al. (2023)
ⓘ Leviäkangas	Lynch et al. (2025)
ⓘ Matoneva	Lynch et al. (2025)
ⓘ Outovesi	Lynch et al. (2025)
ⓘ Päiväneva	Lynch et al. (2025)
ⓘ Rapasaaret	Lynch et al. (2025)
ⓘ Syväjärv	Lynch et al. (2025)
ⓘ Tuoreetsaaret	Lynch et al. (2025)
Kokkola ⓘ Länttä	Lynch et al. (2025)
Kainuu Kajaani ⓘ Honkamäki	[Columbite-(Fe)] Marmo et al. (1966)
ⓘ Katajakangas deposit	Al-Ani et al. (2018)
ⓘ Otanmäki granite	Marmo et al. (1966)
ⓘ Otanmäki Mine	Thair Al-Ani! and Olli Sarapää (2013)
Kanta-Häme Forssa ⓘ Häiviäntien pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola collection
ⓘ Kiimassuo pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola data
Tammela ⓘ Heponiitynmäki	Nordenskiöld (1863)
ⓘ Hirvikallio	[Columbite-(Fe)] Pavel M. Kartashov analytical data of ...
ⓘ Kietyönmäki	[Columbite-(Fe)] Alviola (1993) +1 other reference
ⓘ Laurinmäki	Nordenskiöld (1863)
ⓘ Sukula Pegmatites	Wilke (1976)
Kulmala ⓘ Quartz prospect	Nordenskiöld (1863)
Kymenlaakso Iitti ⓘ Sääksjärvi	Lukkari (2002.Petrography and geochemistry of the topaz-bearing gran- ite stocks in Artjärvi and Sääskjärvi,western margin of the Wiborg rapakivi granite batholith. Bulletin of the Geological Society of Finland 74, Parts 1–2, 115–132.)
ⓘ Sääskjärvi intrusive	Lukkari (2007)
Kotka ⓘ Murskelouhos pegmatite	[Columbite-(Fe)] Ilkka Mikkola collection +1 other reference
ⓘ Topaz quarry	[Columbite-(Fe), Columbite-(Mn)] Lahti Seppo I. 2011. Kotkan ...
Pyhtää ⓘ Skitunäs	Nygård (1999)
Virolahti ⓘ Lypsyniemi	[Columbite-(Fe)] Jyrki Autio Collection. EDS
Lapland Enontekiö ⓘ Miessijoki River	Kojonen et al. (2007) +1 other reference
ⓘ Rapeli-Kangas claim	[Columbite-(Fe)] Tuisku (2010)
ⓘ Palovaara	Al-Ani et al. (2011)
Sodankylä ⓘ Mäkärä	Thair Al-Ani! and Olli Sarapää (2013)
North Karelia Tohmajärvi ⓘ Oriselkä pegmatite	[Columbite-(Mn)] Teertstra et al. (1993)
North Ostrobothnia Kuusamo ⓘ Uuniniemi	[Columbite-(Fe)] Thair Al-Ani! and Olli Sarapää (2013) +2 other references
Pudasjärvi ⓘ Kortejärvi Carbonatite	Al-Ani et al. (2011) +2 other references
Pyhäntä ⓘ Lamujärvi area	[Columbite-(Fe)] Al Ani Thair and Torppa Akseli 2011. ...
North Savo Siilinjärvi ⓘ Siilinjärvi Carbonatite Intrusion	Puustinnen +14 other references
Ostrobothnia ⓘ Dragbacken	Lynch et al. (2025)
Pirkanmaa Orivesi Eräjärvi area ⓘ Eräpyhä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Hannula pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Juurakko pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Keskimetsä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Niemelä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Seppälänranta pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Viitaniemi pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
Satakunta ⓘ Eurajoki	[Columbite-(Fe)] Haapala Ilmari 1977 Petrography and ...
ⓘ Rapakivi granite occurrence	[Columbite-(Fe)] Al-Ani
South Karelia Luumäki Kännätsalo ⓘ Karelia Beryl Mine pegmatite	[Columbite-(Fe)] Lahti et al. (2009)
South Ostrobothnia Alavus ⓘ Hunnakko	Haapala (1966)
Kuortane ⓘ Kaatiala pegmatite	[Columbite-(Fe)] Nieminen (1978) +1 other reference
ⓘ Seinäjoki
ⓘ Hallilanvuori pegmatite	Fredrikson (1985)
ⓘ Pajuluoma	Alviola
Peräseinäjoki ⓘ Haapaluoma pegmatite	[Columbite-(Fe), Columbite-(Mn)] Hytönen (1999)
ⓘ Puolivälinkalliot pegmatite	Lynch et al. (2025)
ⓘ Routakallio Quarry (Satamo Quarry)	[Columbite-(Fe)] Ilkka Mikkola collection
ⓘ Tarikko	Alviola (1987)
ⓘ Tarinkorpi	Lynch et al. (2025)
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite	Laitakari (1967)
Pargas Iniö ⓘ Fjälskär (Fjalskar)	Lahti et al. (1988)
Salo Suomusjärvi ⓘ Salittu	[Columbite-(Fe)] Niskanen (2014)
Somero ⓘ Luolamäki	Wilke (1976)
ⓘ Penikoja (Kaitasuo)	Wilke (1976)
ⓘ Rajamäki	Wilke (1976)
Uusimaa Mäntsälä ⓘ Kapuli	[Columbite-(Fe)] Semiquantitative analysis by Reijo Alviola in 2011 (Jyrki Autio samples)
Myrskylä ⓘ Kankkila pegmatite	[Columbite-(Fe)] Ilkka Mikkola collection
Finland/Russia
Wyborg batholith ⓘ Kymi intrusion	Haapala et al. (2005)
ⓘ W-Sn-Be occurrence	Lukkari (2007)
France
Auvergne-Rhône-Alpes Allier Vichy ⓘ Échassières	Wang (1991)
ⓘ Beauvoir quarry	[Columbite-(Fe), Columbite-(Mn)] G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) +1 other reference
Saint-Clément ⓘ Malatray	[Columbite-(Fe)] P.G. Pélisson (pelisson@inist.fr)
Bourgogne-Franche-Comté Saône-et-Loire Autun ⓘ Arroux stream alluvial deposits	[Columbite-(Mn)]
Charolles Gilly-sur-Loire ⓘ Chavence quarry	Mourey Y. (1985)
Brittany Finistère Quimper ⓘ Tréguennec	Chauris et al. (1985)
Nouvelle-Aquitaine Creuse Aubusson Soumans Montebras ⓘ Montebras Mines	[Columbite-(Mn)] Marcoux et al. (2021)
Guéret Crozant ⓘ Crozant quarry	[Columbite-(Fe)] M. Arliguie collection
Sainte-Feyre ⓘ Etang de la Gasne alluvial deposits	Galy J. (2005)
Haute-Vienne Bellac Bessines-sur-Gartempe ⓘ Avent quarry	perso.wanadoo.fr (2004)
Compreignac ⓘ Chabanne quarry	[Columbite-(Mn)] Dr. Eugene Foord
Razès ⓘ Chanteloube	[Columbite-(Fe)] Bariand et al. (n.d.) +1 other reference
Vilatte Quarries (La Vilate) ⓘ Vilatte-Basse Quarry (Les Eaux Vertes Quarry)	Boisson (1988)
ⓘ Vilatte-Haute Quarry (Alluaud Quarry)	Boisson (1988)
Limoges Ambazac ⓘ Chedeville quarry	[Columbite-(Fe), Columbite-(Mn)]
ⓘ Le Vieux	perso.wanadoo.fr (2005)
Saint-Léonard-de-Noblat ⓘ Puy-les-Vignes	[Columbite-(Fe)] Harlaux et al. (2015, August)
Pyrénées-Atlantiques Oloron-Sainte-Marie Aramits Ance ⓘ Col d'Etche	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
ⓘ Col d'Urdach	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
Occitanie Ariège Foix Le Bosc Cirque de Pénitence ⓘ Penitence 1	Inventaire mineralogique de l'Ariege (Editions BRGM 1984)
Hautes-Pyrénées Bagnères-de-Bigorre Avezac-Prat-Lahitte ⓘ Espéchère	[Columbite-(Fe), Columbite-(Mn)] MONCHOUX P. et al. (2006)
Pyrénées-Orientales Céret Argelès-sur-Mer ⓘ Pegmatite field	Berbain et al. (2012)
Collioure ⓘ Pegmatite field	Berbain et al. (2012)
Pays de la Loire Vendée La Roche-sur-Yon ⓘ Les Épesses	[Columbite-(Fe)] Devismes (1978)
Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Vogtsburg im Kaiserstuhl Schelingen ⓘ Ohrberg - Badberg area	[Columbite-(Fe)]
Waldshut Waldshut-Tiengen Detzeln ⓘ Porphyry quarry	[Columbite-(Fe)] Hanneberg et al. (2009) +1 other reference
Bavaria Lower Bavaria Freyung-Grafenau District Waldkirchen Oberfrauenwald ⓘ Eitzing Quarry	[Columbite-(Fe), Columbite-(Mn)] Habel (1998) +1 other reference
Regen District Arnbruck ⓘ Drexler Mine (Draxler Mine; Drachselsried Mine)	Weiß (1990)
Lindberg Pauliberg ⓘ Granite quarry	www.mineralienatlas.de (n.d.)
Rinchnach Grub ⓘ Grub Quarries	[Columbite-(Fe)] King (n.d.)
Zwiesel ⓘ Birkhöhe Quarry (Birkenhöhe Quarry)	Weiß (1990)
Rabenstein ⓘ Hühnerkobel Mine (Hennenkobel Mine)	[Columbite-(Fe)] Habel (2006)
ⓘ Savings bank construction site	Weiß (1990)
Upper Franconia Wunsiedel im Fichtelgebirge Kirchenlamitz ⓘ Epprechtstein	Weiß (1990)
Weißenstadt Rudolfstein ⓘ Schoberth quarry	Weiß (1990)
Upper Palatinate Cham District Waldmünchen Althütte ⓘ Pegmatite outcrop	Weiß (1990)
Neustadt an der Waldnaab District Kirchendemenreuth Menzlhof ⓘ Gertrud Mine	Weiß (1990)
Püllersreuth ⓘ Maier feldspar mine	Weiß (1990) +1 other reference
Pleystein ⓘ Kreuzberg (Rose quartz cliff)	[Columbite-(Fe)] Dill et al. (2009)
ⓘ Miesbrunn pegmatite–aplite swarm	[Columbite-(Fe)] Dill et al. (2012)
ⓘ Trutzhofmühle aplite	[Columbite-(Fe)] Dill et al. (2008) +1 other reference
Waidhaus ⓘ Hagendorf	[Columbite-(Fe)] Dill (2009) +1 other reference
ⓘ Hagendorf North Pegmatite	[Columbite-(Fe)] Dill et al. (2013)
ⓘ Hagendorf South Pegmatite	[Columbite-(Fe)] Keck (1989)
ⓘ 67 m level
Reinhardsrieth ⓘ Reinhardsrieth aplite	[Columbite-(Fe)] Dill et al. (2015)
ⓘ Silbergrube	[Columbite-(Fe)] Dill et al. (2008)
Tirschenreuth District Erbendorf Grötschenreuth ⓘ Pegmatite outcrop near Hopfau	https://www.mineralienatlas.de/?l=286
Plößberg ⓘ Plößberg-Wildenau pegmatite	Weiß (1990)
ⓘ Lindner Mine	DILL et al. (2009)
Tirschenreuth ⓘ Sägmühle (Rotes Kreuz)	[Columbite-(Fe)] Müller (1852)
Hesse Darmstadt Bergstraße Abtsteinach Mackenheim ⓘ Amphibolite quarry	[Columbite-(Fe)] SEM-EDS by Joy Desor and Gerhard Möhn
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	[Columbite-(Mn)] Blaß et al. (1992)
ⓘ Thelenberg	[Columbite-(Mn)] Blaß et al. (1992)
Wingertsberg ⓘ Pumice quarries	[Columbite-(Mn)] Blaß et al. (1992)
Pellenz Kruft ⓘ Krufter Ofen	[Columbite-(Mn)] Blaß et al. (1992)
Vordereifel Ettringen ⓘ Caspar quarry	[Columbite-(Fe)] Blaß et al. (2004)
Vulkaneifel Kelberg Drees ⓘ Niveligsberg ?	[Columbite-(Mn)] Ko Jansen
Saxony Bautzen District Hochkirch Wuischke ⓘ Steinberg	[Columbite-(Fe)] Witzke et al. (2008)
Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine	[Columbite-(Fe)] M. Trinkler et al. (1997)
Geyer ⓘ Geyersberg Granite Stock	[Columbite-(Fe)] René (2019)
Görlitz District Königshain ⓘ Rubel Quarry	[Columbite-(Fe)]
Schöpstal Liebstein ⓘ Liebsteiner mountain (Limasberg)	[Columbite-(Mn)] Witzke et al. (2001)
Thiemendorf ⓘ A4 Highway tunnel	[Columbite-(Fe)] Aufschluss 49 (1998)
ⓘ Schoorstein Quarry	[Columbite-(Fe)] Witzke et al. (2001)
Vierkirchen Döbschütz Arnsdorf-Melaune Quarry ⓘ Krobnitz Quarry	[Columbite-(Mn)] Witzke et al. (2001)
ⓘ Neuland Quarry	[Columbite-(Fe), Columbite-(Mn)] Witzke et al. (2001)
Mittelsachsen Claußnitz Diethensdorf ⓘ Diethensdorf Quarry	[Columbite-(Fe)] AmMin 88:986-995
Nordsachsen Mühlberg ⓘ Kieswerk Liebersee quarry	Junge et al. (2023)
Sächsische Schweiz-Osterzgebirge Altenberg ⓘ Tin mine	Jahn (1999) +1 other reference
Thuringia Hildburghausen District Heldburg ⓘ Heldburger Gangschar Volcanic Province	Lippolt (1982) +3 other references
ⓘ Heldburg Phonolite Plug	Lippolt (1982) +3 other references
Ghana
Central Region Effutu Municipal District ⓘ Winneba	von Knorring et al. (1981)
Greenland
Kujalleq Igaliku Complex Motzfeldt Centre ⓘ MSC Altered Syenite	Rooks et al. (2026)
Northeast Greenland National Park ⓘ Kap Simpson Complex	- (n.d.) +1 other reference
Sermersooq Arsuk Fjord ⓘ Ivigtut stock	Breiter et al. (2024)
ⓘ Ivigtut Mine	[Columbite-(Fe)] Blomstrand (1866)
ⓘ Ikka-Grønnedal Complex (Ika-Grønnedal)	Aðalsteinsdóttir et al. (2025)
Hungary
Borsod-Abaúj-Zemplén County Miskolc District ⓘ Bükkszentkereszt	Zajzon N et al. (20014)
ⓘ Bagoly Hill	[Columbite-(Fe)] collector: Péter Gál
Miskolc ⓘ Lillafüred	[Columbite-(Fe)] Balassa et al. (2026)
India
ⓘ Bihar Mica Belt	Sarkar (1996)
Chhattisgarh Dantewada District ⓘ Kawadgaon-Challanpara pegmatite field	[Columbite-(Fe)] Singh et al. (2017)
Jharkhand Hazaribagh District Hazaribagh ⓘ Rola	Rao (1972)
Karnataka Mandya District ⓘ Marlagalla-Allapatna	[Columbite-(Fe), Columbite-(Mn)] Sarbajna et al. (2000)
Odisha Jharsuguda District ⓘ Bhurpidungri	[Columbite-(Mn)] Jagadeesan et al. (2005)
Rajasthan Udaipur Division Udaipur District ⓘ Newania carbonatite-fenite complex	[Columbite-(Fe)] Singh et al. (2023)
Tamil Nadu Tiruppur District ⓘ Sivamalai intrusion	Bose (1971) +4 other references
Uttar Pradesh Mirzapur Division Sonbhadra District ⓘ Jaurahi pegmatite	URAM 2014 IAEA p52 +1 other reference
Indian Plate
ⓘ Bastar Craton	Singh et al. (1991)
Iran
Razavi Khorasan Province ⓘ Mashhad County	Khalili (1977)
Iraq
Sulaymaniyah Governorate Mawat ophiolite complex ⓘ Kuradawe granitic pegmatite	[Columbite-(Fe), Columbite-(Fe) var: Scandium-bearing Columbite-(Fe)] Mohammad et al. (2016) +1 other reference
Ireland
Leinster Carlow County ⓘ Aclare	Barros et al. (2022)
ⓘ Leinster Batholith	Barros et al. (2022)
ⓘ Leinster pegmatite Belt	Paasche et al. (2026)
Wicklow County Shillelagh ⓘ Moylisha	Steiger et al. (1974)
ⓘ Stranakelly	Luecke (1981)
Italy
Lombardy Brescia Province Cevo Upper Val Saviore Monte Foppa (north slope) Forcel Rosso Gully (Forcel Rosso Pass) ⓘ Pegmatite occurrences	[Columbite-(Mn)] Pezzotta +1 other reference
Lecco Province Colico ⓘ Piona Peninsula	[Columbite-(Mn)] VIGNOLA et al. (2007)
ⓘ Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke)	[Columbite-(Fe)] Banti et al. (2011)
Dorio ⓘ Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine)	Del Caldo et al. (1973) +1 other reference
Sondrio Province Bodengo Valley ⓘ Garzelli Valley	Bedogné et al. (1995)
ⓘ Soè Valley	[Columbite-(Mn)] Guastoni et al. (2007)
Chiavenna ⓘ Tanno Pegmatitic Field	[Columbite-(Fe), Columbite-(Mn)] Bedogné et al. (1995) +1 other reference
Chiesa in Valmalenco ⓘ Sissone Valley	[Columbite-(Fe), Columbite-(Mn)] Marchesini et al. (2025) +1 other reference
Novate Mezzola ⓘ Codera Valley	[Columbite-(Fe), Columbite-(Mn)] - (n.d.) +1 other reference
ⓘ Alpiga Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Canina Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Grosina Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Orco Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Punta Trubinasca	[Columbite-(Fe), Columbite-(Mn)] Ghizzoni et al. (2005)
Prata Camportaccio ⓘ Schiesone Valley	[Columbite-(Mn)] Bedogné et al. (1995)
ⓘ Val Masino	[Columbite-(Fe)] Bedogné et al. (1995)
Villa di Chiavenna ⓘ Alpe Rossaccio (Rossaccio)	[Columbite-(Fe)] Bedogné et al. (1995)
Piedmont Verbano-Cusio-Ossola Province Craveggia Rio Vasca ⓘ Piano del Lavonchio (Piano dei Lavonchi)	Daniele Ravagnani - I giacimenti ... +1 other reference
Druogno Orcesco ⓘ Alpe Rosso	[Columbite-(Mn)] attioli V. (1979) +1 other reference
Montescheno ⓘ I Mondei (Ca' Mondei)	Rivista Mineralogica Italiana (1)
Trontano Pizzo Marcio ⓘ Pizzo Marcio North dyke	[Columbite-(Mn)] Piccoli et al. (2007) +4 other references
ⓘ Pizzo Marcio South dyke	[Columbite-(Mn)] Callegari et al. (2002) +2 other references
ⓘ Rio Graia	Boscardin +1 other reference
Sardinia Metropolitan City of Cagliari Sarroch ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu)	[Columbite-(Fe)] Fernando Caboni et al. (2023)
Trentino-Alto Adige/Südtirol Trento Province Predazzo ⓘ Al Fol quarry (Sacac quarry)	[Columbite-(Fe)] Vecchi et al. (2013)
Tuscany Livorno Province Campo nell'Elba ⓘ San Piero in Campo	[Columbite-(Mn)] Orlandi et al.
ⓘ Fonte del Prete	[Columbite-(Fe), Columbite-(Mn)] Aurisicchio et al. (2002)
ⓘ Grotta d'Oggi	[Columbite-(Mn)] Orlandi et al. (1990) +1 other reference
ⓘ La Speranza (Pisani's Quarry)	[Columbite-(Mn)] Barsotti et al. (2006)
ⓘ Rosina vein (Rosina pegmatite)	[Columbite-(Mn)] Pezzotta et al. (1996)
Ivory Coast
Sassandra-Marahoué Haut-Sassandra Issia department Sézo ⓘ Pegmatite No. 10	Assaoulé Benjamin Allou (2005)
ⓘ Pegmatite No. 2	Assaoulé Benjamin Allou (2005)
ⓘ Pegmatite No. 3	Assaoulé Benjamin Allou (2005)
Japan
Fukuoka Prefecture Fukuoka City ⓘ Nagatare (Nagatareyama; Nagatare mine)	[Columbite-(Mn)] Takahiro Tsuji and Teiichi Ueno (2009)
Itoshima City ⓘ Kofuji	- (n.d.)
ⓘ Mitoko pegmatite	- (n.d.)
ⓘ Nokita	- (n.d.)
Tagawa District Kawasaki ⓘ Kotohge	- (n.d.)
Fukushima Prefecture ⓘ Ishikawa District	Sadanaga et al. (1974)
Ishikawa town (Ishikawa-machi) ⓘ Idogami	Sadanaga et al. (1974)
ⓘ Kuroe mine	[Columbite-(Fe)] Akira Kato (2011)
Nekonaki ⓘ Izutsuyama pegmatite	Koji Koseki & Hanzo Gohara (1956)
ⓘ Kozoyama pegmatite	Koji Koseki & Hanzo Gohara (1956)
ⓘ Ōhashi River	Omori (1953)
ⓘ Shionodaira (Shionohira)	Petrov (n.d.)
ⓘ Shiozawa	[Columbite-(Fe)] Petrov (n.d.)
Wagu ⓘ Kannonyama pegmatite (Kannonyama mine)	[Columbite-(Fe)] - (2002)
Koriyama City ⓘ Atagoyama	[Columbite-(Fe)] Matsubara et al. (2013)
Sukagawa City Mt Uzumine (Utsumine) ⓘ Uzumine mine (Udumine mine; Uzumine pegmatite)	[Columbite-(Fe)] Nakajima et al. (2006)
ⓘ Mujinamori	[Columbite-(Fe)] Matsubara et al. (2006)
Gifu Prefecture Nakatsugawa City Hirukawa ⓘ Tawara (Tahara)	[Columbite-(Fe)] Yamada (2004)
Ibaraki Prefecture Hitachiota City ⓘ Myoukenyama	[Columbite-(Mn)]
ⓘ Yudaira	[Columbite-(Fe)] Yamada (2004)
Kasumigaura City Chiyoda-machi ⓘ Yukiiri	[Columbite-(Fe)] Yamada (2004)
Makabe District Makabe-machi ⓘ Yamanoo	Sadanaga et al. (1974)
Kochi Prefecture Tosashimizu City ⓘ Cape Ashizuri (Ashizurimisaki)	[Columbite-(Fe)] Nakashima et al. (1998)
Nagano Prefecture Kiso District Nagiso ⓘ Tadachi	[Columbite-(Fe)] Yamada (2004)
Saga Prefecture Saga City ⓘ Sugiyama	[Columbite-(Fe)] Uehara et al. (2014)
Shiga Prefecture Nagahama City ⓘ Mount Tagami	Shirose (2021)
Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) ⓘ Verkhnee Espe Massif (Verkhnee Espe deposit)	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.)
Zharma District ⓘ Kandygatai Intrusion
ⓘ Kvartsevoye Pegmatite Deposit	Oitseva et al. (2025)
Aktobe Region Khromtau District ⓘ Borsuksai intrusion	Kogarko et al. (1995)
East Kazakhstan Region Kurshim District ⓘ Karasu	Shen et al. (2025)
Samar District ⓘ Belogorskoe Ta-Be deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Ulan District ⓘ Asubulak ore field	Oitseva et al. (2017)
Ungur ⓘ Bodorazdelnoe pegmatite	Oitseva et al. (2017)
ⓘ Dzhilke pegmatite	Oitseva et al. (2017)
ⓘ Taldy Sai pegmatite	Oitseva et al. (2017)
ⓘ Verkne-Lobaksai pegmatite	Oitseva et al. (2017)
ⓘ Bayash Deposit	Zimanovskaya et al. (2022)
ⓘ Ognevka Ta deposit	[Columbite-(Fe)]
ⓘ Verkhne-Baimurzinskoye deposit	I.Mataibayevaa et al. (2014)
Karaganda Region Karkaraly ⓘ Kent Massif	Evseev (1995)
North Kazakhstan Region Aiyrtau District ⓘ Syrymbet	Issayeva et al. (2022)
ⓘ Syrymbet ore field	Kurmangazhina et al. (2026)
ⓘ Shok-Karagay REE deposit	Togizov et al. (2023)
Pavlodar Region May District ⓘ Tleumnetskii Intrusion
Kyrgyzstan
Chuy Region Kemin District Aq-Tyuz ore Field ⓘ Kutessay-II REE deposit	Djenchuraeva et al. (2008) +1 other reference
Madagascar
Alaotra-Mangoro Ambatondrazaka District Ambatosoratra Commune ⓘ Maromby pegmatite (Andreba)	Lacroix (1922)
Amoron'i Mania Ambatofinandrahana District Mandrosonoro ⓘ Marivolanitra pegmatite	Behier (1963)
Ambositra District Sahatsiho Ambohimanjaka Manandona Valley ⓘ Antandrokomby pegmatite	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Unnamed pegmatite 150 m NW of Antandrokomby	[Columbite-(Mn)] Knut Edvard Larsen collection # M-590
Analamanga Anjozorobe District Beronono Commune ⓘ Befanamo pegmatite	[Columbite-(Fe)] King (n.d.)
Ankazobe District Ambolotarakely ⓘ Miakanjovato pegmatite	Pezzotta (1999)
Andranomiady ⓘ Miarinkofeno pegmatite	Guigues (1955)
Tsaramasoandro ⓘ Marijao pegmatite	[Columbite-(Fe)] Arliguie Michel photo & collection
Atsinanana Brickaville District Lohariandava ⓘ Mboro pegmatite	Giraud (1956)
Betsiboka Tsaratanàna District Bekapaika Commune ⓘ Ambatoharanana Ambony pegmatite (South)	Besaire (1966)
ⓘ Ambatomainty pegmatites	Besaire (1966)
ⓘ Ambohibola pegmatites	Behier (1960)
ⓘ Ampangabe-Ambohibola pegmatite	Besaire (1966)
ⓘ Analila pegmatite	Giraud et al. (1957)
ⓘ Antsakoa I pegmatite	Besaire (1966)
ⓘ Antsakoa II pegmatite	Besaire (1966)
ⓘ Befilaho II	Giraud +1 other reference
ⓘ Befilao I	Giraud +1 other reference
ⓘ Bemanary pegmatite	Besaire (1966)
ⓘ Berere Pegmatite Field	Michel Arliguie collection & photo (Photo ID: 970976, old sample)
ⓘ Imangoaka I	Giraud +1 other reference
ⓘ Imangoaka II	Giraud +1 other reference
Manakana Commune ⓘ Vohambohitra pegmatite	Besaire (1966)
Tsaratanana Commune ⓘ Soarano pegmatite	Besaire (1966)
Itasy Soavinandriana District Ankisabe ⓘ Ambodivoandelaka	Guigues (1955)
Mahavelona ⓘ Ambatofotsy pegmatite	Lacroix (1922)
Matsiatra Ambony Ikalamavony District Fitampito ⓘ Malakialina F3 Pegmatite	Baker et al. (1962)
ⓘ Malakialina pegmatite	Behier (1955) +1 other reference
ⓘ Ikalamavony Commune	Michel Arliguie collection & photo (photo id 901825)
ⓘ Bevoandrano pegmatite	Arliguie M. Photo
ⓘ Mahaseza pegmatites	Heurtebize (1963)
ⓘ Sahatany Pegmatite Field (Mt Ibity area)	[Columbite-(Fe)] Ranorosoa (1986)
Sofia Mampikony District ⓘ Betanimena pegmatite	Besaire (1966)
Vakinankaratra Antsirabe II District Ibity Sahatany Valley ⓘ Ankarinarivo pegmatite	Ranorosoa (1986)
ⓘ Estatoby (Antanetinilapa)	[Columbite-(Fe)] Knut Edvard Larsen collection et al. (XRD)
ⓘ Ilapa	[Columbite-(Fe)] Ranorosoa (1986)
ⓘ Manjaka (Sahananana)	[Columbite-(Mn)] Lacroix (1922) +2 other references
Marirana ⓘ Marirana Pegmatites (Andasy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Samizaza	[Columbite-(Mn)] Knut Edvard Larsen collection (# MM 1312)
Tsarafara Pegmatites ⓘ Tsarafara Nord (Ambalaroy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Tsarafara Sud (Ankadilava)	Ranorosoa (1986)
ⓘ Vohidahy	[Columbite-(Mn)] Ranorosoa (1986)
Mangarano ⓘ Ambatonapetraka pegmatites	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Antsofimbato pegmatites	[Columbite-(Fe)] Ranorosoa (1986)
Sahanivotry Manandona ⓘ Ialamitana Pegmatites	[Columbite-(Fe)] Pavel M. Kartashov analytical data 2021
ⓘ Tsilaizina pegmatite	[Columbite-(Mn)] Ranorosoa (1986)
Betafo District Ambohimanambola ⓘ Anjanabonoina pegmatites	Wilson (1989)
Ambohimasina ⓘ Lohavalala pegmatite	[Columbite-(Fe)] Harvard University
Andrembesoa Tetezantsio-Andoabatokely Pegmatite Field ⓘ Ampanodiana North pegmatite	[Columbite-(Mn)] Pezzotta (2007)
ⓘ Ampasogona pegmatite	[Columbite-(Mn)] Pezzotta (2007)
ⓘ Tetezantsio pegmatites	[Columbite-(Mn)] Pavel M. Kartashov data and photo
Anosiarivo Manapa Antsentsindrano ⓘ Antsongombato gem mine	[Columbite-(Mn)] Demartin et al. (2001)
ⓘ Fefena pegmatite	Ungemach (1916)
ⓘ Mahaiza	Wolfgang Hampel photo & specimen
ⓘ Tsaramanga pegmatite	[Columbite-(Mn)] Rudy Bolona specimen
Tritriva ⓘ Samiresy	[Columbite-(Fe)] Ranorosoa (1986)
Faratsiho ⓘ Ingalana pegmatite	Lacroix (1922)
Miandrarivo ⓘ Ampangabé pegmatite	Lacroix (1922)
ⓘ Antanifotsy pegmatite	Alsac (1963)
Vinaninony Atsimo ⓘ Tsindranolahy pegmatite	Alsace (1963)
Mandoto Anjoma Ramartina Ankarongana ⓘ Amparikaolo pegmatite	Lacroix (1922)
Betsohana ⓘ Ambatofotsikely pegmatite	[Columbite-(Fe)] Falster (2003) +1 other reference
ⓘ Vorondolo pegmatite field	Pezzotta (2001)
Malawi
Northern Region Mzimba ⓘ Majiyasawa pegmatite	Salima (2014)
ⓘ Mbuliwiza pegmatite	Salima (2014)
ⓘ Mtende pegmatite	Salima (2014)
Southern Region Balaka ⓘ Kangankunde Carbonatite Complex	Wall et al. (1996)
Zomba ⓘ Nchisi Island (Chilwa Island; Shirwa Island)	Garson et al. (1958) +6 other references
Malaysia
Perak Kinta District Ipoh Gopeng ⓘ Tekka Hill	Teh (1981)
Mali
Sikasso Region Bougouni Cercle ⓘ Goulamina pegmatites	Traore et al. (2025)
Mexico
Chihuahua Aquiles Serdán Municipality Santa Eulalia Mining District East Camp ⓘ San Antonio Mine	[Columbite-(Fe)] Panczner (1987)
Oaxaca la San Francisco Telixtlahuaca Municipality San Francisco Telixtlahuaca ⓘ Santa Ana Mine	[Columbite-(Fe)] Panczner (1987)
San Francisco Telixtlahuaca Municipality San Francisco Telixtlahuaca ⓘ Muerto Mine	Cortez et al. (1981)
Mongolia
Dornogovi Province Dalanjargalan District ⓘ Khukh Del Uul pegmatite	Dostal et al. (2022)
ⓘ Unchzhul massif	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Khalzan Buregte Zr–Nb–REE deposit (Khalzan Buregtei deposit)	[Columbite-(Fe)] Park et al. (2021)
ⓘ Tsakhirin Khuduk Y-Zr-Nb deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Töv Province Lün District ⓘ Avdar pluton	Dostal et al. (2022) +1 other reference
Nailakh Soum Janchivlan ⓘ Janchivlan complex	Dostal et al. (2022)
Uvs Province Malchin District ⓘ Ulaan Tolgoi deposit	Dostal et al. (2023)
Zavkhan District ⓘ Shar Tolgoi	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
ⓘ Ulaan Del deposit	Dostal et al. (2022)
Morocco
Marrakesh-Safi Region Rehamna Province Sidi Bou Othmane Cercle Jebilet Mountain (Djebilet Mountain) ⓘ Sidi Bou Othmane	Fontan (1978)
ⓘ El Rhaba pegmatite	[Columbite-(Fe)] Favreau (2012)
ⓘ Mrirat pegmatite	[Columbite-(Fe), Columbite-(Mn)] Favreau (2012)
Mozambique
Nampula Province ⓘ Ribaué District	von Knorring et al. (1981)
Niassa Province Chimbonila District ⓘ Meponda occurrence	Lulin et al. (1985) +2 other references
Mavago District ⓘ Luicuisse Occurrence	Cílek (1989)
Zambezia Province ⓘ Alto Ligonha Pegmatite Field	[Columbite-(Fe)] Wilson et al. (2000)
Alto Mólocuè District ⓘ Namacotche LCT pegmatites	Gomes et al. (2022)
Gilé District Muiane-Naipa group ⓘ Naipa mine	[Columbite-(Mn)] Wilson et al. (2000)
ⓘ Namivu Pegmatite (Namivo Pegmatite)	[Columbite-(Mn)] Neiva et al. (2005) +1 other reference
ⓘ Marixe	António Manuel Ináçio Martins.
Mocuba District Mocuba ⓘ Ígaro pegmatite	Moiana (2010)
ⓘ Melatube pegmatite	[Columbite-(Fe)] Moiana (2010)
ⓘ Vila Maior pegmatite	Moiana (2010)
Mulevala District ⓘ Morrua Mine	[Columbite-(Fe), Columbite-(Mn)] Wilson et al. (2000)
Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Kyauk-Pyat-That Thurein-taung ⓘ Myan Gyi mine (Myaing-Gyi mine)	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2011)
Shan State Kyaukme District Momeik Township Molo quarter Khetchel village (Cache village; Khat Che village) ⓘ Palelni mine ("Kat Chay mine")	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2010)
ⓘ Phenakite Mine	[Columbite-(Mn)] Mineralogical Magazine +1 other reference
Taunggyi District Nyaungshwe Township ⓘ Myinmati W-Sn-polymetallic deposit	[Columbite-(Fe)] Hong Wang et al. (2013)
Namibia
Erongo Region Arandis Constituency Cape Cross area Strathmore pegmatites ⓘ Molopo Mine (Petalite Pegmatite)	Keller (1991)
ⓘ Pegmatite SP14	Keller (1991) +1 other reference
ⓘ Pegmatite SP48	Keller (1991)
Dâures Constituency Brandberg Area Karlowa Pegmatite Swarm ⓘ Engelbrecht's tourmaline pegmatite	Keller (1991)
ⓘ No. KWP 2-13	Keller (1991)
ⓘ Sandamap North Farm 115	[Columbite-(Fe)] von Bezing (2007)
ⓘ Petalite pegmatite	Keller (1991)
ⓘ Sandamap pegmatite	[Columbite-(Fe)] in the collection of F.J.Emmerich
Spitzkoppe area ⓘ Klein Spitzkoppe	Cairncross (2005)
Uis Uis Pegmatites ⓘ Karlowa Pegmatite	Ashworth (2014)
Karibib Constituency Abbabis Farm 70 ⓘ No. 1 pegmatite	[Columbite-(Fe)] Förch (1998)
ⓘ No. 3 pegmatite	Keller (1991)
Daheim Farm 106 ⓘ Pegmatite No. 1	Keller (1991)
Davib Ost Farm 61 ⓘ Ariakas No. 2 pegmatite	Keller (1991)
ⓘ Ariakas pegmatite	Keller (1991)
ⓘ Carsie pegmatite	Cairncross et al. (2006)
Kaliombo Farm 119 ⓘ Brockmans pegmatite	Keller (1991)
Karlsbrunn Farm 42 ⓘ Karlsbrunn pegmatite	Keller (1991)
ⓘ Neuschwaben Farm 73 (Neu Schwaben)	[Columbite-(Fe)] von Bezing (2007)
Okatjimukuju Farm 55 (Friedrichsfelde Farm) ⓘ Clementine I pegmatite	Keller (1991)
ⓘ Clementine II pegmatite	Keller et al. (1989) +1 other reference
ⓘ Fricke's pegmatite	Keller (1991)
ⓘ Pegmatite No. 10	Keller (1991)
Okongava Ost Farm 72 ⓘ Helikon I Pit	Keller (1991)
ⓘ Helikon II pegmatite	[Columbite-(Mn)] Keller (1991)
ⓘ Henckert's pegmatite	Keller (1991)
ⓘ Jooste's pegmatite	Keller (1991)
ⓘ Rubikon Mine	[Columbite-(Fe), Columbite-(Mn)] Bezing et al. (2007) +1 other reference
Tsaobismund Farm 85 ⓘ Brockmann's pegmatite	[Columbite-(Fe)] Keller (1991) +1 other reference
ⓘ Tsaobismund pegmatite	Fransolet +1 other reference
ⓘ Usakos	Betts (n.d.)
Kunene Region Khorixas ⓘ Lofdal-Bergville REE deposit	[Columbite-(Fe)] Bodeving (2015)
ǁKaras Region Karasburg East Tantalite Valley ⓘ Homestead pegmatite	Baldwin (1994)
ⓘ T pegmatite	Baldwin (1994)
ⓘ White City pegmatites	Baldwin (1994)
ⓘ Witkop pegmatite	Baldwin (1994)
Nepal
P1 Koshi Pradesh Taplejung District Phaktanglung Ikhabu Pegmatite Field ⓘ Yamrang Pegmatite	Bhandari et al. (2022)
New Zealand
West Coast Region Buller District Reefton ⓘ Victoria Range	Railton et al. (1990)
Grey District Greymouth ⓘ Barrytown	Wells +1 other reference
Niger
Agadez Tchirozerine ⓘ Elméki	Niamey: Ministère des Mines et de ... +1 other reference
ⓘ Taghouaji Complex	consequences. Bulletin de la Société géologique de France (6) +4 other references
ⓘ Tarraouadji Massif	[Columbite-(Fe)] J. Fabriès and G. Rocci (1965)
Tillabéri Antigoura ⓘ Sirba River gold alluvials	Machens (1964)
Téra ⓘ Dibilo	64 pages. +1 other reference
Nigeria
ⓘ Bauchi	[Columbite-(Fe)] Melcher et al. (2015)
Ningi Kalato ⓘ Tibchi complex	[Columbite-(Fe)] Sakoma et al. (2002)
Kano Doguwa ⓘ Ririwai Mines	Imeokparia (1983) +2 other references
Katsina Zango ⓘ Daura Complex	a link between the Younger Granite districts of Nigeria and S Niger. Journal of the Geological Society (1) +2 other references
Kogi Adavi ⓘ Okene-Lokoja-Kabba roads junction pegmatite	[Columbite-(Fe)] Rotimi et al. (2012)
Yagba West ⓘ Ferronigerite-2N1S occurrence	Jacobson et al. (1947)
Kwara ⓘ Okere	von Knorring et al. (1981)
Nasarawa ⓘ Afu Ring Complex	44-61 Earth Sciences Research Journal +4 other references
ⓘ Keffi	Cao et al. (2024)
Plateau Bokkos ⓘ Ropp Ring Complex	Yunusa et al. (2024)
ⓘ Jos Plateau	Am Min 51:299-323
Bukuru ⓘ Padok	Journal of Minerals & Materials ...
ⓘ Kuza
Younger ring complex ⓘ Jos-Bukuru	[Columbite-(Fe)] Woolley (2001)
North Korea
Kangwon Province Chorwon County Kalmal-myon Chipo-ri Yonghwa-dong ⓘ Kumsok Mine	Kinosaki (1943)
Kuntal-li ⓘ Tallok Mine (Tanryoku Mine)	Kinosaki (1943)
Pyonggang County ⓘ Abdong Zr-Nb deposit (Aptong; Apdong)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
South Hamgyong Province Munchon-gun Pungha-myon ⓘ Munchon Mine	pp 158-168 +1 other reference
Norway
Agder ⓘ Arendal	[Columbite-(Fe)] Balassone et al. (2015)
Birkenes Vegusdal ⓘ Katterås	[Columbite-(Mn)] Bjorlykke (1937)
ⓘ Katterås 1 Feldspar Quarry	Bjørlykke (1935)
ⓘ Katterås 3 Feldspar Quarry	Bjørlykke (1935)
ⓘ Katterås 4 Feldspar Quarry	Frigstad (1968)
ⓘ Eptevatnet	[Columbite-(Fe)] Selbekk et al. (2008)
Evje og Hornnes Ås ⓘ Ås 2 Feldspar Quarry	[Columbite-(Fe)]
Åvesland ⓘ Åvesland 04 Uranium Mine (Einerkilen 1)	Åmli (1969)
ⓘ Landsverk	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Landsverk 1 Feldspar Quarry (Jokeli)	[Columbite-(Fe)] Larsen (2001) +1 other reference
Lauvland ⓘ Brattekleiv Feldspar Quarry (Lauvland 04)	[Columbite-(Fe)] Harries (2020)
Flekkefjord ⓘ Hidra	[Columbite-(Fe)] Müller et al. (2017)
Gjerstad Brenndalsmo ⓘ Hulleknatten	Bjørlykke (1937)
Brokelandsheia ⓘ Brokeland feldspar quarry	Bjørlykke (1937)
Iveland ⓘ Birkeland	Knut Edvard Larsen photo
Dalane ⓘ Dalane 2 Feldspar Quarry (Bjarne Dalane's Gruve)	Bjorlykke (1937) +1 other reference
ⓘ Eptevatnet 01 Feldspar Quarry	Stensrud (2009)
ⓘ Eptevatnet 04 Feldspar Quarry (Hovåsen)	[Columbite-(Fe), Columbite-(Mn)] Collection of the Iveland Municipality ...
ⓘ Fossbekk Feldspar Quarry	[Columbite-(Fe)] Lund (2016)
Frikstad ⓘ Frikstad 07 Feldspar Quarry	[Columbite-(Fe)] Revheim (2004)
ⓘ Håland Feldspar Quarry (Hålandsgruva)	Nilssen (1970)
ⓘ Håverstad	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Kåbuland	[Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Landås	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Landås 01 Feldspar Quarry	[Columbite-(Mn)] Lund (2016)
ⓘ Ljosland	[Columbite-(Fe)] Selbekk et al. (2008)
Knipan (Knipane) ⓘ Ljosland 04 (Thortveitittgruva)	Bjorlykke (1937)
ⓘ Ljosland 01 Feldspar Quarry	Bjørlykke (1935)
ⓘ Ljosland 03 Feldspar Quarry	[Columbite-(Fe)] Lund (2016)
Ljoslandsheia ⓘ Ljosland 06 Feldspar Quarry	Bjørlykke (1935)
ⓘ Mølland	[Columbite-(Mn)] Müller et al. (2017)
ⓘ Rossås	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Solås Pegmatite	[Columbite-(Fe)] Müller et al. (2012)
Tveit ⓘ Steli Feldspar Quarry (Tveit 03)	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
ⓘ Tveit 04 Feldspar Quarry	Bjørlykke (1935) +1 other reference
Lindesnes Vigeland ⓘ Rymteland Feldspar Quarry	Sverdrup (1959)
Risør Søndeled ⓘ Ramskjær Feldspar Quarry	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Akershus Hurdal ⓘ Fagerliåsen	[Columbite-(Fe), Columbite-(Mn)] Folvik (2007)
Lunner ⓘ Gjerdingselva	[Columbite-(Fe)] Kvamsdal (2020)
Nesodden ⓘ Spro pegmatite	Raade (1965)
Buskerud Modum ⓘ Sætersbergåsen	Knut Eldjarn Collection
Øvre Eiker Gunhildrud ⓘ Bakstevalåsen	[Columbite-(Fe)] Jahren et al. (1998)
ⓘ Roadcut RV 35 Eikerenveien	Raade (1982)
ⓘ Rv 35	Raade (1982)
Innlandet Lom Leirdalen ⓘ Tverrbotntind	Wilke (1976)
ⓘ Søre Illåbreen	Garmo (1974)
Nordland Hamarøy Drag ⓘ Erlinggruva	[Columbite-(Fe)] Husdal (2008)
ⓘ Jennyhaugen	[Columbite-(Mn)] Tomas Husdal analytical data
Finnøya ⓘ Håkonhals Quarry	[Columbite-(Fe)] Zhou et al. (2022)
Tiltvika ⓘ Tiltvika pegmatite	[Columbite-(Fe)] Tomašić et al. (2004)
Meløy Holandsfjorden ⓘ Ågskardet LCT Pegmatite	[Columbite-(Mn)] Kristiansen (1972) +1 other reference
Narvik ⓘ Hundholmen	[Columbite-(Fe)] Husdal (2008)
ⓘ Stetind pegmatite	[Columbite-(Fe)] Husdal (2008)
Sørfold ⓘ Tennvatn pegmatite	[Columbite-(Fe), Columbite-(Mn)] Husdal (2008)
Østfold Halden Berg ⓘ Vestgård	Bjørlykke (1939)
Idd Aspedammen ⓘ Herrebøkasa	[Columbite-(Fe), Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Moss	[Columbite-(Mn)] Hercule Shen photo and collection
ⓘ Dillingøya (Dillingö)	[Columbite-(Fe)] Selbekk et al. (2008)
Rygge Dramstad ⓘ Feøya	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Fredskjær Mine	Bjørlykke (1939)
ⓘ Huggeneskilen	Brögger (1883)
ⓘ Hullingsås	Bjørlykke (1939)
ⓘ Kure Mine	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Sameia	Bjørlykke (1939)
Vannem ⓘ Moss Quarry (Skolt Quarry)	[Columbite-(Fe)]
ⓘ Råde	[Columbite-(Fe), Columbite-(Mn)] Balassone et al. (2015)
Aker ⓘ Lårbu	Bjørlykke (1939)
ⓘ Berg	[Columbite-(Fe)] Brøgger (1897) +1 other reference
ⓘ Elvestad	Brögger (1883)
ⓘ Fuglevik	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Halvorsrød	Bjørlykke (1939)
ⓘ Karlshus Mine	Bjørlykke (1939)
ⓘ Myre	Bjørlykke (1939)
ⓘ Oksenøen	Bjørlykke (1939)
ⓘ Skråtorp	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Spro	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Starengen (Stadengen)	Bjørlykke (1939) +1 other reference
Sarpsborg Ryen ⓘ Ryen Quarry	[Columbite-(Fe)] Kristiansen (2022)
Våler ⓘ Ånnerud (Ånnerød)	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Aslaktaket Quarry	[Columbite-(Fe)] Ray Schortmann
ⓘ Kjærsund	Bjørlykke (1939)
ⓘ Ødegårdssletta	Brøgger (1906)
ⓘ Vintergruben Quarry	[Columbite-(Fe)] Müller et al. (2017)
Rogaland Vindafjord Vats ⓘ Årli pegmatite	Størseth (2003)
ⓘ Krakkanuten pegmatite	[Columbite-(Fe)] Størseth (2003)
ⓘ Thor's Mine	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Svalbard Spitsbergen Hornsund ⓘ Skoddefjellet Pegmatite	[Columbite-(Fe), Columbite-(Mn)] Pršek et al. (2010)
Telemark Kragerø ⓘ Tangen Feldspar Mine	[Columbite-(Fe), Columbite-(Mn)] Selbekk et al. (2008) +1 other reference
Nome ⓘ Fen Complex	Sørum (1955) +1 other reference
ⓘ Hydro Quarry
ⓘ Søve Mines	Bjørlykke et al. (1960)
ⓘ Cappelen Quarry	Adamson (1950)
ⓘ Tufte Quarry	Adamson (1950)
Tokke Klauvreid ⓘ Klauvreid Pegmatite Quarries	[Columbite-(Mn)] Larsen. A.O. & Åsheim (2008)
ⓘ Spafjell	[Columbite-(Mn)] Jan Andersen specimen. Analyzed by ...
Troms og Finnmark Alta ⓘ Bekkarfjordnes	Barth (1927)
ⓘ Ørnetind	Barth (1927)
ⓘ Seiland Island	Barth (1927)
Vestfold Larvik Commune Tjølling Håkestad ⓘ Håkestad Quarry	[Columbite-(Fe)] Engvoldsen et al. (1991) +1 other reference
Pakistan
Gilgit-Baltistan Astore District ⓘ Drot Valley	- (2004)
Roundu District Haramosh Mountains ⓘ Stak Nala	[Columbite-(Mn)] Laurs et al. (1998)
ⓘ Shengus	[Columbite-(Fe), Columbite-(Mn)]
Shigar District Braldu Valley ⓘ Dassu	Dudley Blauwet +2 other references
ⓘ Nyet	Blauwet et al. (2004)
ⓘ Shigar Valley	[Columbite-(Fe)] AM Mizunaka
ⓘ Skardu Area	[Columbite-(Fe), Columbite-(Mn)] imported from Shigar District +2 other references
Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Dzierżoniów Owiesno Kietlice ⓘ Owiesno-Kietlice area pegmatite occurrences	[Columbite-(Fe)] Łodziński M. 2008: Chemical ... +1 other reference
Gmina Niemcza ⓘ Gilów	Pieczka A. et al. (2004)
ⓘ Gilów pegmatite	Pieczka A. et al. (2004)
Piława Górna ⓘ DSS Piława Górna Quarry	[Columbite-(Fe), Columbite-(Mn)] PIECZKA et al. 2010: Nb-Ta minerals in ...
ⓘ Julianna pegmatite	[Columbite-(Fe), Columbite-(Mn)] Pieczka et al. (2012) +1 other reference
ⓘ Lithium pegmatite	[Columbite-(Mn)] Pieczka et al. (2012)
Jelenia Góra Cieplice Śląskie-Zdrój ⓘ Mount Sołtysia	Lis et al. (1986)
ⓘ Kopki Hill	Lis et al. (1986)
Karkonosze County ⓘ Szklarska Poręba	Mochnacka et al. (2000)
ⓘ Szklarska Poręba Huta granite quarry	[Columbite-(Fe)] Evans et al. (2018) +1 other reference
ⓘ Strzelin County	[Columbite-(Fe)] Łodziński M. 2008: Chemical ...
Gmina Przeworno ⓘ Romanów	[Columbite-(Fe)] Lis et al. (1986)
Świdnica County Gmina Strzegom Żółkiewka ⓘ Andrzej I quarry	[Columbite-(Mn)] Szełęg et al. (2010)
Gmina Świdnica ⓘ Michałkowa pegmatites	[Columbite-(Fe)] Eligiusz Szełęg collection
ⓘ Góry Sowie Block	[Columbite-(Fe)] Pieczka et al. (2017)
Gmina Żarów Siedlimowice ⓘ Siedlimowice granite quarry	Janeczek J. (1989) +1 other reference
Wrocław County Gmina Jordanów Śląski ⓘ Jordanów nephrite quarry	[Columbite-(Mn)] Pieczka et al. (2024) +1 other reference
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	[Columbite-(Mn)] Pieczka (2000) +3 other references
ⓘ Szklary nickel deposit	[Columbite-(Mn)] Pieczka et al. (2001)
Zgorzelec County Bogatynia Markocice ⓘ Markocice Th prospect	Lis et al. (1986)
Portugal
Beja Beja Santa Vitória e Mombeja ⓘ Ferrarias e Castelo Mine	[Columbite-(Fe)] Oliveira et al. (2025)
Braga Terras de Bouro Covide ⓘ Covide quarry	[Columbite-(Fe)] Mineralizações e Recursos de Tântalo no Norte de Portugal - Análise Paragenética" - Carlos Augusto Alves Leal Gomes (2016)
Vieira do Minho Anjos e Vilar do Chão Muro Alto Mine ⓘ Eastern pegmatite	[Columbite-(Mn)] Dias et al. (2009)
ⓘ Western pegmatite	[Columbite-(Fe)] Dias et al. (2009)
Vila Verde Cervães ⓘ Abelheiras Mine	LNEG - Laboratório Nacional de Energia ...
Bragança Vinhais Ervedosa ⓘ Ervedosa Mine (Tuela Mine)	Meunier et al. (2023)
Castelo Branco Belmonte Belmonte e Colmeal da Torre ⓘ Torre Romana Mine	LNEG - Laboratório Nacional de Energia ...
Inguias ⓘ Lei Velha Mine	LNEG - Laboratório Nacional de Energia ...
ⓘ Olas Mine	LNEG - Laboratório Nacional de Energia ...
Maçainhas ⓘ Unnamed pegmatite quarry	Klaus Ludwig Collection
Covilhã Barco e Coutada ⓘ Argimela Mine (Argemela Mine)	Ribeiro et al. (2021)
Idanha-a-Nova União das Freguesias de Zebreira e Segura ⓘ Segura Mines (Segura mining field)	[Columbite-(Fe), Columbite-(Mn)] Antunes et al. (2013)
Guarda Gouveia Folgosinho ⓘ Sítio do Castelo Mine
Vila Franca da Serra ⓘ Roto-Bote quarry	- (1984) +2 other references
Guarda ⓘ Gonçalo	[Columbite-(Mn)] Neiva et al. (2001) +1 other reference
ⓘ Alvarrões Mine	[Columbite-(Fe), Columbite-(Mn)] Fabre (n.d.)
Sabugal Bendada ⓘ Bendada Mines	[Columbite-(Mn)] Rui Nunes - June 2008
Porto Amarante Rebordelo ⓘ Vieiros Mines	LNEG - Laboratório Nacional de Energia ...
Felgueiras Vila Cova da Lixa e Borba de Godim Borba de Godim ⓘ Seixoso Mining Field	LNEG - Laboratório Nacional de Energia ...
Viana do Castelo Ponte da Barca Vila Chã (São João Baptista e Santiago) ⓘ Mata da Galinheira Mine	[Columbite-(Fe)] PROSPEG – Projecto de prospecção +1 other reference
Ponte de Lima Cabração e Moreira do Lima ⓘ Eiradas Mine	LNEG - Laboratório Nacional de Energia ...
ⓘ Monte do Formigoso Mine	LNEG - Laboratório Nacional de Energia ...
Estorãos ⓘ Andorinheiras Mine	LNEG - Laboratório Nacional de Energia ...
Valença do Minho Gondomil e Safins ⓘ Eiras quarry	[Columbite-(Fe)] Nuno Afonso collection (XRD-analysed)
Viana do Castelo Montaria ⓘ Serra de Arga	[Columbite-(Fe)] Dias P et al. (2014)
Vila Real Alijó São Mamede de Ribatua ⓘ Alijó spodumene pegmatite	[Columbite-(Fe)] Garate-Olave et al. (2024)
ⓘ Barroso-Alvão pegmatite field	[Columbite-(Fe), Columbite-(Mn)] Martins et al. (2011)
Boticas Dornelas ⓘ Lousas aplite-pegmatite	Novák et al. (2009)
Chaves Eiras， São Julião de Montenegro e Cela ⓘ Estanheira No. 3 Mine	LNEG - Laboratório Nacional de Energia ...
ⓘ Estanheira No. 7 Mine	LNEG - Laboratório Nacional de Energia ...
ⓘ Palheiros No. 2 Mine	LNEG - Laboratório Nacional de Energia ...
Faiões ⓘ Estanheira No. 11 Mine	LNEG - Laboratório Nacional de Energia ...
Montalegre Morgade ⓘ Bessa Mining Field	LNEG - Laboratório Nacional de Energia ...
Salto ⓘ Monte da Alvorada Mine	LNEG - Laboratório Nacional de Energia ...
Viseu Penalva do Castelo U.F Antas e Matela ⓘ Quelhas do Velho Mine	LNEG - Laboratório Nacional de Energia ...
Sátão Ferreira de Aves Aldeia Nova ⓘ Assunção Mine	International Geological Congress (2008)
ⓘ Carrasqueira Mine	LNEG - Laboratório Nacional de Energia ...
ⓘ Preguiça Mine	LNEG - Laboratório Nacional de Energia ...
Mioma ⓘ Fontainhas Mine	LNEG - Laboratório Nacional de Energia ...
Sátão ⓘ Facho Mine	LNEG - Laboratório Nacional de Energia ...
U.F Romãs Decermilo e Vila Longa ⓘ Companheiro No. 2 quarry
ⓘ Companheiro No. 3 quarry
Vouzela U.F Cambra e Carvalhal de Vermilhas ⓘ Vermilhas No. 1 Mine	LNEG - Laboratório Nacional de Energia ...
Romania
Harghita County Ditrău Complex ⓘ Jolotca (Orotva)	[Columbite-(Fe)] Szakáll et al. (2010)
ⓘ Adit No 25	Hirtopanu et al. (2000)
Joseni ⓘ Belcina Creek (Belcina)	[Columbite-(Fe)] Hirtopanu et al. (2013)
Hunedoara County ⓘ Gradistea de Munte deposit	HÎRTOPANU et al. (2014)
Sibiu County Lotru-Cibin Mountains ⓘ Contu-Negovanu Pegmatite Field	Calin et al. (2014) +2 other references
Russia
Altai Republic Kosh-Agachsky District ⓘ Alakha	Seltmann et al. (2010)
Buryatia Baunt District Vitim Plateau ⓘ Amandak F-Be deposit	Bulnaev (2006)
Bichursky District Mukhorshibir' settlement Zaganskii range Baits Kundui deposit ⓘ Glavnaya vein	[Columbite-(Fe)] Iovchev E.S.
Eastern Sayan ⓘ Snezhnoe Be deposit	Seltmann et al. (2010)
Kizhinginsky District Ermakovskoe Be Deposit Zunshibir' valley ⓘ Opornyi pegmatite	[Columbite-(Fe)] Mironov A.G. and Gofman A.F (1979)
Zakamensky District ⓘ Dzhida W-Mo District	Damdinova et al. (2019)
Chelyabinsk Oblast Argayashsky District ⓘ Pit No. 400	[Columbite-(Fe)] Pekov (1998) +1 other reference
Ilmen Mountains ⓘ Pit No. 298	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Pit No. 299	S.Kolesnichenko
ⓘ Pit No. 50 (Blyumovskaya Pit; Blum Pit)	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.) +2 other references
ⓘ Pit No. 69 (G.I. Gasberg's Topaz-Cryolite Pit)	Bailey (1980)
ⓘ Ilmen Nature Reserve	[Columbite-(Fe)] Sorokina et al. (2016)
Kartalinsky District Zhabyk-Karagay massif Annenskoye pegmatite field ⓘ Annenskaya pit	webmineral.ru (2021)
ⓘ Lepidolite vein	[Columbite-(Mn)] Popova et al. (2010)
Kaslinsky District ⓘ Porokhovskoe W deposit	Rogov et al. (2023)
ⓘ Yugo-Konevo W deposit	Rogov et al. (2023)
Plastovsky District ⓘ Malyginsky Quarry	[Columbite-(Fe)] webmineral.ru (2021)
ⓘ Melnikovskaya pit	webmineral.ru (n.d.)
Plast Kochkar' District ⓘ Chuksin ruby placer deposit	Kievlenko et al. (2003)
Svetlyi ⓘ Svetlinsky pegmatite quarry	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov analytical data 2009
Vishnevye Mountains ⓘ Buldym Lake	Nedosekova (2007) +1 other reference
Kobelikha Mt. ⓘ Unnamed quarry	[Columbite-(Fe)] Nishanbaev et al. (2016)
Chukotka Autonomous Okrug Chukchi Peninsula (Chukotka Peninsula; Chukotski Peninsula) ⓘ Severny pluton	[Columbite-(Mn)] Alekseev (2025)
Irkutsk Oblast ⓘ Beloziminskoe	Seltmann et al. (2010)
ⓘ Bol'shetagninskoe Massif	Seltmann et al. (2010)
ⓘ Bol’shaya Tagna massif	[Columbite-(Mn)] Andreeva et al. (2006)
ⓘ Goltsovoe Li deposit (Gol'tsy; Goltsovskoe)	Seltmann et al. (2010)
ⓘ Urikskoe	Seltmann et al. (2010)
ⓘ Vishnyakovskoe Rb-Ta deposit (Elash)	Neymark et al. (2021)
Vitim Plateau Biraya and Bya Rivers confluence area (Chara Basin) ⓘ Biraya Fe-REE ore occurrence	Koneva A.A. et al. (2010)
ⓘ Zashikhinskoe	Seltmann et al. (2010)
Komi Republic Timan Range ⓘ Chetlasskiy Kamen'	Ras et al. (2011) +1 other reference
ⓘ Kosyu occurrence	Nedosekova et al. (2021)
ⓘ Schugorsk bauxite deposit	Mordberg et al. (2001)
Verkhne-Shugorskoe bauxite deposit ⓘ Borehole #10855	[Columbite-(Fe)] Udoratina et al. (2024)
Krasnoyarsk Krai Boguchansky District Chadobets alkaline complex ⓘ Chuktukon carbonatite massif	[Columbite-(Fe)] Sharygin et al. (2017, August)
Murmansk Oblast ⓘ Afrikanda complex	Kaminsky et al. (2025)
ⓘ Eveslogchorr Mt	[Columbite-(Fe)] Ivanyuk et al. (2007)
Kola Peninsula ⓘ Kolmozero-Voronye belt	[Columbite-(Fe)] Huber et al. (2023)
Kolsky District ⓘ Shongui deposit	[Columbite-(Fe), Columbite-(Mn)] Zozulya et al. (2024)
ⓘ Lovozero Massif	[Columbite-(Fe)] ...
Lovozersky District Karnasurt Mountain ⓘ Yubileinaya pegmatite	D’yachkov et al. (2022)
Keivy Mountains Western Keivy Massif ⓘ Ploskaya Mountain	[Columbite-(Mn)] Voloshin A.V. et al. (1986)
Northern Karelia ⓘ Alakurtti pegmatite	Pekov (1998)
Voron'i Tundry ⓘ Kolmozerskoe deposit	[Columbite-(Fe), Columbite-(Mn)] Zozulya et al. (2024)
ⓘ Okhmyl'k Mt	[Columbite-(Mn)] Zozulya et al. (2024)
ⓘ Polmos deposit	[Columbite-(Fe)] Zozulya et al. (2024)
ⓘ Vasin-Myl'k Mt	Kovalenko (Levashova)
Primorsky Krai Khorolsky District Voznesenskii ore district ⓘ Pervomaisky deposit	Ryazantseva (2001)
ⓘ Pogranichnoe deposit (Pogranichny deposit)	Ryazantseva (2001)
Krasnoarmeysky District Arminsky ore district ⓘ Tigrinoe Sn-W-Mo deposit (Tigriny)	Gonevchuk et al. (2005)
Roshchino Kedrovaya river ⓘ Nezametnoe deposit (Nezametny gold mine)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Republic of Karelia Ladoga Region ⓘ Nuolainiemi pegmatite	Pekov (1998)
Loukhsky District ⓘ Elet'ozerskii massif	[Columbite-(Fe)] Sorokhtina et al. (2018)
Pitkyarantsky District Pitkyaranta mining district ⓘ Linnavaara	[Columbite-(Fe)] I.V.Pekov. E.A.Vlasov. E.A.Gerasimova Pitkyarantskaya mineralogical practice et al. (in Russian)
Sakha ⓘ Gornoozerskii carbonatite complex (Gornoe Ozero)	Nokleberg
Polar Yakutia ⓘ Tomtor Massif	[Columbite-(Fe)] S.M. Kravchenko data +1 other reference
Selennyakh range Tommot river ⓘ Somnitelnyi Massif	Trunilina et al. (2022)
Tomponsky District ⓘ Burgali Ore Field	Trunilina et al. (2024)
Ust-Yansky District Omchikandya Ore Field ⓘ Polyarnoe Deposit	Trunilina et al. (2024)
Verkhoyansk District Yana River Basin Yana-Adycha Region ⓘ Arga-Ynnakh-Khaya granite Massif	[Columbite-(Mn)] Alekseev et al. (2020)
ⓘ Kester harpolith	[Columbite-(Fe)] Alekseev et al. (2020)
ⓘ Kester deposit	[Columbite-(Fe), Columbite-(Mn)] Alekseev et al. (2020) +1 other reference
Sverdlovsk Oblast Adui Batholith ⓘ Semininskaya mine	[Columbite-(Fe), Columbite-(Mn)] Vital'Evna (2021)
Malyshevo Izumrudnye Kopi area ⓘ Krasnoarmeiskii mine	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2012)
Prigorodny District Yuzhakovo Alabashka pegmatite field ⓘ Startsevskaya mine	Kievlenko et al. (2003)
Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	[Columbite-(Fe), Columbite-(Mn)] Zap. Vseross. Mineral. Obshch. (2) +2 other references
ⓘ Lipovskoye pegmatite field	[Columbite-(Fe)] Zakharov et al. (2022)
Tuva ⓘ Belaya Zima REE-Nb deposit	[Columbite-(Fe)] Doroshkevich et al. (2016)
Erzinsky District ⓘ Tastyg Spodumene deposit	Kuznetsova (2009)
Kaa-Khemsky District ⓘ Erzin massif	Bailey (1980)
ⓘ Ulug-Tanzek deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Yamalo-Nenets Autonomous Okrug Labytnangi ⓘ Tai-Keu REE-Nb occurrence	Pekov (1998)
Zabaykalsky Krai Aginsky District ⓘ Khangilai pluton	Breiter et al. (2024)
ⓘ Orlovka	www.minsocam.org (n.d.) +1 other reference
Baleysky District ⓘ Etyka	[Columbite-(Mn)] Seltmann et al. (2010)
Duldurginsky District ⓘ Sakhanaiskiy granite massif	[Columbite-(Fe)] Chukanov et al. (2026)
Kalarsky District ⓘ Katugin Ta-­Nb deposit	[Columbite-(Fe)] Victor V. Sharygin analytycal data (2012) +3 other references
Khiloksky District ⓘ Orlovskoye	Thomas et al. (2009)
ⓘ Orlovskoye mine	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Krasnochikoysky District Krasnyi Chikoy ⓘ Malkhan pegmatite field	[Columbite-(Mn)] Fialova et al. (2013)
ⓘ Danburitovaya pegmatite vein	[Columbite-(Mn)] Grant (2001)
ⓘ Oktyabrskaya pegmatite vein	Peretyazhko et al. (2004)
Nerchinsky District Adun-Cholon Range ⓘ Sherlova Gora	Kasatkin et al. (2014)
Olovyanninsky District ⓘ Turga Massif	Ivanova et al. (2020)
Ononsky District Durulgui granite-pegmatite system ⓘ Chalotskoe deposit	[Columbite-(Fe)] Lykova I. S. et al. (2017)
Rwanda
Eastern Province Rwamagana District ⓘ Musha-Ntunga	Acke et al. (2025)
Southern Province Nyanza District ⓘ Busoro	von Knorring et al. (1981)
Western Province Ngororero District Bwira ⓘ Rubindi pegmatite (Kabilizi)	Hatert et al. (2004)
ⓘ Gatumba pegmatite field	[Columbite-(Mn)] Pohl et al. (2013)
ⓘ Gatumba pegmatite	Bertossa +1 other reference
Muhororo ⓘ Buranga pegmatite	Bertossa (1968) +1 other reference
ⓘ Rongi Amblygonite Pegmatite	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Rusororo pegmatite	Bertossa
Ndaro ⓘ Bijyojyo	Bertossa
Rutsiro District ⓘ Lutsiro	[Columbite-(Fe)] Daltry et al. (1998)
Saudi Arabia
Ha'il Region ⓘ Silsilah Deposit	Economic Geology (1996)
Medina Region ⓘ Unnamed pegmatite	He et al. (2021)
Tabuk Region Midyan ⓘ Ghurayyah Ta deposit	Küster (2009)
ⓘ Jabal Tawlah	[Columbite-(Fe)] Atencio et al. (2015)
Senegal
Kédougou Region Saraya ⓘ Faleme River	Goodenough et al. (2025)
Serbia
Central Serbia Mačva District Šabac ⓘ Cer Mountain (Mt. Cer)	Huska et al. (2015)
Slovakia
Banská Bystrica Region Banská Bystrica District Brusno ⓘ Sopotnická Valley	[Columbite-(Fe), Columbite-(Mn)] Uher
Brezno District ⓘ Jasenie	Koděra et al. (1986)
Lučenec District Čamovce ⓘ Unnamed stone quarry	Huraiová et al. (2019)
Bratislava Region Bratislava Bratislava I Staré Mesto Mlynská valley ⓘ Pri Habánskom mlyne street	[Columbite-(Fe)] Uher et al. (1994)
Bratislava IV Devín ⓘ Jezuitské Lesy	[Columbite-(Fe), Columbite-(Mn)] Chudík et al. (2011)
Pezinok District Limbach ⓘ Limbach Brook	[Columbite-(Fe), Columbite-(Mn)] Uher et al. (2006) +1 other reference
Pezinok Slnečné Valley ⓘ Alluvial placers	[Columbite-(Fe), Columbite-(Mn)] Uher et al. (n.d.)
Košice Region Gelnica District Nálepkovo ⓘ Surovec granite body	Petrik et al. (2011)
Košice-okolie District ⓘ Zlatá Idka	Pauliš et al. (2002)
Rožňava District ⓘ Betliar	Koděra et al. (1986)
Dobšiná Dobšiná mining district ⓘ Malá Vlčia Valley pegmatite vein	[Columbite-(Mn)] Uher P. et al. (2018)
ⓘ Gemerská Poloma	[Columbite-(Fe), Columbite-(Mn)] Koděra et al. (1986)
Dlhá Valley ⓘ Greisen outcrop	[Columbite-(Fe), Columbite-(Mn)] Martin Števko-unpublished
Spišská Nová Ves District Hnilec ⓘ Medvedí potok Sn deposit	[Columbite-(Fe), Columbite-(Mn)] Koděra et al. (1986)
Trenčín Region Prievidza District Jalovec ⓘ Ráztočno pegmatite	[Columbite-(Fe), Columbite-(Mn)] Uher (2008)
Liešťany ⓘ Granitic pegmatite	[Columbite-(Fe)] Uher P. et al. (2020)
Trnava Region Piešťany District ⓘ Moravany nad Váhom	[Columbite-(Fe), Columbite-(Mn)] Uher et al. (Považský Inovec)
ⓘ Striebornica	[Columbite-(Fe), Columbite-(Mn)] Uher P.
Žilina Region Liptovský Mikuláš District Dúbrava ⓘ Dúbrava Sb deposit	[Columbite-(Fe), Columbite-(Mn)] Uher P.
South Africa
Limpopo Mopani District Municipality Ba-Phalaborwa Local Municipality Murchison Range ⓘ Gravelotte	Cairncross et al. (1995)
Greater Giyani Local Municipality Giyani Greenstone Belt ⓘ Pala Kop	Cairncross et al. (1995)
Waterberg District Municipality Modimolle-Mookgophong Local Municipality Mookgophong ⓘ Buffalo Fluorspar Mine	[Columbite-(Fe)] Atanasova et al. (2016)
Thabazimbi Local Municipality Thabazimbi Glenover carbonatite ⓘ Glenover phosphate mine	USGS Open-File Report 02–156–A +1 other reference
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Pilanesberg Alkaline Ring Complex	[Columbite-(Mn)] R. Liferovich -L. Horváth p.c. 2004
ⓘ Pilanesberg Mountain	Cairncross et al. (1995)
Northern Cape Namakwa District Municipality Nama Khoi Local Municipality ⓘ Goodhouse-Vioolsdrift area	Gevers +2 other references
Steinkopf ⓘ Blue feldspar reef	Baldwin (1994)
ⓘ Groendoorn I pegmatite	Cairncross et al. (1995)
ⓘ Groendoorn III pegmatite	Cairncross et al. (1995)
ⓘ Groendoorn IV pegmatite	Cairncross et al. (1995)
ⓘ Jakkalswater (Jackal's Water; Noumas I pegmatite; Blesberg mine)	Cairncross et al. (1995)
ⓘ Kokerboomrand pegmatite	Baldwin (1994)
ⓘ Noumas I pegmatite (Blesberg)	Von Backstroem (1973) +2 other references
ⓘ Noumas II pegmatite (Blesberg)	Von Backstroem (1973) +1 other reference
ⓘ Spodumene Kop I pegmatite	Von Backstroem (1973)
ⓘ Spodumene Kop II pegmatite	Baldwin (1994)
ⓘ Swartkop (Swartberg) pegmatite	Cairncross et al. (1995)
Okiep Copper District ⓘ Narrap Mine	Econ Geol. (1995)
ZF Mgcawu District Municipality !Kheis Local Municipality ⓘ Kombaers Brand Farm	Cairncross et al. (1995)
Kai !Garib Local Municipality Kakamas ⓘ Baviaanskrantz pegmatite	Cairncross et al. (1995)
Riemvasmaak ⓘ Mosterhoek pegmatite	Cairncross (2009)
Kenhardt ⓘ Angelierspan III pegmatite	Baldwin (1994)
ⓘ Crieff Farm	Cairncross et al. (1995)
ⓘ Crieff pegmatite	Von Backstroem (1973)
ⓘ Jacomynspan Farm	Cairncross et al. (1995)
ⓘ Stofberg farm	Cairncross et al. (1995)
ⓘ Klein Xamchap	Collection of Geoscience Museum
ⓘ Witwatersrand goldfield	Cairncross et al. (1995)
South Korea
Gangwon Province Hongcheon County ⓘ Hongcheon Carbonatite	[Columbite-(Mn)] Pavel M. Kartashov's analytical data
North Chungcheong Province Chechon-gun Susan-myon ⓘ Sujung Mine	Kinosaki (1943)
Chungju City Joongwon-gun Mt. Eorae ⓘ Chungju deposit	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.)
Danyang County ⓘ Tanyang Mine	pp 158-168 +1 other reference
North Jeolla Province ⓘ Muju County	Kang +2 other references
Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Candelaria Barranco Hondo ⓘ Lava flow	[Columbite-(Fe)] Dill et al. (2023)
Castile and Leon ⓘ Fregeneda–Almendra pegmatite field	Errandonea-Martin et al. (2022) +1 other reference
Salamanca Aldea del Obispo ⓘ Castillejo de Dos Casas	[Columbite-(Mn)] Roda-Robles M E et al. (2014)
Aldehuela de la Bóveda ⓘ Aldehuela de la Bóveda pegmatite	Roda et al. (2001)
Garcirrey ⓘ Julita quarry (Cañada pegmatite)	[Columbite-(Fe)] Encarnación Roda-Robles (2007) +1 other reference
Golpejas ⓘ Golpejas Mining Group	Losantos et al. (2025)
ⓘ La Fregeneda	[Columbite-(Fe)] Encarnación Roda-Robles (2007)
ⓘ Feli deposit	[Columbite-(Mn)] Encarnación Roda-Robles (2007)
Peñaparda ⓘ La Canalita Sn-rich pegmatitic dykes	[Columbite-(Mn)] Llorens et al. (2010) +1 other reference
Pereña de la Ribera ⓘ Puentemocha pegmatite	Roda-Robles et al. (2012)
Villar de la Yegua ⓘ Barquilla Sn-Ge-Cd-Cu-Fe Deposit	[Columbite-(Mn)] Pascua et al. (1997)
Catalonia Girona Alt Empordà Cadaqués ⓘ Cap de Creus	Bareche (2005) +1 other reference
ⓘ El Port de la Selva	& locality references +1 other reference
Community of Madrid Galapagar ⓘ Maribel Mine (Maribel y los 4 Amigos mine)	Jimenez R. et al. (2004)
Guadalix de la Sierra Peña Cervera ⓘ Peña Cervera outcrop	Geominero Museum of Madrid
Extremadura Badajoz Tres Arroyos ⓘ Tres Arroyos pegmatite field	Garate-Olave I et al. (2014)
Cáceres Logrosán ⓘ Sierra de San Cristóbal	Losantos et al. (2025)
Galicia A Coruña Lousame Vilacova ⓘ San Finx Mines	[Columbite-(Fe), Columbite-(Mn)] Garófano-Medina et al. (2021)
Lugo Ourol ⓘ Ponte Segade deposit	Canosa et al. (2011) +1 other reference
Ourense Viana do Bolo ⓘ Penouta mines	[Columbite-(Fe), Columbite-(Mn)] Guldris Leon +2 other references
Pontevedra Forcarei ⓘ Forcarei South pegmatite field	Fuertes Fuente et al. (1998)
ⓘ Presqueira pegmatite	[Columbite-(Fe)] Roza Llera +3 other references
Gondomar Vincios Galiñeiro Complex ⓘ Santa Marina Mine	[Columbite-(Fe), Columbite-(Mn)] NÚÑEZ-GARCÍA et al. (2012)
Lalín ⓘ Lalín pegmatite field	Fuertes-Fuente et al. (2001)
Silleda Fontao mines ⓘ Tiro and Sidón mines	Calvo Rebollar (2009)
Vila de Cruces (Carbia) Fontao mines ⓘ Sidón Mine	Calvo Rebollar (2009)
ⓘ Tiro mine	Calvo Rebollar (2009)
Sri Lanka
Sabaragamuwa Province Ratnapura District ⓘ Ratnapura	[Columbite-(Fe), Columbite-(Mn)] Geeth Sameera et al. (2025)
ⓘ Gem gravels	Ceylon Aluvial Mine (Book, Co. 2002)
Sweden
Dalarna County Falun ⓘ Broddbo	Romer et al. (1997)
ⓘ Kårarvet
Sundborn ⓘ Flinten	www.k1q.net (2003)
Jämtland County Bräcke ⓘ Räggen Pegmatite	Lynch et al. (2025)
Ragunda ⓘ Hälleberget	Lynch et al. (2025)
ⓘ Mårdsjön	Lynch et al. (2025)
Strömsund Hoting ⓘ Lillberget (Lill-Gullberget)	Romer et al. (1994) +1 other reference
Jönköping County Värnamo Forsheda ⓘ Hökhult pegmatite	The Swedish Museum of Natural History ...
Kalmar County Västervik Gamleby ⓘ Olserum	Fullerton (2014)
Norrbotten County Kiruna ⓘ Vassijaure	Romer et al. (1992)
Luleå ⓘ Råneå	[Columbite-(Fe)] E. Welin +1 other reference
ⓘ Mjöfjärden
ⓘ Sörhällan quarry	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Örebro County Askersund Västerby ⓘ Västerby feldspar quarry	The Swedish Museum of Natural History (Naturhistoriska riksmuseet)
Lindesberg Storå Guldsmedshyttan ⓘ Reboda pegmatite	Romer et al. (1997)
Östergötland County Motala Godegård ⓘ Perstorp	Romer et al. (1997)
ⓘ Skrumpetorp	Romer et al. (1997)
Norrköping Kolmården ⓘ Lilla Älgsjö Quarry	[Columbite-(Fe)] Swedish Museum of Natural History (NRM)
ⓘ Stubbetorps Sarvgöl	[Columbite-(Fe)] Sundius (1951)
Stockholm County Haninge ⓘ Ängsholmarna Norra	Smeds et al. (1998)
Norrö ⓘ Norrö Mica Quarry	Smeds et al. (1998)
ⓘ Rånö	Smeds et al. (1998)
ⓘ Kapelludden	Wik et al. (2005)
ⓘ Stora Persholmen	Smeds et al. (1998)
Utö ⓘ Utö Mines	[Columbite-(Mn)] Langhof et al. (1998)
ⓘ Grundberg outcrop	[Columbite-(Mn)] Uher et al. (2008)
Norrtälje ⓘ Väddö
Nynäshamn ⓘ Stora Vika	Nysten (1996) +2 other references
ⓘ Pegmatite A	Gustafsson (1992)
Österåker ⓘ Gruvdalen Mine (Skeppsdal)	Nysten (1996)
Värmland County Torsby S. Finnskoga ⓘ Riddaho	[Columbite-(Mn)] SEM-EDS Andreas Karlsson (sample NRM# 20140340) +2 other references
Västerbotten County Bjurholm ⓘ Balberget	Romer et al. (1997) +1 other reference
Skellefteå ⓘ Åkerberg mine	Grensman et al. (1991) +2 other references
ⓘ Varuträsk	[Columbite-(Mn)] Černý et al. (2004)
ⓘ Ytterbodliden	Romer et al. (1997) +1 other reference
Västernorrland County Kramfors ⓘ Jungfruberget-Sandsvedjan	Lynch et al. (2025)
ⓘ Sels-Vitberget	[Columbite-(Fe)] Jonsson et al. (1997) +1 other reference
ⓘ Tjärned	Lynch et al. (2025)
Örnsköldsvik Sidensjö ⓘ Dyngselet	Romer et al. (1994) +1 other reference
ⓘ Hinnsjön	Lynch et al. (2025)
ⓘ Orrvik	Smeds (1990) +1 other reference
ⓘ Stenbackberget	Lynch et al. (2025)
ⓘ Skorped	Lynch et al. (2025)
Sollefteå ⓘ Gammboberget	Lundqvist et al. (1990)
ⓘ Gammbodberget	Lynch et al. (2025)
ⓘ Rotbäcken	Lynch et al. (2025)
ⓘ Stockberget	Lundqvist et al. (1990) +1 other reference
Sundsvall ⓘ Järkvissle	Smeds (1990) +1 other reference
ⓘ Stugholmen	Sandström et al. (2010)
Västmanland County Köping ⓘ Kolsva	[Columbite-(Fe)] Öhman (2003)
Västra Götaland County Gothenburg Västra Frölunda ⓘ Högsbo quarries	[Columbite-(Mn)] Cerny & Kjellman (unpublished)
Orust ⓘ Skantorp	Romer & Smeds (1996)
ⓘ Timmerhult	[Columbite-(Mn)]
Vänersborg Väne Ryr ⓘ Gundlebo	[Columbite-(Mn)]
ⓘ Skuleboda	[Columbite-(Mn)]
Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Albigna Valley ⓘ Cantun glacier	[Columbite-(Mn)] Stalder et al. (1998)
ⓘ Bondasca Valley	Stalder et al. (1998)
ⓘ Pizzo Trubinasca	[Columbite-(Fe)] Stalder et al. (1998)
Löbbia ⓘ Vallun dal Largh	[Columbite-(Fe)] Stalder et al. (1998)
Stampa ⓘ Drögh dal Frachic	pers. comm. with Silvio Lareida
ⓘ Val Forno	[Columbite-(Fe)] Stalder et al. (1998)
ⓘ Cavloc lake	[Columbite-(Fe)] Stalder et al. (1998)
Muretto Valley ⓘ Muretto Pass	[Columbite-(Fe)] Stalder et al. (1998)
Moesa Region Grono Leggia ⓘ Leggia Valley	[Columbite-(Fe)] Guastoni et al. (2014)
Verdabbio ⓘ Piani di Verdabbio	"Silvano Turati' Collection"
San Vittore Monticello ⓘ Maiò Valley	[Columbite-(Fe), Columbite-(Mn)]
Ticino Locarno Brissago ⓘ Ponte Valley	[Columbite-(Fe)] Weiß (1989) +1 other reference
Centovalli ⓘ Gridone - Monte Limidario area	[Columbite-(Fe)] Weiβ et al. (2007)
ⓘ Ponte Brolla	Stalder et al. (1998)
Tajikistan
Districts of Republican Subordination ⓘ Dara-i-Pioz Massif	[Columbite-(Mn)] I. Pekov data pers. comm L. Horvath 2008
Gorno-Badakhshan Murghob ⓘ Dorozhniy pegmatite	[Columbite-(Mn)] Mirakov M.A. et al. (2018)
Shughnon Shakhdara Range ⓘ Vez-Dara River Valley	Pekov (1998)
Tanzania
Mbeya Region Mbeya Rural District ⓘ Panda Hill	Mineralogical Magazine 32
Thailand
Phang Nga Province ⓘ Khao Kata Kwham batholith	Pollard et al. (1995)
Phrae Province ⓘ Den Chai	Amphon et al. (2024)
Phuket Province ⓘ Kathu District	amdis.bgl.esdm.go.id (2016)
ⓘ Tantikowit mine	Econ Geol (1995)
ⓘ TorSoong mine	Econ Geol (1995)
ⓘ TungTong mine	Econ Geol (1995)
Prachuap Khiri Khan Province ⓘ Nong Sua	[Columbite-(Fe)] Linnen et al. (1993)
Uganda
Central Region Kiboga ⓘ Kbale	[Columbite-(Mn)] von Knorring et al. (1981)
Eastern Region Busia ⓘ Lunyo area	von Knorring et al. (1981)
Western Region Kanungu ⓘ Bulema Mine	von Knorring et al. (1981)
ⓘ Kigezi District	Gallagher (1967)
Ntungamo Ankole pegmatite field ⓘ Byasha	[Columbite-(Mn)] von Knorring et al. (1981)
ⓘ Nyanga Number 2 pegmatite	v. Knorring et al. (1969)
ⓘ Nyanga pegmatite	Bulletin of the Geological Society of ...
ⓘ Rwemeriro	[Columbite-(Mn)] von Knorring et al. (1981)
UK
England Cornwall Mabe ⓘ Chywoon Quarry	[Columbite-(Fe), Columbite-(Mn)] Moulding et al. (2005)
Treverbyn Stenalees ⓘ Gunheath China Clay Pit	[Columbite-(Fe), Columbite-(Mn)] Tindle (2008)
Cumbria ⓘ Caldbeck Fells Mining Region	[Columbite-(Mn)] Stanley et al. (1991)
Eden Mungrisdale ⓘ Carrock Mine	[Columbite-(Mn)] Beddoe-Stephens et al. (1981) +1 other reference
Devon West Devon Okehampton Hamlets ⓘ Meldon Aplite Quarry	[Columbite-(Mn)] Knorring et al. (1984) +1 other reference
ⓘ Meldon Quarry	Day (1999)
Scotland Aberdeenshire ⓘ Glen Lui	Inst. Geol. Sci. Ann. Rept. for 1974 (1975) +1 other reference
Strathdon Glenbuchat ⓘ Peatfold	Jackson (1982)
Outer Hebrides Isle of Lewis and Harris Harris ⓘ Chiapaval	O. von Knorring and R. Dearnley (1960) +1 other reference
Ukraine
Donetsk Oblast Volnovakha Raion ⓘ Dmitrievskii quarry	Sharygin et al. (2011)
Kirovohrad Oblast Holovanivsk Raion ⓘ Stankuvatske Li-deposit	[Columbite-(Fe)] Kurylo et al. (2022) +1 other reference
Zaporizhia Oblast Berdyansk Raion Middle Berda River Rodionovskoe pegmatite field ⓘ Krutaya Balka pegmatite	Shatalov (2017)
Pryazovske Raion ⓘ Chernigovskiy Massif (Chernigovka Massif; Novopoltavskiy Massif)	Ryabchikov et al. (2008)
Eliseevka Eliseevskoe pegmatite field ⓘ Zelenaya Mogila pegmatite	[Columbite-(Fe)] Lazarenko E.K. e.a. Mineralogy of ...
Zhytomyr Oblast ⓘ Korosten Raion
ⓘ Perzhanskoe ore field (Perga Be deposit)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Zhytomyr Raion ⓘ Khoroshiv Raion (Volodarsk-Volynskii)	[Columbite-(Fe)] Bailey (1980) +1 other reference
ⓘ Volyn Pegmatites	Voznyak et al. (2017)
USA
Alaska Yukon-Koyukuk Census Area Hot Springs Mining District ⓘ Deep Creek and tributaries Mine	- (2008)
ⓘ Idaho Gulch Mine	- (2008)
ⓘ Miller Gulch Mine	- (2008)
Arizona Maricopa County Paradise Valley ⓘ Mummy Mountain	[Columbite-(Fe)] Anthony et al. (1995)
White Picacho Mining District San Domingo Wash ⓘ Morning Star Mine (Morning Star prospects; Morning Star pegmatites)	Meeves et al. (1966)
White Tank Mountains White Tank Mountains Mining District ⓘ Arrowhead claim	MRDS file #10092680.
Mohave County Aquarius Mountains Rare Metal Mine area ⓘ Columbite prospect	Heinrich (1960)
ⓘ Water Hole Mine	Meeves et al. (1966)
Pima County Ajo Mining District Chico Shunie Hills Chico Shunie San Antonio group of claims ⓘ Valentine 1 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 2 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 3 claim	[Columbite-(Fe)] Anthony et al. (1995)
Yavapai County White Picacho Mining District ⓘ Friction Mine	Jahns (1952)
Independence Gulch ⓘ Lone Giant pegmatite	Jahns (1952) +1 other reference
ⓘ Midnight Owl Mine	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Picacho View Mine	Jahns (1952)
California El Dorado County ⓘ BBC Mine	Visual ID of material field collected ...
Los Angeles County Kagel Canyon ⓘ Rattlesnake Canyon	Murdoch (1966)
Madera County Ritter Range Devils Postpile National Monument Devils Postpile King Creek ⓘ Reynolds Mine	Irelan et al. (1890a) +1 other reference
Riverside County Cahuilla Mining District Cahuilla Mountain ⓘ Lithia Dike Mine (Lithia Dyke claim)	Geffner and Fisher 1997.
ⓘ Unnamed pegmatite [2] ?	Fisher (1944) +1 other reference
ⓘ Williamson Mine (Coahuila Brave claim; Williamson Silica Mine)	[Columbite-(Fe)] Phil Osborn collection
Little Cahuilla Mountain ⓘ Audrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims)	Fisher (2002)
ⓘ Fano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine)	[Columbite-(Mn)] Pemberton (1983) +1 other reference
ⓘ Schindler Mine (Beryl Crystal claims; Schindler claims; Silica Beryl claims; Silica Beryl group)	Fisher (2002) +1 other reference
Red Mountain ⓘ Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine)	Wright
Chuckwalla Mountains Aztec Well ⓘ Ramar Mine	- (2005)
San Bernardino County Yucca Valley ⓘ California Blue Mine	[Columbite-(Mn)] David Lowe personally analyzed sample ...
San Diego County Aguanga Mountain Mining District (Smith Mountain Mining District) Oak Grove Aguanga Mountain ⓘ Mountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine)	[Columbite-(Fe)] King (n.d.)
Jacumba Tule Mountain (Mount Tule; Tulley Mountain) ⓘ Beebe Hole Mine	Todd et al. (1987)
ⓘ Pack Rat Mine	Fisher (2002) +1 other reference
Mesa Grande Mining District Gem Hill ⓘ Himalaya Mine	[Columbite-(Mn)] Foord (1977)
ⓘ Pala Mining District	[Columbite-(Mn)] Jahns et al. (1951)
Pala Chief Mountain ⓘ Elizabeth R. Mine (Hazel W. claim)	[Columbite-(Mn)] various added photos
ⓘ Oceanview Mine (Oceanview adits; new Oceanview workings)	[Columbite-(Mn)] Mauthner (2024)
ⓘ Oceanview Mine (MS 6452; MS 6848; Ocean View Mine)	[Columbite-(Mn)] description of beryl discovery on ... +2 other references
Hiriart Mountain Vanderberg-Katerina pegmatites ⓘ Katerina Mine	[Columbite-(Fe)] Jahns et al. (1951)
ⓘ Vanderberg Mine	[Columbite-(Fe)] Jahns et al. (1951)
ⓘ White Queen Mine	[Columbite-(Mn)] Novák et al. (2000)
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn) ⓘ Stewart Mine	[Columbite-(Mn)] Fisher (2002)
ⓘ Tourmaline King Mine	San Diego Mining Company (2003)
ⓘ Tourmaline Queen Mine	Fisher (2002)
Ramona Mining District Ramona ⓘ Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect)	[Columbite-(Fe), Columbite-(Mn)] Foord et al. (1989)
Little Three Mine area ⓘ Little Three Mine	[Columbite-(Fe), Columbite-(Mn)] Foord et al. (1989)
Rincon Mining District Rincon Rincon Mountain ⓘ Clark Mine	Rogers (1910b) +4 other references
ⓘ Mack Mine (John Mac mine; Mac mine; San Luis Rey claim)	Kunz (1905) +1 other reference
ⓘ Victor Mine (Big Buck mine; Big Buck prospect)	Rogers
Warner Springs Mining District Chihuahua Valley ⓘ Blue Lady Mine (Blue Tourmaline claim; Blue Bell deposit; Blue Bell mine; Exposition claim; Panama claim; San Diego claim; San Diego group)	[Columbite-(Mn)] Lavinsky (n.d.)
Warner Springs ⓘ Cryo-Genie Mine	[Columbite-(Fe)] Rocks & Minerals +1 other reference
Colorado Boulder County Crystal Mountain ⓘ Mona No. 9 Claim	- (2005)
Left Hand Creek Mining District Highline Prospect ⓘ Columbine Mine	- (2005)
ⓘ New Girl Prospect	Hanley et al. (1950) +1 other reference
Ward Mining District ⓘ Beryl No. 1 Prospect	Eckel et al. (1997)
ⓘ Beryl No. 2 Prospect	Eckel et al. (1997)
Chaffee County La Plata Mining District (Winfield Mining District) ⓘ Middle Mountain complex	[Columbite-(Mn)] Eckel et al. (1997)
ⓘ Mount Antero	Eckel et al. (1997)
Nathrop Upper Browns Creek area ⓘ California Mine	Eckel et al. (1997)
Turret Mining District ⓘ Mica-Beryl Mine (MRDS - 10013705)	[Columbite-(Fe)] Ralph Parkes
ⓘ Shirley group	Meeves et al. (1966)
ⓘ Silver Rocker group	Meeves et al. (1966)
ⓘ Unnamed Pegmatite prospect [1]	Ralph Parkes
Clear Creek County Dailey Mining District (Jones Pass Mining District) ⓘ Henderson Mine	[Columbite-(Fe), Columbite-(Mn)] Freeport-McMoRan
ⓘ Grover Mine (Grover pegmatite; Windsor)	Hanley et al. (1950) +2 other references
El Paso County ⓘ Cheyenne Mining District (St. Peters Dome Mining District)	- (2005)
ⓘ Blue Bird Mine	- (2005)
ⓘ St Peters Dome	[Columbite-(Fe)] Pavel M. Kartashov analytical data (2011)
ⓘ Stove Mountain Mineral Locality (Cook Stove Mountain Mineral Locality)	- (2005)
ⓘ Crystal Park	Eckel et al. (1997)
ⓘ Cameron Cone	Richard Fretterd and Jean Cowman (2016)
ⓘ Crystal Park area	- (2005)
ⓘ Helen Hunt Falls	Eckel et al. (1997)
ⓘ Mount Rosa	Livingston (2020)
ⓘ Pikes Peak	[Columbite-(Fe)] Muntyan et al. (1985)
ⓘ Specimen Rock	Rocks & Minerals 76:298-325
ⓘ Stove Mountain (Cookstove Mountain)	[Columbite-(Fe)] Hanson et al. (2013)
ⓘ Fairview	Eckel et al. (1997)
Fremont County ⓘ Bull Gulch Mica Mine	Meeves et al. (1966)
Cotopaxi Mining District Cotopaxi Cotopaxi Pegmatite area ⓘ Cotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite)	Eckel et al. (1997)
ⓘ Devil's Hole Mine	[Columbite-(Fe)] Eckel et al. (1997)
Eight Mile Park Pegmatite Mining District ⓘ Eight Mile Park	Eckel et al. (1997)
ⓘ Meyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2)	[Columbite-(Mn)] Eckel et al. (1997)
ⓘ Mica Lode Mine (Mica Hill Mine)	[Columbite-(Mn)] Eckel et al. (1997)
ⓘ School Section mine (Shipley Cut; Meyers Cut)	Pearl (1958)
ⓘ Suzanna Mine	Meeves et al. (1966)
ⓘ Gem Park complex	USGS Prof Paper 649 +2 other references
ⓘ Pine Creek drainage (Pine Gulch)	Eckel et al. (1997)
ⓘ Vermiculite Mine (MRDS - 10013422)	USGS Prof Paper 649 +1 other reference
Lookout Mountain Area ⓘ Jim 8 Occurrence	- (2005)
ⓘ Phantom Lode (Phantom Canyon Beryl Prospect; Phantom Canyon Feldspar Mine)	Hanley et al. (1950) +1 other reference
Texas Creek Area ⓘ Chief lithium pegmatite	AMERICAN MINERALOGIST 50:96-104 +1 other reference
Gilpin County Mountain House ⓘ Dory Hill Occurrence	- (2005)
Gunnison County ⓘ Bonus Extension Occurrence	- (2005)
Quartz Creek Pegmatite Mining District ⓘ Brown Derby Mine	[Columbite-(Fe)] Rocks & Min.: 24:233-234. +1 other reference
ⓘ Brown Derby No. 1	[Columbite-(Fe), Columbite-(Mn)] King (n.d.) +1 other reference
ⓘ Brown Derby No. 2	Eckel et al. (1997)
ⓘ Bucky pegmatite (New Anniversary; Willow Creek)	Meeves et al. (1966)
ⓘ Monazite claims	Eckel et al. (1997)
ⓘ Monzonite Mine	Meeves et al. (1966)
ⓘ Opportunity Mine	USGS Proffesional Paper 265 +3 other references
ⓘ White Spar No. 1 Mine	USGS Proffesional Paper 265 +2 other references
White Earth Mining District (Powderhorn Mining District) ⓘ Iron Hill deposit	Eckel et al. (1997)
ⓘ Jefferson County	[Columbite-(Fe)]
Clear Creek pegmatite Province ⓘ Bigger Mica Mine (Sweitzer Lode)	Hanley et al. (1950) +1 other reference
ⓘ Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine)	[Columbite-(Fe)] Buckskin Minerals
ⓘ Cressmans Gulch Mine (Cressmans Gulch pegmatite)	Meeves et al. (1966)
ⓘ Silver Glen Ranch Mine	[Columbite-(Mn)] Meeves et al. (1966)
ⓘ Soda Creek School Mine (Soda Creek School pegmatite)	Meeves et al. (1966)
ⓘ Tall Timber group	Meeves et al. (1966)
ⓘ Wasson Ranch Mine (Rainbow Hills Pegmatite; Wasson Ranch Pegmatite)	Meeves et al. (1966)
Indian Hills ⓘ Hinman Mine	[Columbite-(Mn)] Eckel et al. (1997)
South Platte Pegmatite Mining District ⓘ Little Patsy pegmatite	[Columbite-(Fe)] www.mindat.org (2016) +2 other references
ⓘ Luster No. 1 pegmatite (Lester pegmatite; Oregon No. 3 pegmatite; Ytrrium No. 1 pegmatite)	Eckel et al. (1997)
ⓘ White Cap pegmatite	Eckel et al. (1997)
ⓘ Turkey Creek	Eckel et al. (1997)
ⓘ Wigwam Creek	[Columbite-(Mn)] Eckel et al. (1997)
Lake County Climax Mining District Climax ⓘ Climax Mine	[Columbite-(Mn)] Freeport-McMoRan
Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) ⓘ Buckhorn Mica Mine (Claim: Emerald Gem)	Rocks & Min.:62:236. +1 other reference
ⓘ Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine)	[Columbite-(Mn)] Eckel et al. (1997)
ⓘ Cojade Mine	Meeves et al. (1966)
ⓘ Crystal Silica Mine	Hanley et al. (1950) +1 other reference
ⓘ Double Opening Prospect	Eckel et al. (1997)
ⓘ Hyatt Ranch Mine (Hyatt Mine)	Eckel et al. (1997)
ⓘ Sherwood Place prospect	Eckel et al. (1997)
Prairie Divide Mining District (St. Cloud Mining District) ⓘ Red Head Claim (Paradox pegmatite)	- (2005)
ⓘ Marshall Pass Mining District	Eckel et al. (1997)
Micanite Mining District (Currant Creek Mining District) ⓘ Rose Dawn Mine (Rose Dawn Mica Mine; North Mine)	[Columbite-(Mn)] Eckel et al. (1997)
Moffat County ⓘ Fourmile Mining District (Timberlake Creek Mining District)	- (2005)
ⓘ Joker Pit	- (2005)
Great Divide Area ⓘ Housel Gulch Placer	Eckel et al. (1997)
Timberlake ⓘ Tipton Tongue placers	Eckel et al. (1997)
Park County ⓘ Big Sheep Horn Mine	Meeves et al. (1966)
ⓘ Crystal Peak area	[Columbite-(Fe)] Eckel et al. (1997)
Guffey Mining District ⓘ East-West Pegmatite Occurrence (West-West Pegmatite)	Beaver +1 other reference
ⓘ Meyers Ranch	Hanley et al. (1950) +1 other reference
ⓘ McGuire pegmatite (Lone Lode; Lonesome pegmatite)	[Columbite-(Fe)] AmMin 84:754-763
ⓘ Park Border claim	[Columbite-(Mn)] Analyzed by Skip Simmons July 2012
Tarryall Park Spruce Grove campground ⓘ pegmatite	Eckel et al. (1997)
Tarryall Springs Mining District (Puma City) ⓘ Christie Ward-Lucky Thirteen Mine	Meeves et al. (1966)
ⓘ Redskin Stock	Eckel et al. (1997)
ⓘ Topaz Mountain Gem Mine (Matucat Road deposits)	[Columbite-(Fe)] Dorris (2007)
ⓘ Wellington Lake pegmatite	Rhiana E. Henry et al. (2016) +1 other reference
Teller County ⓘ Black Cloud Mine	Meeves et al. (1966)
ⓘ Crystal Peak	[Columbite-(Fe)] Eckel et al. (1997)
ⓘ Ray Ziegler pegmatite pocket	Blasi et al. (1984)
ⓘ Smoky Hawk claim	[Columbite-(Fe)] Joseph Dorris (2016)
ⓘ Wild Blue Indian prospect	[Columbite-(Fe)] Mathew Crystalman
Connecticut Fairfield County Bethel ⓘ Biermann Quarries (Bethel quarries; Codfish Hill Quarry)	Januzzi et al. (1976) +1 other reference
Brookfield ⓘ State Route 133	J. Zolan Specimen #93
Danbury ⓘ Agstone Company Limestone Quarry	Januzzi et al. (1976) +1 other reference
Monroe ⓘ East Village pegmatite prospect	Weber et al. (1995)
Newtown ⓘ Captain Cook's Quarry (Purdy Station Quarry)	Earle C. Sullivan Collection specimen ... +1 other reference
ⓘ Redding	Manchester (1931)
Branchville ⓘ Fillow Quarry	[Columbite-(Fe)] Cameron +6 other references
Ridgefield ⓘ Casey Quarry (Ridgefield pegmatite)	Januzzi et al. (1976)
Hartford County Glastonbury East Glastonbury ⓘ Brack Gem prospect (Brack prospect)	Jarnot (1995)
ⓘ Hale's Quarry	Dana 6:892 & 1060.
ⓘ Knob Hill Quarry	Schooner (1958)
South Glastonbury ⓘ Eureka Quarries ?	Betts (1999)
ⓘ Griswold Quarry	Betts (1999)
ⓘ Hollister prospects	Betts (1999)
ⓘ Howe Quarry (Howe #1 Quarry; Huspband Quarry)	[Columbite-(Fe)] Betts (1999)
ⓘ Husband Quarries	Betts (1999)
ⓘ Pegmatite prospects ?	Betts (1999)
ⓘ Simpson prospect #1	[Columbite-(Fe), Columbite-(Mn)] Tony Albini Collection
ⓘ Simpson Quarry (Wiarda Quarry)	[Columbite-(Fe)] P. Cristofono collection
ⓘ Spinelli prospect (Spinelli quarry)	[Columbite-(Fe)] Davis (2011) +1 other reference
Litchfield County Canaan Falls Village ⓘ Barrack Mountain	Former Ed Force collection.
ⓘ Morris	Weber et al. (1995)
ⓘ Morris Dam Quarry (East Morris Dam)	Weber et al. (1995)
New Milford Upper Merryall ⓘ Roebling Quarry	[Columbite-(Fe)] Elwell (1937)
Woodbury ⓘ Woodbury pegmatite quarry (Judson Quarry)	Moritz (n.d.) +1 other reference
Middlesex County ⓘ Durham	Personally collected by Adam Berluti in ...
ⓘ Mica Hills pegmatites and prospects	Moritz (n.d.)
East Haddam Moodus ⓘ Mt. Tom prospects	Schooner (1961)
East Hampton ⓘ Anderson No. 1 Mica Mine	[Columbite-(Mn)] Anthony J. Albini collection
ⓘ Anderson No. 2 Mica Mine ?	[Columbite-(Fe)] Tony Albini Collection
ⓘ Becker Quarry	Schooner (1958, 1961)
ⓘ Clark Hill prospect	Moritz (n.d.)
Cobalt ⓘ State Forest Quarry No. 2	[Columbite-(Fe)] King (n.d.)
ⓘ Halberg Quarries (Eureka Quarry; Cook Quarry; Gem Stone Quarry)	Sterrett (1916)
ⓘ Hurd State Park quarries	Ryerson (1972)
ⓘ Nathan Hall Quarry	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Slocum prospect	[Columbite-(Fe)] Rocks & Min.: 12:145. +2 other references
ⓘ State Forest Quarry No. 1	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Worth and Selden Quarries (Victoria Quarry)	Cameron et al (1954)
Haddam ⓘ Arnold Quarry	Harold Moritz collection (former Ronald Januzzi collection)
ⓘ Chrysoberyl locality	[Columbite-(Fe)] Torrey (1822a) +2 other references
ⓘ Civilian Conservation Corps prospect (CCC prospect; Cook columbite prospect)	[Columbite-(Fe)] Hunt (1852)
Haddam Neck ⓘ Gillette Quarry (J-J Mine; Haddam Neck Quarry)	[Columbite-(Fe)] Bowman (1902) +1 other reference
ⓘ Quarry Hill (Brainerd Quarries; Shailor Quarries)	Moritz (n.d.)
ⓘ Rock Landing Quarry (Capt. Rohrback Quarry)	[Columbite-(Fe)] Montague (1937) +1 other reference
ⓘ Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)	Moritz (n.d.)
ⓘ Jail Hill Road locality (Jail Hill Quarry)	Moritz (n.d.)
ⓘ John Salak Quarry	[Columbite-(Fe)] Schairer (1931)
ⓘ Nathaniel Cook house	Shepard et al. (1870) +1 other reference
ⓘ State Route 9 Interchange 13 - Beaver Meadow Road	Yedlin (1967)
Middletown ⓘ Tollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry)	[Columbite-(Fe)] Dana (1837) +2 other references
White Rock Mining District ⓘ Riverside Quarry (Western Quarry)	[Columbite-(Fe)] Moritz (n.d.)
ⓘ White Rocks Quarry (Consolidated Quarry)	[Columbite-(Fe)] Moritz (n.d.) +1 other reference
Portland ⓘ Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry)	[Columbite-(Fe)] Rocks & Min.: 16: 164-167. +2 other references
ⓘ Bordonaro Quarry	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Case Quarries	[Columbite-(Fe)] Cameron et al. (1954)
ⓘ Case Quarry No. 1	[Columbite-(Fe)] Harold Moritz Collection
ⓘ Case Quarry No. 2	[Columbite-(Fe)] Webster (1978)
ⓘ Case Quarry No. 3	[Columbite-(Fe)] Cameron et al. (1954)
Collins Hill ⓘ Hale-Walker prospects	Cameron et al. (1954) +2 other references
ⓘ Strickland pegmatite	[Columbite-(Mn)] Vandall Thomas King Collection
ⓘ Strickland Quarry	[Columbite-(Fe)] Ralph Lieser of Pappy’s Beryl Shop +3 other references
ⓘ Hale Quarry (Andrews Quarry; Glastonbury Quarry)	[Columbite-(Fe)] Foye (1922) +1 other reference
ⓘ Pelton's Quarry	Rocks & Min.: 70:403
ⓘ Penfield Quarry (Oak Leaf Quarry)	[Columbite-(Fe)] Rocks & Min.: 12:145. +1 other reference
ⓘ Walden Gem Quarry	[Columbite-(Fe)] Seaman (1963)
New Haven County Southbury Southford ⓘ Curtis Quarry	Weber et al. (1995) +1 other reference
New London County ⓘ New London ?	Dana's System of Mineralogy 7th edition ...
ⓘ Columbite locality (Nameaug; Nautneauge; Naumeag; Naumeaug) ?	Mease (1807)
Georgia Banks County ⓘ J. A. Hills property	Cook (1978)
Cherokee County Ball Ground Mining District Ball Ground ⓘ Amphlett Mica Mine (Franklin Mine)	[Columbite-(Fe)] Rocks & Min.:64:189.
Fayette County ⓘ Porter Prospect	- (2005)
Paulding County Hiram ⓘ C. W. Dean Mine (Dean Mine)	[Columbite-(Fe)] Rocks & Min.:64:202.
Putnam County ⓘ Camp Rock Eagle	Cook (1978)
Troup County LaGrange ⓘ Minerals Processing Company Mine (Foley Mine)	[Columbite-(Fe)] Rocks & Min.: 64:204.
ⓘ Minerals Processing Company Mine No. 8 (Hogg Estate Mine)	[Columbite-(Fe)] Rocks & Minerals 81:180-186
ⓘ Will Stevens property	Cook (1978)
Smiths Crossroad ⓘ Hogg Mine (Oxford Mine)	[Columbite-(Fe)] USGS GEOLOGICAL SURVEY PROFESSIONAL ...
ⓘ L. M. Mulky property	Cook (1978)
Idaho Boise County ⓘ Boise Basin Mining District	Ream (1995)
ⓘ Fall Creek Placers	Ream (2004)
Garden Valley Mining District ⓘ Bowman prospect	Ream (1995)
ⓘ Mirandeborde prospect	Ream (1995)
ⓘ Vaught - Columbite Mine (Elsie Mica Claim; Peck; Columbite)	Ream (1995)
Idaho City Mining District ⓘ Elk and Moores Creeks	Ream (2004)
ⓘ Idaho City	Ream (1995)
ⓘ Idaho City Hg-Coltan occurrence	- (2005)
ⓘ Moores Creek Dredging Company Mine	Ream (2004)
Redfish Lake area Unorganized District ⓘ Payette placer	Ream (2004)
Elmore County Rocky Bar Mining District ⓘ Dismal Swamp Placer Mine	USGS Bull 1042K +1 other reference
Idaho County Resort Mining District ⓘ Thorpe Placer (Robert; Thorpe; Toler and Thorp; Royal)	- (2005)
ⓘ Sawtooth Batholith	[Columbite-(Fe)] Rocks & Min. 70:246 +3 other references
Valley County Bear Valley Area ⓘ Little Brown Jug	- (2005)
ⓘ Samarskite	- (2005)
Unorganized District ⓘ Bear Valley Placers	- (2005)
ⓘ Bear Valley Placer	- (2005)
Deadwood Mining District ⓘ Deadwood Placer Deposit	- (2005)
ⓘ Heavy Mineral Placer	- (2005)
Maine Androscoggin County Auburn East Mount Apatite Mining District ⓘ Greenlaw Quarry	[Columbite-(Mn)]
ⓘ Maine Feldspar Quarry	[Columbite-(Mn)]
ⓘ Turner Quarries	[Columbite-(Fe)] King (n.d.)
West Mount Apatite Mining District ⓘ Groves Quarry (Hole in the Ground Quarry)	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Keith Quarry (Towne Quarry)	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Pulsifer Quarry & Dionne extension	[Columbite-(Fe), Columbite-(Mn)] Rocks and Minerals (1997)
Minot ⓘ Minot #2 prospect	[Columbite-(Fe)] Clifford Trebilcock
ⓘ Pitts-Tenney pegmatite prospect	[Columbite-(Fe)] King (n.d.) +1 other reference
Poland ⓘ Berry-Havey Quarry	[Columbite-(Fe), Columbite-(Mn)] Jeffrey Morrison et al. (2018)
Aroostook County T15 R6 WELS Pennington Mountain ⓘ REE-Nb-Zr occurrence	Wang et al. (2023) +2 other references
Cumberland County Baldwin West Baldwin ⓘ Estes Quarry	[Columbite-(Fe)] Rocks & Min. (May, 1999) +1 other reference
Brunswick ⓘ LaChance Quarry	[Columbite-(Fe)] Cameron +2 other references
Pownal ⓘ Tash Ledge locality	[Columbite-(Fe)] Morrill
ⓘ Tryon Mountain Quarries	[Columbite-(Fe)] King et al. (1994)
Standish Oak Hill area ⓘ Oak Hill columbite locality	[Columbite-(Fe)] King et al. (1994)
Franklin County D Township ⓘ Bemis Stream prospect	[Columbite-(Mn)] W. B. Thompson et al. (2005)
Oxford County Albany ⓘ Bumpus Quarry	[Columbite-(Fe)] King (2009)
ⓘ Charles Pingree Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Guy Johnson Quarry	[Columbite-(Fe)] King (2009)
ⓘ Scribner Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Songo Pond Quarry (Kimball Ledge Quarry)	[Columbite-(Fe)] King (2009)
ⓘ Wentworth Quarry	[Columbite-(Fe)] King (2009)
Buckfield ⓘ Bennett Quarry	[Columbite-(Mn)] King (2000)
ⓘ Orchard Quarry	[Columbite-(Fe)] SEM-EDS analysis of the ferrocolumbite +2 other references
Gilead ⓘ Wheeler Quarries	[Columbite-(Fe)] King (2009)
Greenwood ⓘ Hayes Ledge Quarries (East and West)	[Columbite-(Fe)]
ⓘ Heikkinen Quarry	[Columbite-(Fe)] King (n.d.)
ⓘ Noyes Mountain Quarry (Harvard Quarry)	[Columbite-(Mn)] Scott Whittemore
ⓘ Tamminen Quarry	[Columbite-(Mn)] W. B. Thompson et al. (2005)
Uncle Tom Mountain ⓘ Emmons Quarry	[Columbite-(Fe), Columbite-(Mn)] Falster et al. (2006) +2 other references
ⓘ West Greenwood prospect	Gary Powell
Hebron Mount Rubellite ⓘ Hibbs Quarry	[Columbite-(Fe)] King (n.d.) +2 other references
ⓘ Mount Rubellite Quarries	[Columbite-(Mn)] King (n.d.)
ⓘ Streaked Mountain	Gary Powell
ⓘ Streaked Mountain localities	various added photos
Newry ⓘ Bell pit	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Crooker Gem Pegmatite Quarries	[Columbite-(Fe), Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Dunton Gem Quarry	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Kinglet Prospect	[Columbite-(Fe)] Hess et al.
ⓘ Nevel Quarry	[Columbite-(Fe)] King et al. (6)
ⓘ Plumbago North Pegmatite	[Columbite-(Fe), Columbite-(Mn)] Simmons et al. (2022)
ⓘ Rose Quartz crystal locality (Pegmatite 24)	[Columbite-(Fe)] King et al. (6) +1 other reference
ⓘ Timberlands Lithium Pegmatite Prospect	[Columbite-(Fe)] King (n.d.)
Norway ⓘ B.B. No. 7 Quarry	[Columbite-(Mn)]
ⓘ Dunn Quarry	[Columbite-(Fe)] King (2000)
ⓘ Horse Hill locality	[Columbite-(Fe)] King (n.d.)
Paris ⓘ Hooper Ledge Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Little Singepole Mountain prospects	Cameron +1 other reference
ⓘ Mount Marie Quarries	[Columbite-(Fe), Columbite-(Mn)] King (n.d.)
ⓘ Mount Mica Quarry	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Ryerson Hill Quarries	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Slattery Quarry	[Columbite-(Fe)] King (n.d.)
Peru ⓘ Perry Petalite prospect	[Columbite-(Fe), Columbite-(Mn)] Dionne et al. (2014)
Rumford ⓘ Black Mountain Quarry	[Columbite-(Fe), Columbite-(Mn)] Wise +1 other reference
ⓘ Frank Perham prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Goddard Ledge Quarry (Ford Hill Quarry; Roy Ledge Quarry; Silver Ledge Quarry)
ⓘ Lookout Quarry	[Columbite-(Fe)] Tim Blake and Scott Soucey specimens
ⓘ Pechnic prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Red Hill quarries	[Columbite-(Fe)] King (n.d.)
Stoneham ⓘ Cole Quarry	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Lord Hill Quarry (Lord Hill Mine)	[Columbite-(Fe)] Bastin (1911) +1 other reference
Sugarloaf Mountain ⓘ Beryllonite locality	Bastin (1911)
Stow ⓘ Deer Hill	[Columbite-(Fe)] King et al. (1994)
ⓘ Intergalactic Pit	[Columbite-(Fe)] King (n.d.)
Waterford ⓘ Knight #1 and #2 Quarries	[Columbite-(Fe)] Barton (1968) +1 other reference
ⓘ Saunders Mica Quarry	[Columbite-(Fe)]
Sagadahoc County Bowdoin ⓘ Booker West Quarry	[Columbite-(Fe)] John Raymond
ⓘ Coombs Quarries	[Columbite-(Fe)] Cameron +2 other references
Georgetown ⓘ Howard-Collins Quarry	[Columbite-(Fe), Columbite-(Mn)] King et al. (1994)
Phippsburg ⓘ Robbins Quarry	[Columbite-(Fe)] Morrill
Topsham Cathance River Nature Preserve ⓘ Swamp #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Swamp #2 quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Fisher Quarry	[Columbite-(Fe), Columbite-(Mn)]
Highland Green ⓘ Consolidated #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Consolidated #2 Quarry (Purington Quarry)	[Columbite-(Fe)] King et al. (1994)
ⓘ Mount Ararat Quarries	[Columbite-(Fe)] Bastin (1911) +2 other references
ⓘ Metcalf Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Porcupine Hill Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Russell Brothers Quarry	[Columbite-(Fe)] Cameron +2 other references
ⓘ Standpipe Hill Quarries	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Yedlin Locality	[Columbite-(Fe)] Moritz (n.d.) +1 other reference
ⓘ Staples Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Trenton Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ William Willes #1 Quarry	[Columbite-(Fe)]
Maryland Howard County Scaggsville ⓘ Ben Murphy Mica Mine	Mines of the Washington D.C Area
Massachusetts Essex County Andover ⓘ Routes 125 and 28 interchange road cuts	Gleba (2008)
Franklin County ⓘ Northfield	Emerson (1917)
Hampden County Blandford ⓘ Blandford mica mines	"Western Massachusetts Mineral ...
Chester ⓘ Chester Mica Mine	Plante (1992)
Hampshire County Chesterfield ⓘ Clark Ledge pegmatite locality	[Columbite-(Fe), Columbite-(Mn)] "Western Massachusetts Mineral ...
ⓘ West Chesterfield Hollow pegmatite locality	Emerson (1917)
Goshen ⓘ Barrus farm pegmatite localities	[Columbite-(Mn)] Peter Cristofono collection
Huntington (Norwich) ⓘ Walnut Hill Pegmatite prospect	Rocks & Min. 29:339-43. (1954)
Middlesex County Holliston ⓘ Miller Hill Quarry (Jursek's Crushstone Quarry)	Cahoon (1985)
Norfolk County Braintree ⓘ Gun Club Pegmatite locality	[Columbite-(Fe)] Ex: Andrew Abban Collection 1993
Worcester County Fitchburg ⓘ Rollstone Hill Quarries ?	Rocks & Min.: 13:245.
Leominster ⓘ Long Hill	Richmond et al. (1938)
ⓘ Sterling	Richmond et al. (1938)
Michigan ⓘ Dickinson County	Heinrich et al. (2004)
Randville ⓘ Unnamed Pegmatite quarry ("Groveland" pegmatite)	[Columbite-(Fe)] Heinrich et al. (2004) +1 other reference
ⓘ Sturgeon River Pegmatite Quarry	[Columbite-(Fe)] Personally collected and observed in ...
ⓘ Marquette County	Heinrich et al. (2004)
Humboldt Township ⓘ Black River pegmatite	[Columbite-(Fe)] Columbite- (Fe)
ⓘ Crockley pegmatite	[Columbite-(Fe)] Heinrich et al. (2004)
ⓘ Unnamed outcrop (2)	[Columbite-(Fe)] Heinrich et al. (2004)
Republic ⓘ Humboldt granite	[Columbite-(Fe)] Buchholz et al. (2013)
Republic Township Republic ⓘ Unnamed pegmatite (3)	[Columbite-(Fe)] Heinrich et al. (2004)
Montana Hill County ⓘ Bearpaw Mountains	Ransom (1974)
Ravalli County Mineral Point Mining District Alta ⓘ Dark Star group (Dark Star claim; Sheep Creek Adit No. 1; Sheep Creek Adit No. 2)	[Columbite-(Fe)] Tucker (n.d.) +2 other references
ⓘ Beaver Creek Occurrence	- (2005)
ⓘ Columbine claims (Columbite Occurrence (MRDS - 10221637))	[Columbite-(Fe)] Gobla (2012)
ⓘ Rocky Point No. 1 Occurrence	Heinrich et al. (1961)
ⓘ Sheep Creek	Heinrich et al. (1962) +1 other reference
ⓘ Tirebiter No. 5 & No. 6 prospect (Tirebiter claim; Mona Lisa)	[Columbite-(Fe)] Gobla (2012)
ⓘ Woods Creek Deposits	- (2005)
Rye Creek Mining District ⓘ Mace Prospect (Long Prospect)	[Columbite-(Fe)] Tucker (n.d.) +1 other reference
ⓘ Rye Creek Prospect	- (2005)
Nevada Clark County ⓘ Eldorado Mountains	[Columbite-(Fe)] Castor et al. (2004)
Eldorado Mining District (Colorado Mining District) ⓘ Newberry prospect	[Columbite-(Fe)] Castor et al. (2004)
ⓘ Gold Butte Mining District	Castor et al. (2004)
New York Mountains Crescent Mining District ⓘ Superior-Nevada Mine	Castor et al. (2004)
ⓘ Newberry Mountains	[Columbite-(Fe)] Castor et al. (2004)
Elko County ⓘ Gilbert Canyon Mining District	LaPointe et al. (199)
ⓘ Unnamed Beryl prospect (MRDS10045568)	- (2005)
ⓘ Unnamed prospect	USGS Open-File Report 76-56 +1 other reference
ⓘ Unnamed prospect (2)	USGS Open-File Report 76-56
Harrison Pass Mining District ⓘ Star Tungsten Mine (Star Mine; Ogilvie Mine; Harrison Pass Mine)	Castor et al. (2004)
Ruby Valley Mining District ⓘ M. W. Young property	Castor et al. (2004)
Esmeralda County Tokop Mining District Tule Canyon ⓘ Unnamed placers	Castor et al. (2004)
Mineral County Fitting Mining District Gillis Range ⓘ Zapot Pegmatite	[Columbite-(Mn)] Foord et al. (1999)
Washoe County ⓘ Dogskin Mountain Mining District	[Columbite-(Fe)] Russ Rizzo Collection (analyzed by J. Attard)
White Pine County Robinson Mining District Ely ⓘ Garnet Hill	[Columbite-(Fe)] Castor et al. (2004)
New Hampshire Carroll County Albany Blue Mountain ⓘ Moose pocket	[Columbite-(Fe)] Rocks & Min. July-Aug 2005 +1 other reference
ⓘ Government pit	[Columbite-(Mn)] Rocks&Min. 67:158-168
ⓘ Pyrochlore pocket	[Columbite-(Fe)] Rocks & Minerals (1990)
Conway North Conway ⓘ Black Cap	[Columbite-(Fe)] Camp (2011)
Redstone ⓘ Redstone "Red Granite" quarry	[Columbite-(Fe)] Camp (2011)
Wakefield ⓘ Ham and Weeks Mine	[Columbite-(Fe), Columbite-(Mn)] Rocks & Min. 80:256 (2005)
Cheshire County ⓘ Alstead	Meyers et al. (1956)
ⓘ George Porter Quarry ?
Marlow ⓘ Turner Mine	[Columbite-(Mn)] Czaja (2025)
Walpole ⓘ Chickering Mine	[Columbite-(Mn)] Cristofono (n.d.)
Grafton County Alexandria ⓘ E.E. Smith Mine	[Columbite-(Fe)] Morrill +1 other reference
ⓘ Bullock Quarry	Cameron et al. (1954)
ⓘ Pattuck Quarry	[Columbite-(Fe)] Morrill +2 other references
Grafton ⓘ Ruggles Mine	[Columbite-(Fe)] Morrill +1 other reference
Groton ⓘ Palermo No. 1 Mine	[Columbite-(Fe)]
ⓘ Palermo No. 2 Mine	[Columbite-(Fe)] Whitmore et al. (2004)
ⓘ Rice Quarry	Rocks & Min 80:252
ⓘ Valencia Mine	[Columbite-(Fe)] Smith (2005)
Merrimack County ⓘ Andover	Meyers et al. (1956)
Rockingham County ⓘ Epping	Lavinsky (n.d.)
Raymond ⓘ Blake-Welch Mines	Smith (2005)
ⓘ Chandler Mine	[Columbite-(Fe), Columbite-(Mn)] USGS Prof Paper 353 +2 other references
ⓘ Corson Mine	Nicolay & Stone. Rocks and Minerals: A ... +1 other reference
ⓘ Guinae prospect	USGS Prof Paper 353
ⓘ McGall mine	USGS Prof Paper 353
ⓘ Smith No. 1 Mine	Nicolay & Stone. Rocks and Minerals: A ... +3 other references
ⓘ Vacher Mine	USGS Prof Paper 353 +1 other reference
Strafford County Farmington ⓘ Chesley Mountain prospect
Strafford ⓘ Parker Mountain Mine	[Columbite-(Mn)] Rocks & Min. 39:355 (1964)
Sullivan County ⓘ Acworth	[Columbite-(Fe)] King (n.d.)
South Acworth ⓘ Beryl Mountain Quarry ?	Jeremy Zolan Collection +1 other reference
Claremont ⓘ Sargent Mine	Smith (2005)
Unity ⓘ Lemiere prospect	Barton (1968)
New Jersey Sussex County Vernon Township McAfee ⓘ McAfee Quarry ?	[Columbite-(Fe)] van Rossen (2026)
New Mexico Grant County ⓘ Rabb Canyon	[Columbite-(Fe)] Northrup
Mora County ⓘ Pidlite deposit	Northrop et al. (1996)
Rio Arriba County Bromide No. 2 District Kiawa Mountain Kiawa Group (Kiawa; South Kiawa; Buena Vista; Green Peak) ⓘ Kiawa Mine	- (2005)
ⓘ De Aragon deposit	Jahns (1946)
Ojo Caliente Mining District ⓘ Joseph mine	Jahns (1946) +1 other reference
ⓘ Petaca Mining District	[Columbite-(Mn)] Northrop et al. (1996) +1 other reference
Alamos area ⓘ Alamos deposit (Parker deposit)	[Columbite-(Mn)] Michael N. Spilde et al. (2011)
ⓘ Alto deposit	Jahns (1946)
ⓘ Carmelita deposit	Jahns (1946)
ⓘ Guadalupe deposit	Jahns (1946)
ⓘ Hillside deposit	Jahns (1946)
ⓘ Little Julia deposit	Jahns (1946)
ⓘ Little Julia No. 1 deposit	Jahns (1946)
ⓘ Red claim (Peacock claim)	Jahns (1946) +1 other reference
ⓘ Sunnyside mine	Jahns (1946) +2 other references
ⓘ White Pegmatite (Lyons deposit)	Jahns (1946) +1 other reference
Cribbenville area ⓘ Blanca deposit	Jahns (1946)
ⓘ Bluebird No. 2 deposit	Jahns (1946)
ⓘ Bonanza deposit	Jahns (1946)
ⓘ Capitan deposit	Jahns (1946) +1 other reference
ⓘ Cribbenville deposit (New Cribbenville)	Jahns (1946) +1 other reference
ⓘ Fleetland deposit	Jahns (1946)
ⓘ Fridlund deposit	Jahns (1946) +2 other references
ⓘ Gabaldone deposit (Gavalon)	Jahns (1946)
ⓘ Nambe deposit	Jahns (1946) +1 other reference
ⓘ North Cribbenville deposit (Old Cribbenville; Cribbens deposit)	Jahns (1946) +1 other reference
ⓘ Pavo deposit	Jahns (1946)
ⓘ Pino Verde deposit (Luna deposit)	Jahns (1946) +2 other references
ⓘ Teddy deposit	Jahns (1946)
ⓘ Teddy No. 2 deposit	Jahns (1946)
La Jarita-Apache area ⓘ Apache No. 1 Mine (Porter; Blue)	Jahns (1946) +2 other references
ⓘ Blue Bird deposit	Jahns (1946)
ⓘ Coats Pegmatite (American)	Jahns (1946)
ⓘ Conquistidor deposit (Augusta deposit)	Jahns (1946)
ⓘ Coyote deposit (California deposit)	Jahns (1946)
ⓘ El Contento deposit	Jahns (1946)
ⓘ Etter deposit	Jahns (1946)
ⓘ Keystone-Western deposit	Jahns (1946)
ⓘ La Jarita deposit	Jahns (1946)
ⓘ Lone Wolf deposit (Silver Dollar)	Jahns (1946)
ⓘ Lonesome deposit	Jahns (1946) +1 other reference
ⓘ Mary deposit	Jahns (1946)
ⓘ Mica Lode deposit	Jahns (1946)
ⓘ Navajo deposit (Summit; Highland)	Jahns (1946)
ⓘ North Star deposit (Miller deposit)	Jahns (1946)
ⓘ Pinos Altos deposit	Jahns (1946)
ⓘ Queen deposit	Jahns (1946)
ⓘ Sandoval deposit (Old Black Horse; Kentucky)	Jahns (1946)
ⓘ Silver Plate deposit	Jahns (1946)
ⓘ St Joseph deposit	Jahns (1946)
ⓘ Unnamed prospect (1)	Jahns (1946)
ⓘ Vestegard Pegmatite	Jahns (1946)
ⓘ Werner deposit	Jahns (1946)
ⓘ Wyoming deposit	Jahns (1946)
La Madera-Paloma Canyon area ⓘ El Floto deposit	Jahns (1946)
ⓘ La Paloma deposit	[Columbite-(Mn)] Michael N. Spilde et al. (2011)
ⓘ Lower Alamos Canyon deposit	Jahns (1946)
ⓘ Paloma Canyon deposit	Jahns (1946)
ⓘ Peno Blanco deposit	Jahns (1946)
Las Tablas ⓘ Buena Vista deposit	Jahns (1946)
ⓘ Kiawa Pegmatites	Jahns (1946) +1 other reference
ⓘ South Kiawa	Jahns (1946)
Persimmon Peak-Las Tablas Group ⓘ Alma deposit (Kansas City deposit)	Jahns (1946) +1 other reference
ⓘ Canary Bird Pegmatite	Jahns (1946)
ⓘ Eureka deposit (Loma deposit)	Jahns (1946)
ⓘ Meadow deposit	Jahns (1946)
ⓘ Silver Spur deposit (Old Eureka; Hoyt-Seward; Las Tablas)	Jahns (1946)
South Petaca ⓘ Globe pegmatite (Globe Mine)	[Columbite-(Mn)] Northrop et al. (1996) +1 other reference
San Miguel County Elk Mountain Mining District ⓘ Cow Creek	Jahns (1946)
ⓘ Elk Mountain deposit (Kept Man deposit)	Jahns (1946) +1 other reference
ⓘ Guy no. 1 deposit	Jahns (1946) +2 other references
Tecolote District ⓘ Guy-Stern deposit	U.S. Geological Survey staff (1965)
ⓘ Old Priest mine	Northrop et al. (1996) +1 other reference
Santa Fe County ⓘ Aspen Ranch Pegmatite Deposit	- (2005)
ⓘ Santa Fe District	[Columbite-(Mn)] Northrop et al. (1996)
Dalton Creek ⓘ Pegmatites	Elston (1968)
Taos County Picuris District ⓘ Harding Mine	[Columbite-(Mn)] Northrop et al. (1996)
ⓘ Owen-Roybal Group	- (2005)
ⓘ New York	Manchester (1931)
New York City Manhattan (New York County) ⓘ 185th Street & Harlem Speedway (Harlem River Drive)	[Columbite-(Fe)] John H. Betts (2009)
Washington Heights ⓘ Fort George (192nd Street & Audubon Avenue)	[Columbite-(Fe)] John H. Betts (2009)
Staten Island (Richmond County) ⓘ Manhattan-Staten Island Water Tunnel Rock Dumps	Jeremy Zolan Collection
Saratoga County Greenfield Township ⓘ Greenfield	Seaman (1976)
ⓘ Greenfield pegmatite	Marian Lupulescu (2010)
Westchester County ⓘ Bedford	Betts (n.d.)
ⓘ Baylis Quarry (Bayliss Quarry)	[Columbite-(Fe)] Rocks & Min.: 23:710-712.
ⓘ Consolidated Feldspar Mining Corporation's plant	Manchester (1931)
ⓘ Kinkel Quarry	[Columbite-(Fe)] Rocks & Min.: 23:710-712.
North Carolina ⓘ Alexander County	[Columbite-(Fe)] Bernard et al. (2004)
Buncombe County ⓘ Balsam Gap Mine	Dana 6:1074.
Burke County Brindletown ⓘ J.C. Mills Mine (Mill's Mine; Mills's Mine)	Rocks & Min.:60:86.
ⓘ Brittain Prospect ?	[Columbite-(Fe)] C.W. Allen collection
Cleveland County ⓘ Dixon Creek	Wilson et al. (1978)
Kings Mountain ⓘ Foote Lithium Co. Mine	[Columbite-(Fe), Columbite-(Mn)] Rocks and Minerals +2 other references
ⓘ Davie County
Farmington ⓘ Columbite Prospect No. 1	Wilson et al. (1978)
ⓘ Columbite Prospect No. 2	Wilson et al. (1978)
ⓘ Seidtz Mine	[Columbite-(Fe)] www.John Betts.com
Gaston County ⓘ Hallman-Beam Mine (FMC-Lithco Mine; Hallman-Bean Mine; Lithium Corporation of America Mine)	[Columbite-(Fe)] Wenger et al. (1991)
ⓘ LCA Mine	[Columbite-(Fe)] Rocks & Min.: 60:89.
ⓘ Macon County	Genth et al. (1881)
ⓘ McDowell County
Montreat ⓘ MLNC Pegmatite Site	Wilson et al. (1978)
Mitchell County ⓘ Blalock Mine	Smithsonian Institution Mineral ...
Deake ⓘ Deake Mine	[Columbite-(Fe)] Dana 7:I:695 +1 other reference
ⓘ Hoppus Mine	- (n.d.)
ⓘ McHone Mine pegmatite	[Columbite-(Mn)] Wise et al. (2009) +1 other reference
ⓘ Pine Mountain (Pine Mountain Mine)	The Adams Collection ( Steve and Laurie Adams)
ⓘ Pink Mine	- (n.d.)
ⓘ Robert Phillips Mine (Old Susie Phillips Mine)	Lesure (1968)
Spruce Pine ⓘ English Mine (English Knob Mine)	Grauch et al. (1976)
Greasy Creek Township ⓘ Wiseman Mine (Old Mart Wiseman Mine; Sullins-Wiseman Mine)	[Columbite-(Fe)] Genth (1891)
ⓘ McKinney Mine (Power Mill Creek Mine)	[Columbite-(Fe), Columbite-(Mn)] Rocks & Min.: 60:92.
ⓘ Nash County	NCGS Survey Bulletin 97 +1 other reference
ⓘ Wilson County	Speer (1997)
Yancey County ⓘ Barger Mine	- (n.d.)
Burnsville Hurricane Mountain ⓘ Ray Mica Mine	[Columbite-(Fe)] Miller et al. (to be published by NCGS)
Celo Micaville ⓘ Fanny Gouge Mine	- (n.d.)
ⓘ Presnell Mine (Young's Mine)	Rocks & Min.: 60:99
Crabtree Creek ⓘ Carolina Mineral Company No. 20 Mine (Old 20 Mine)	Specimens in former Green's Mineral ... +3 other references
ⓘ Horse Ridge Mine	Mineral Commodity Files
ⓘ Polly Randolph Mine	Mineral Commodity Files
ⓘ Randolph Mine	Mineral Commodity Files
Toe River ⓘ Peterson Mine	Mineral Commodity Files
ⓘ Walter J. Edward Prospect	Mineral Commodity Files
Oklahoma Kiowa County Lugert ⓘ Granite Mountains	R&M 72:4 pp 252-264
Pennsylvania Chester County London Britain Township Landenberg ⓘ Nevin's Quarry	Samuel S. Gordon +1 other reference
Valley Township Wagontown ⓘ Steidler pegmatite	[Columbite-(Fe)] Mineral News
Delaware County Middletown Township Elwyn ⓘ Mineral Hill	[Columbite-(Mn)] Gordon (1922)
ⓘ Crump's Quarry	Gordon (1922)
ⓘ Feldspar Quarry	Gordon (1922)
Ridley Township Wallingford ⓘ Leiper's Upper Avondale Quarry	Rocks & Min.: 59:109-120 & 62:176-178.
Springfield Township ⓘ Leiper's Quarry	Rocks & Min.: 59:109-120 & 62:176-178.
Upper Chichester Township ⓘ Boothwyn	Ref. +2 other references
Rhode Island Washington County Westerly ⓘ Redstone Granite Quarry (Cherenzia Quarry)	[Columbite-(Fe)] Miller (1971)
ⓘ Smith Granite quarry	Miller (1971)
South Carolina Anderson County ⓘ Storeville	Dana et al. (1892)
South Dakota Custer County Custer Mining District Custer Beecher Lode ⓘ Beecher Lode Bond Claim (Beecher No. 1; Bond Lode)	Roberts et al. (1965)
ⓘ Beecher No. 3	Roberts et al. (1965)
ⓘ Bull Moose Mine	Campbell et al. (1985)
ⓘ Buster lode (Buster Dike Mica Mine)	Smith et al. (2000)
ⓘ Custer Mountain lode (Snookum mine)	Smith et al. (2000)
ⓘ High Climb Mine	Meeves et al. (1966) +1 other reference
ⓘ Wonder lode (Duncan's Little Wonder mine)	Smith et al. (2000)
ⓘ Mayo Lode	- (2005)
Pringle Cicero Peak ⓘ White Elephant Mine	Roberts et al. (1965)
ⓘ Dakota Feldspar (Beryl Mica Lode; Dakota Feldspar Company Mines)	Roberts et al. (1965)
ⓘ Greene pegmatite (Red Monster Mine; Pink Monster Mine)	Smith et al. (2000)
ⓘ Lookout Mine (Carroll Claims; Park; Rosebud)	- (2005)
ⓘ Mountain Beryl Claim	- (2005)
Unorganized mining district [1] ⓘ Put Lode	- (2005)
Lawrence County ⓘ Tinton Pegmatite Mining District	Smith et al. (2000)
ⓘ Giant-Volney mine	- (2005)
ⓘ Rough and Ready mine	USGS Bull 380D +1 other reference
Pennington County Hill City Mining District ⓘ Grizzly Bear Gulch	- (2005)
ⓘ Tin Queen Mine (White Blowout Mine)	Smith et al. (2000)
Keystone Mining District Glendale ⓘ Big Chief Mine
ⓘ Hardesty Homestead Mine	Smith et al. (2000)
Keystone ⓘ Barker-Ferguson Mine	Smith et al. (2000)
ⓘ Bob Ingersoll Mine	[Columbite-(Fe)] various added photos
ⓘ Dan Patch Mine	Rocks & Min.:60:116 +3 other references
ⓘ Edison Mine	U.S. Geological Survey Professional ... +2 other references
ⓘ Etta Mine	[Columbite-(Fe)] Roberts
ⓘ Nickel Plate Mine	William C. van Laer +1 other reference
ⓘ Sarah claim	USGS Bull 380D
ⓘ White Cap Mine	[Columbite-(Fe)] Jessica Simonoff photo
Oreville Mining District ⓘ Stalin (High Climb Mine)	Roberts et al. (1965)
Rochford Mining District ⓘ Manke claim (Wilhelm)	Roberts et al. (1965)
Texas Culberson County Sierra Diablo ⓘ Cave Peak deposit	Smith (1991) +1 other reference
Hudspeth County ⓘ Sierra Blanca Peaks	[Columbite-(Fe)] Am. Min. 74:865-869 (1989)
ⓘ Little Blanca Mountain prospects	Am Min 72:1122-1130
ⓘ Round Top prospects	[Columbite-(Fe)] Elliott (2018)
Llano County Bluffton ⓘ Baringer Hill Mine	Smith (1991)
Virginia Amelia County Amelia (Amelia Court House) ⓘ Berry Mine	Dietrich (1990)
ⓘ Champion Mine (Jefferson No. 4 Mine; Bland Mine)	Rocks & Min.:60:165.
ⓘ Rutherford Mines	a classic locality revisited. The Canadian Mineralogist (2) +3 other references
Winterham ⓘ Morefield Mine (Morefield pegmatite)	[Columbite-(Fe), Columbite-(Mn)] Rocks & Min.: 8:143-144. +1 other reference
Charlotte County Charlotte-Cumberland ⓘ Crews Prospect (Crews No. 1 & 2 Prospect)	Dietrich (1990)
ⓘ Goochland County	Ransom (1974)
Prince Edward County ⓘ Darlington Heights	Dietrich (1990)
Washington Stevens County Calispell Peak ⓘ Cannon Mine	Cannon (1975)
ⓘ Eagleton Prospect	Cannon (1975)
Wisconsin Dodge County ⓘ Waterloo quarry (Michels Materials Waterloo quarry; Portland Quarry)	[Columbite-(Mn)] Buchholz et al. (2003) +1 other reference
Florence County Fern Pine River pegmatites ⓘ Animikie Red Ace pegmatite	[Columbite-(Fe), Columbite-(Mn)] Falster et al. (1996)
Marathon County Wausau Intrusive Complex ⓘ "Rotten granite" quarries	Falster (1987)
Nine Mile Pluton ⓘ Beilke Quarry	[Columbite-(Fe), Columbite-(Mn)] Buchholz (1999)
ⓘ Charneski pit (Ladick East pit)	[Columbite-(Fe)] Buchholz et al. (2002)
ⓘ Koss pit	[Columbite-(Fe), Columbite-(Mn)] www.uwrf.edu/~wc01
ⓘ McGuire pit (Salzman Quarry; Salzman Enterprises)	[Columbite-(Fe)] Rocks & Min. (2007)
ⓘ Stettin pluton	Rocks & Min.: 62: 190-193.
ⓘ Stettin pegmatite	[Columbite-(Fe)] Buchholz et al. (2017)
ⓘ Woodland Drive	[Columbite-(Fe)] Buchholz et al. (2012)
Wood County ⓘ Cary Mound area quarries	[Columbite-(Fe)] Rocks & Minerals 82:409-410
ⓘ Haske Quarry	[Columbite-(Fe)] Buchholz et al. (2006)
Wyoming Albany County ⓘ Many Values pegmatite prospect	Hanley et al. (1950) +1 other reference
ⓘ Muscovite pegmatite prospect	- (2005)
ⓘ Platt Mine	- (2005)
Carbon County ⓘ Big Creek pegmatite District	R. S. Houston (1961)
ⓘ Platt Pegmatite Mine	R. S. Houston (1961) +3 other references
Crook County ⓘ Tinton Pegmatite District	Osterwald (1952)
ⓘ Fremont County	Rocks&Min 76:23-241
Bridger Mts (Bridger Range) ⓘ Copper Mountain pegmatite District	Hausel et al. (2001)
ⓘ Quien Sabe No. 2 pegmatite	Meeves et al. (1966)
ⓘ Sleeper Mine	Meeves et al. (1966)
ⓘ Whippet claims	Meeves et al. (1966)
ⓘ Whippet No. 1 pegmatite (Marion mine)	Hanley et al. (1950)
Goshen County Haystack Range Pegmatite District ⓘ Ruth pegmatite ?	Hanley et al. (1950)
Natrona County ⓘ Catherine No. 1 pegmatite mine	Hausel et al. (2001)
Uzbekistan
Navoiy Uchkuduk District ⓘ Altyntau granite pluton	[Columbite-(Fe)] Mineraly Uzbekistana (Minerals of the Uzbekistan)
Vietnam
Yên Bái Province Lục Yên District ⓘ Minh Tien Mine	[Columbite-(Mn)] Kubernátová et al. (2019)
Zambia
Copperbelt Province Lufwanyama District ⓘ Kafubu emerald mining district	[Columbite-(Mn)] Wilson et al. (2010)
Zimbabwe
Harare Enterprise tin field ⓘ Elizabeth claim	Southern Rhodesia Geological Survey (1959)
Manicaland Buhera District Bepe Hills ⓘ Bepe I pegmatite	Ackermann et al. (1968)
Mashonaland Central Mazowe District ⓘ Mistress Mine	Martin (2020)
Mashonaland East Goromonzi District ⓘ Casa Ventura pegmatite	Mineralogical Magazine 1959 32 : 87-89
Mudzi District ⓘ Dizzy claim	Southern Rhodesia Geological Survey (1959)
Mutoko District (Mtoko District) Mutoko parish (Mtoko) ⓘ Gooddays Mine (Good Days Mine)	[Columbite-(Mn)] Ackermann et al. (1968)
ⓘ Jordywyitt claims	Anonymous (1995)
Mashonaland West Karoi District Mwami (Miami) ⓘ Bufroi claim	Southern Rhodesia Geological Survey (1959)
ⓘ Lillington claim	Southern Rhodesia Geological Survey (1959)
ⓘ Rita	Southern Rhodesia Geological Survey (1959)
Masvingo Bikita District ⓘ Bikita pegmatite	Southern Rhodesia Geological Survey (1959)
ⓘ Clive	Southern Rhodesia Geological Survey (1959)
Masvingo District ⓘ Python Eggs pegmatite	Southern Rhodesia Geological Survey (1959)
Matabeleland North Hwange District Dete (Dett) ⓘ Kamativi Mine	[Columbite-(Fe)] Gallagher (1967)
ⓘ San claims	[Columbite-(Fe)] Southern Rhodesia Geological Survey (1959)