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Metacinnabar

A valid IMA mineral species - grandfathered

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Photos of Metacinnabar (142)Discuss Metacinnabar

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Edit Metacinnabar Add Synonym Edit CIF structures Clear Cache

Metacinnabar

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Metacinnabar, etc.

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain

Metacinnabar

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain

Metacinnabar

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Metacinnabar, etc.

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain

Metacinnabar

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain

Metacinnabar

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Metacinnabar, etc.

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain

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About MetacinnabarHide

Formula:

HgS

Colour:

Dark red to black

Lustre:

Metallic

Hardness:

Specific Gravity:

7.65

Crystal System:

Isometric

Member of:

Sphalerite Group

Name:

Named for the Greek meta meaning with, and cinnabar in allusion to the polymorphic relationship between the two minerals.

Type Locality:

ⓘ Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville Mining District, Napa County, California, USA

Polymorph of:

Cinnabar, Hypercinnabar

Forms a series with tiemannite (HgSe) and perhaps partially with sphalerite.

Unique IdentifiersHide

Mindat ID:

2670

Long-form identifier:

mindat:1:1:2670:9

IMA Classification of MetacinnabarHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

Hg²⁺S^2-

Type description reference:

Moore, G.E. (1870) Ueber das Vorkommen des amorphen Quecksilbersulfids in der Natur. Journal für Praktische Chemie: 110: 319-329.

Classification of MetacinnabarHide

Strunz-mindat (2026):

2.CB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.

Dana 8th ed.:

2.8.2.3

2 : SULFIDES
8 : A_mX_p, with m:p = 1:1

Hey's CIM Ref.:

3.5.3

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
5 : Sulphides etc. of Hg and Tl

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference for Standard
Mcin	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Mec	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of MetacinnabarHide

Pronunciation:

Play	Recorded by	Country
	Jolyon Ralph	United Kingdom

Physical Properties of MetacinnabarHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Dark red to black

Streak:

Black

Hardness:

3 on Mohs scale

Tenacity:

Brittle

Fracture:

Sub-Conchoidal

Density:

7.65 g/cm³ (Measured) 7.63 g/cm³ (Calculated)

Optical Data of MetacinnabarHide

Type:

Isotropic

Anisotropism:

very weak, rarely

Reflectivity:

Wavelength	R₁ (%)
400nm	28.4%
420nm	27.6%
440nm	26.8%
460nm	26.3%
480nm	25.9%
500nm	25.6%
520nm	25.4%
540nm	25.2%
560nm	25.1%
580nm	25.0%
600nm	24.9%
620nm	24.9%
640nm	24.8%
660nm	24.7%
680nm	24.7%
700nm	24.7%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 28.4%.

Colour in reflected light:

Mid grey

Internal Reflections:

Red

Pleochroism:

Weak

Chemistry of MetacinnabarHide

Mindat Formula:

HgS

Element Weights:

Element	% weight
Hg	86.218 %
S	13.782 %

Calculated from ideal end-member formula.

Elements listed:

Hg, S - search for minerals with similar chemistry

Crystallography of MetacinnabarHide

Crystal System:

Isometric

Class (H-M):

43m - Hextetrahedral

Space Group:

F43m

Cell Parameters:

a = 5.8717(5) Å

Unit Cell V:

202.44 Å³ (Calculated from Unit Cell)

Morphology:

Massive, rarely as small <1mm tetrahedral crystals

Twinning:

Common on {111}, forming lamellae in polished section.

Crystallographic forms of MetacinnabarHide

Crystal Atlas:

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Metacinnabar - {211}, modified

3d models and HTML5 code kindly provided by www.smorf.nl.

Crystal StructureHide

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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)
0011526	Metacinnabar	Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 85-237		1963		0	293
0018202	Metacinnabar	Lehmann W (1924) Roentgenographische Untersuchungen an natuerlichem und synthetischem Metacinnabarit (Hg S). _cod_database_code 1011368 Zeitschrift fur Kristallographie 60 379-413		1924		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Metacinnabar'
loop_
_publ_author_name
'Wyckoff R W G'
_journal_name_full 'Crystal Structures'
_journal_volume 1 
_journal_year 1963
_journal_page_first 85
_journal_page_last 237
_publ_section_title
;
 Second edition. Interscience Publishers, New York, New York
 Note: ZnS structure, sphalerite structure
;
_database_code_amcsd 0011526
_chemical_formula_sum 'Hg S'
_cell_length_a 5.8517
_cell_length_b 5.8517
_cell_length_c 5.8517
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 200.376
_exptl_crystal_density_diffrn      7.712
_symmetry_space_group_name_H-M 'F -4 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '-z,x,-y'
  '-z,1/2+x,1/2-y'
  '1/2-z,x,1/2-y'
  '1/2-z,1/2+x,-y'
  '-y,z,-x'
  '-y,1/2+z,1/2-x'
  '1/2-y,z,1/2-x'
  '1/2-y,1/2+z,-x'
  '-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  'x,-z,-y'
  'x,1/2-z,1/2-y'
  '1/2+x,-z,1/2-y'
  '1/2+x,1/2-z,-y'
  'z,-y,-x'
  'z,1/2-y,1/2-x'
  '1/2+z,-y,1/2-x'
  '1/2+z,1/2-y,-x'
  'y,-x,-z'
  'y,1/2-x,1/2-z'
  '1/2+y,-x,1/2-z'
  '1/2+y,1/2-x,-z'
  'x,z,y'
  'x,1/2+z,1/2+y'
  '1/2+x,z,1/2+y'
  '1/2+x,1/2+z,y'
  'z,y,x'
  'z,1/2+y,1/2+x'
  '1/2+z,y,1/2+x'
  '1/2+z,1/2+y,x'
  'y,x,z'
  'y,1/2+x,1/2+z'
  '1/2+y,x,1/2+z'
  '1/2+y,1/2+x,z'
  '-z,-x,y'
  '-z,1/2-x,1/2+y'
  '1/2-z,-x,1/2+y'
  '1/2-z,1/2-x,y'
  '-y,-z,x'
  '-y,1/2-z,1/2+x'
  '1/2-y,-z,1/2+x'
  '1/2-y,1/2-z,x'
  '-x,-y,z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-y,1/2+z'
  '1/2-x,1/2-y,z'
  'z,-x,-y'
  'z,1/2-x,1/2-y'
  '1/2+z,-x,1/2-y'
  '1/2+z,1/2-x,-y'
  'y,-z,-x'
  'y,1/2-z,1/2-x'
  '1/2+y,-z,1/2-x'
  '1/2+y,1/2-z,-x'
  'x,-y,-z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '-x,z,-y'
  '-x,1/2+z,1/2-y'
  '1/2-x,z,1/2-y'
  '1/2-x,1/2+z,-y'
  '-z,y,-x'
  '-z,1/2+y,1/2-x'
  '1/2-z,y,1/2-x'
  '1/2-z,1/2+y,-x'
  '-y,x,-z'
  '-y,1/2+x,1/2-z'
  '1/2-y,x,1/2-z'
  '1/2-y,1/2+x,-z'
  '-x,-z,y'
  '-x,1/2-z,1/2+y'
  '1/2-x,-z,1/2+y'
  '1/2-x,1/2-z,y'
  '-z,-y,x'
  '-z,1/2-y,1/2+x'
  '1/2-z,-y,1/2+x'
  '1/2-z,1/2-y,x'
  '-y,-x,z'
  '-y,1/2-x,1/2+z'
  '1/2-y,-x,1/2+z'
  '1/2-y,1/2-x,z'
  'z,x,y'
  'z,1/2+x,1/2+y'
  '1/2+z,x,1/2+y'
  '1/2+z,1/2+x,y'
  'y,z,x'
  'y,1/2+z,1/2+x'
  '1/2+y,z,1/2+x'
  '1/2+y,1/2+z,x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Hg   0.00000   0.00000   0.00000
S   0.25000   0.25000   0.25000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.378 Å	(100)
2.926 Å	(35)
2.068 Å	(55)
1.7644 Å	(45)
1.6891 Å	(10)
1.3424 Å	(12)
1.3085 Å	(10)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of MetacinnabarHide

Type Locality:

ⓘ Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville Mining District, Napa County, California, USA

Reference:

Moore, G.E. (1870) Ueber das Vorkommen des amorphen Quecksilbersulfids in der Natur. Journal für Praktische Chemie: 110: 319-329.

Synonyms of MetacinnabarHide

Metacinnabarite

Other Language Names for MetacinnabarHide

German:Metacinnabarit
Aethiops Mineral

Russian:Метациннабарит

Simplified Chinese:黑辰砂

Varieties of MetacinnabarHide

Guadalcazarite	A zinc-bearing variety of metacinnabar. Practically equivalent to leviglianite.
Kittlite	An Se-bearing metacinnabar. Synonymous with Selenium-bearing Metacinnabar.
Leviglianite	Zn-bearing variety of metacinnabar. Practically equivalent to guadalcazarite.
Saukovite	Cadmium-bearing metacinnabar.
Selenium-bearing Metacinnabar	A selenium-bearing variety of metacinnabar.

Relationship of Metacinnabar to other SpeciesHide

Member of:

Sphalerite Group

Other Members of Sphalerite Group:

Browneite	MnS	Iso. 43m : F43m
Coloradoite	HgTe	Iso. 43m : F43m
Hawleyite	CdS	Iso. 43m : F43m
Ishiharaite	(Cu,Ga,Fe,In,Zn)S	Iso. 43m : F43m
Rudashevskyite	(Fe,Zn)S	Iso. 43m : F43m
Sphalerite	ZnS	Iso. 43m : F43m
Stilleite	ZnSe	Iso. 43m : F43m
Tiemannite	HgSe	Iso. 43m : F43m

Common AssociatesHide

Associations Based on Photo Data:

216 photos of Metacinnabar associated with Cinnabar	HgS
99 photos of Metacinnabar associated with Quartz	SiO₂
61 photos of Metacinnabar associated with Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
57 photos of Metacinnabar associated with Goethite	Fe³⁺O(OH)
55 photos of Metacinnabar associated with Paraschachnerite	Ag₃Hg₂
47 photos of Metacinnabar associated with Moschellandsbergite	Ag₂Hg₃
43 photos of Metacinnabar associated with Hypercinnabar	HgS
40 photos of Metacinnabar associated with Galena	PbS
39 photos of Metacinnabar associated with Schachnerite	Ag_1.1Hg_0.9
34 photos of Metacinnabar associated with Pyrite	FeS₂

Related Minerals - Strunz-mindat Grouping Hide

2.CB.	Richardsite	Zn₂CuGaS₄	Tet. 42m : I42m
2.CB.	Okruginite	Cu₂SnSe₃	Mon. m : Bb
2.CB.	Hanswilkeite	KFeS₂	Mon. 2/m : B2/b
2.CB.	Auroselenide	AuSe	Mon. 2/m : B2/m
2.CB.	Ruizhongite	(Ag₂◻)Pb₃Ge₂S₈	Iso. 43m : I43d
2.CB.	Agmantinite	Ag₂MnSnS₄	Orth.
2.CB.	Tolstykhite	Au₃S₄Te₆	Tric. 1 : P1
2.CB.	Gachingite	Au(Te_1-xSe_x)	Orth. mmm(2/m2/m2/m)
2.CB.05a	Hawleyite	CdS	Iso. 43m : F43m
2.CB.05	'UM1998-15-S:CuFeZn'	Cu₂Fe₃Zn₅S₁₀
2.CB.05a	Coloradoite	HgTe	Iso. 43m : F43m
2.CB.05a	Tiemannite	HgSe	Iso. 43m : F43m
2.CB.05a	Sphalerite	ZnS	Iso. 43m : F43m
2.CB.05b	Sakuraiite	(Cu,Zn,Fe)₃(In,Sn)S₄	Iso.
2.CB.05c	Polhemusite	(Zn,Hg)S	Tet.
2.CB.05a	Rudashevskyite	(Fe,Zn)S	Iso. 43m : F43m
2.CB.05a	Stilleite	ZnSe	Iso. 43m : F43m
2.CB.05a	Ishiharaite	(Cu,Ga,Fe,In,Zn)S	Iso. 43m : F43m
2.CB.07a	'Unnamed (Cu-Mn-Sn Sulphide)'	Cu₂MnSnS₄
2.CB.07a	Shenzhuangite	NiFeS₂	Tet. 42m : I42d
2.CB.10b	Talnakhite	Cu₉(Fe,Ni)₈S₁₆	Iso. 43m : I43m
2.CB.10b	Haycockite	Cu₄Fe₅S₈	Orth. 222
2.CB.10a	Lenaite	AgFeS₂	Tet. 42m : I42d
2.CB.10a	Gallite	CuGaS₂	Tet. 42m : I42d
2.CB.10a	Roquesite	CuInS₂	Tet. 42m : I42d
2.CB.10a	Eskebornite	CuFeSe₂	Tet. 42m : P42c
2.CB.10a	'UM1984-30-S:CuFeSn'	Cu₂Fe₂Sn₃S₇
2.CB.10c	Omariniite	Cu₈Fe₂ZnGe₂S₁₂	Orth. 222 : I222
2.CB.10a	Chalcopyrite	CuFeS₂	Tet. 42m : I42d
2.CB.10a	'Unnamed (Cu-Zn-In Sulphide)'	CuZn₂InS₄
2.CB.10b	Mooihoekite	Cu₉Fe₉S₁₆	Tet. 42m : P42m
2.CB.10a	Laforêtite	AgInS₂	Tet. 42m : I42d
2.CB.10b	Putoranite	Cu_1.1Fe_1.2S₂	Iso. m3m(4/m32/m) : Pn3m
2.CB.15a	Velikite	Cu₂HgSnS₄	Tet. 4 : I4
2.CB.15c	'UM2006-11-S:CuFeGeZn'	Cu₈(Fe,Zn)₃Ge₂S₁₂ (?)
2.CB.15a	Hocartite	Ag₂(Fe²⁺,Zn)SnS₄	Tet. 42m : I42m
2.CB.15a	Kësterite	Cu₂ZnSnS₄	Tet. 4 : I4
2.CB.15a	Pirquitasite	Ag₂ZnSnS₄	Tet. 4 : I4
2.CB.15a	Stannite	Cu₂FeSnS₄	Tet. 42m : I42m
2.CB.15c	Stannoidite	Cu⁺₆Cu²⁺₂(Fe²⁺,Zn)₃Sn₂S₁₂	Orth. 222 : I222
2.CB.15b	Mohite	Cu₂SnS₃	Mon.
2.CB.15a	Černýite	Cu₂CdSnS₄	Tet. 42m : I42m
2.CB.15a	Idaite	Cu₅FeS₆	Hex.
2.CB.15a	Ferrokësterite	Cu₂FeSnS₄	Tet. 4 : I4
2.CB.15a	Kuramite	Cu₃SnS₄	Tet. 42m : I42m
2.CB.17a v	'Arsenic-bearing Renierite'	Cu₁₁GeAsFe₄S₁₆
2.CB.20	Mawsonite	Cu₆Fe₂SnS₈	Tet. 42m : P4m2
2.CB.20	Chatkalite	Cu₆FeSn₂S₈	Tet. 42m : P4m2
2.CB.30	'Frieseite'	Ag₂Fe₅S₈ (?)
2.CB.30	Nekrasovite	Cu₂₆V₂(Sn,As,Sb)₆S₃₂	Iso. 43m : P43n
2.CB.30	'Argyropyrite'	near Ag₂Fe₇S₁₁
2.CB.30	Maikainite	Cu₂₀(Fe,Cu)₆Mo₂Ge₆S₃₂	Iso. m3m(4/m32/m)
2.CB.30	Colusite	Cu₁₃VAs₃S₁₆	Iso. 43m : P43n
2.CB.30	Germanite	Cu₁₃Fe₂Ge₂S₁₆	Iso. 43m : P43n
2.CB.30	Germanocolusite	Cu₂₆V₂(Ge,As)₆S₃₂	Iso. 43m : P43m
2.CB.30	Stibiocolusite	Cu₁₃V(Sb,Sn,As)₃S₁₆	Iso. 43m : P43m
2.CB.30	Ovamboite	Cu₂₀(Fe,Cu,Zn)₆W₂Ge₆S₃₂	Iso. 43m : P43n
2.CB.35a	Morozeviczite	(Pb,Fe)₃Ge_1-xS₄	Iso.
2.CB.35a	Renierite	(Cu⁺,Zn)₁₁Fe₄(Ge⁴⁺,As⁵⁺)₂S₁₆	Tet. 42m : P42c
2.CB.35a	Hemusite	Cu₆SnMoS₈	Iso.
2.CB.35b	Catamarcaite	Cu₆GeWS₈	Hex. 6mm : P6₃mc
2.CB.35a	Vinciennite	Cu⁺₇Cu²⁺₃Fe²⁺₂Fe³⁺₂Sn(As,Sb)S₁₆	Tet.
2.CB.35a	Kiddcreekite	Cu₆SnWS₈	Iso. 43m : F43m
2.CB.35a	Polkovicite	(Fe,Pb)₃(Ge,Fe)_1-xS₄	Iso.
2.CB.40	Lautite	CuAsS	Orth. mmm(2/m2/m2/m) : Pnma
2.CB.42	Lingbaoite	AgTe₃	Trig. 3m : R3m
2.CB.45	Cadmoselite	CdSe	Hex. 6mm : P6₃mc
2.CB.45	Rambergite	MnS	Hex. 6mm : P6₃mc
2.CB.45	Buseckite	(Fe,Zn,Mn)S	Hex. 6mm : P6₃mc
2.CB.45	Maletoyvayamite	Au₃Se₄Te₆	Tric. 1 : P1
2.CB.45	Greenockite	CdS	Hex. 6mm : P6₃mc
2.CB.45	Wurtzite	(Zn,Fe)S	Hex. 6mm : P6₃mc
2.CB.47	Murchisite	Cr₅S₆	Trig. 3m(32/m) : P31c
2.CB.50	'Zincselenide'	ZnSe
2.CB.50	Wassonite	TiS	Trig. 3m(32/m) : R3m
2.CB.52	'Dzhezkazganite'	ReMoCu₂PbS₆ ?	Trig. 3m : R3m
2.CB.55b	Isocubanite	CuFe₂S₃	Iso. m3m(4/m32/m) : Fm3m
2.CB.55a	Cubanite	CuFe₂S₃	Orth. mmm(2/m2/m2/m)
2.CB.60	Raguinite	TlFeS₂	Orth.
2.CB.60	Picotpaulite	TlFe₂S₃	Orth. mmm(2/m2/m2/m) : Cmcm
2.CB.65	Argentopyrite	AgFe₂S₃	Mon. 2/m
2.CB.65	Sternbergite	AgFe₂S₃	Orth. mmm(2/m2/m2/m)
2.CB.70	Sulvanite	Cu₃VS₄	Iso. 43m : P43m
2.CB.75	Vulcanite	CuTe	Orth. mmm(2/m2/m2/m)
2.CB.80	Empressite	AgTe	Orth. mmm(2/m2/m2/m)
2.CB.85	Muthmannite	AuAgTe₂	Mon. 2/m : P2/m

Other InformationHide

Health Risks:

Contains mercury - always wash hands after handling. Avoid inhaling dust when breaking. Never lick or ingest. Do not heat in an unventilated environment - emits toxic Hg fumes.

Internet Links for MetacinnabarHide

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https://www.mindat.org/min-2670.html
Please feel free to link to this page.

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Raman and XRD data at RRUFF project

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American Mineralogist Crystal Structure Database

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References for MetacinnabarHide

Reference List:

Moore, G.E. (1870) Ueber das Vorkommen des amorphen Quecksilbersulfids in der Natur. Journal für Praktische Chemie: 110: 319-329.

Durand, F.E. (1873) Notes on the crystallization of metacinnabarite. Proceedings of the California Academy of Sciences, ser. 1, 4(1): 219–220, figs. 1–2.

Penfield, S.L. (1885) Crystallized tiemannite and metacinnabarite. American Journal of Science: 29: 449-454.

Penfield, S.L. (1892) Notes on the crystallography of metacinnabarite. American Journal of Science, 3rd. series: 44: 383.

Schrauf, A. (1892) Ueber Metacinnaberit von Idria und dessen Paragenesis. Jahrbuch der Kaiserlich-Königlichen Geologischen Reichsanstalt: 41: 349-400.

Lehmann, W.M. (1924) Rontgenographische Untersuchungen an naturlichem und synthetischem Metacinnabarit (HgS). Zeitschrift für Kristallographie, Band 60: 379-413; Mineralogical Abstracts: 2: 510-511 (1925).

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.pp.215-217

Dickson, Frank W., Tunell, George (1959) The stability relations of cinnabar and metacinnabar. American Mineralogist, 44 (5-6) 471-487

Potter, Robert W. II, Barnes, H. L. (1978) Phase relations in the binary Hg-S. American Mineralogist, 63 (11-12) 1143-1152

(2005) Metacinnabar. Handbook of Mineralogy. Mineralogical Society of America

Holley, Elizabeth A., James McQuillan, A., Craw, Dave, Kim, Jonathan P., Sander, Sylvia G. (2007) Mercury mobilization by oxidative dissolution of cinnabar (α-HgS) and metacinnabar (β-HgS) Chemical Geology, 240 (3) 313-325 doi:10.1016/j.chemgeo.2007.03.001

Biagioni, C., Orlandi, P. (2009) Tiemannite e metacinabro della miniera Buca della Vena (Alpi Apuane). Atti della Società Toscana di Scienze Naturali, Memorie: 114: 13-17. http://www.apuanegeopark.it/documents/Atti_Soc_Tosc_Sc_Nat_2009_Orlandi_Biagioni.pdf

Borisov, S. V., Magarill, S. A., Pervukhina, N. V. (2009) Characteristic features of crystal chemistry of natural mercury-containing sulfides and sulfosalts. Journal of Structural Chemistry, 50 (5). 853-860 doi:10.1007/s10947-009-0127-7

Vasil’ev, V.I. (2011) New data on the composition of metacinnabar and Hg-sphalerite with an isomorphous Cd admixture. Russian Geology and Geophysics, 52 (7) 701-708 doi:10.1016/j.rgg.2011.06.002

Ballirano, Paolo, Botticelli, Michela, Maras, Adriana (2014) Thermal behaviour of cinnabar, α-HgS, and the kinetics of the β-HgS (metacinnabar) - α-HgS conversion at room temperature. European Journal of Mineralogy, 25 (6) 957-965 doi:10.1127/0935-1221/2013/0025-2341

Biagioni, C., Musetti, S., Pasero, M. (2017) New data on metacinnabar from Tuscany (Italy). Atti della Società Toscana di Scienze Naturali, Memorie, Serie A: 124: 13-18.

Wang, Xiao, Liu, Jiajun, Carranza, Emmanuel John M., Zhai, Degao, Zhao, Qingqing, Weng, Guoming, Zhang, Bin (2023) Characteristics and Formation Conditions of Se-Bearing Metacinnabar in the Wanshan Mercury Ore Field, Eastern Guizhou. Minerals, 13 (2) 173 doi:10.3390/min13020173

Sandalov, Fedor D.; Rassomakhin, Mikhail A.; Vlasenko, Natalia S.; Britvin, Sergey N.; Artemyev, Dmitry A.; Stepanov, Sergey Yu.; Belogub, Elena V. (2026) Toward the continuous series of HgS-ZnS solid solutions: Zn-rich metacinnabar assemblages in the Vorontsovskoe gold deposit, Northern Urals, Russia. American Mineralogist, 111 (3). 431-445 doi:10.2138/am-2025-9783

Localities for MetacinnabarHide

Showing 327 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.

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Locality ListHide

- 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
Bamyan Waras District ⓘ Solghoi Hg occurrence	Orris et al. (2002)

Argentina
La Rioja Province Chilecito department Sañogasta ⓘ La Piedra Pintada	[var: Selenium-bearing Metacinnabar] Brodtkorb (2002)
ⓘ Santa Brígida mine	[var: Selenium-bearing Metacinnabar] Zappettini et al. (2014)
ⓘ Los Llantenes mining district	[var: Selenium-bearing Metacinnabar] de Brodtkorb +3 other references

Australia
Tasmania Latrobe municipality Harford ⓘ Rudges Mine (Baryta Reward)	R. Bottrill +1 other reference
Victoria Mansfield Shire Jamieson Quicksilver creek ⓘ Jamieson Mercury mine	Birch (2003)
Western Australia Kalgoorlie-Boulder Shire Kalgoorlie-Boulder Kalgoorlie Consolidated Gold Mines ⓘ Great Boulder Gold Mine (Phantom Lode; Great Boulder South; Great Boulder North; Great Boulder Extended)	[var: Selenium-bearing Metacinnabar] Simpson (1948)

Austria
Carinthia Spittal an der Drau District Dellach im Drautal Glatschach ⓘ Mercury mine	Niedermayr et al. (1995)
Lower Austria Wiener Neustadt-Land District Hochneukirchen-Gschaidt ⓘ Maltern	Kolitsch et al. (2010)
Salzburg St. Johann im Pongau District ⓘ Mitterberg mining district	Neschen (n.d.)
Mühlbach am Hochkönig ⓘ Anna adit	Paar et al. (1978) +1 other reference
ⓘ Emil adit	C.Auer (2016)
Tamsweg District Mauterndorf Mauterndorf quarries ⓘ Mauterndorf quarry	Schachinger et al. (2015)
Weißpriach ⓘ Lungauer Kalkspitze (incl. Znachsattel; "Im Kalk")	Schachinger et al. (2014)
Zell am See District Leogang Hütten Schwarzleograben Inschlag Alp ⓘ Magnesite mine	Poeverlein (1987) +1 other reference
Schwarzleo mining district ⓘ Johannes adit	R.Poeverlein (2016)
ⓘ Neuschurf adit	R.Poeverlein (2016)
Vogel Alp ⓘ Vogelhalt mining district	R.Poeverlein (2016)
Maria Alm am Steinernen Meer Hinterthal ⓘ Entachen magnesite deposit (Entachenalm)	Auer (2023)
Styria Bruck-Mürzzuschlag District Breitenau am Hochlantsch Hochlantsch ⓘ Breitenau Mine	Bojar (1998)
Leoben District Eisenerz ⓘ Styrian Erzberg	Meixner (1980) +2 other references
Liezen District Schladming Giglach valley Giglach lakes ⓘ Steirische Kalkspitze (incl. Akarscharte; Akharscharte)	Schachinger et al. (2014)
Tyrol Kufstein District Reith im Alpbachtal Geyer - Silberberg District Silberberg ⓘ Stocker adit	Schnorrer et al. (2002)

Bulgaria
Montana Province Chiprovtsi Municipality ⓘ Chiprovtsi deposit	Dimitrova +4 other references

China
Gansu Gannan Luqu Co. ⓘ La'erma Au-Se deposit	Yuanzhen Zhang et al. (1992)
Guizhou Qianxinan Ceheng County ⓘ Bafan Hg deposit	brightrich.com (2009)
Tongren Bijiang District ⓘ Luanyantang Mine	Denghong Wang et al. (2012)
Wanshan District ⓘ Wanshan Mercury Ore Field	[var: Selenium-bearing Metacinnabar] Wang et al. (2023)
ⓘ Wanshan mine	[var: Selenium-bearing Metacinnabar] Zhenhua Ding et al. (2004) +1 other reference
Hunan Huaihua Xinhuang Co. Xinhuang Hg ore field ⓘ Jiudiantang Mine	Zhengxiang Bao (1983)
Yuanling Co. ⓘ Woxi Mines (Wuxi Mines; Xiangxi Mines; Xianxi Mines)	Boyi Liang and Zhenru Zhang (1988)
Xiangxi Baojing Co. ⓘ Dongping Mine	[var: Selenium-bearing Metacinnabar] Zhongqi Huang (1991) +1 other reference
Fenghuang Co. ⓘ Chatian Hg-Zn ore field	[var: Guadalcazarite] Shaoxiang Yang and Ketong Lao (2007)
Chatian ore district ⓘ Chatian Mine (Tsa Tien Mine)	Zhengxiang Bao (1983)
ⓘ Houziping Mine	National Geological Archives of China ...
ⓘ Zhangpo Hg deposit	National Geological Archives of China ...
Shaanxi Ankang Xunyang County Gongguan-Huilong ore field ⓘ Gongguan Hg-Sb-Au deposit	Huiqin Zuo et al. (1991)
Shangluo Zhen'an County ⓘ Ertaizi Cu-Au deposit	Wenhui Qiu (1985)
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Baiyü County ⓘ Kongmasi Hg deposit	Hou et al. (2007)
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Zoigê Co. (Ruo'ergai Co.) ⓘ Dengmo Au deposit	[var: Selenium-bearing Metacinnabar] Su Sun (1993)

Czech Republic
Zlín Region Uherské Hradiště District Komňa ⓘ Bučník Hill Quarry	Pauliš

Ecuador
Zamora-Chinchipe Province Yantzaza Canton ⓘ Fruta del Norte Au-Ag deposit	an NI 43-101 Technical Report prepared ... +1 other reference

Europe
ⓘ Sedmochislenitsi Mine (Sedmocislenici Mine)	ATANASSOVA +1 other reference

Georgia
Racha-Lechkhumi and Kvemo Svaneti Oni District ⓘ Gomi As-Sb-Hg deposit	Gruzdev et al. (1975) +2 other references

Germany
Lower Saxony Goslar District ⓘ Clausthal-Zellerfeld	Dutrizac J E (1981)
North Rhine-Westphalia Arnsberg Siegen-Wittgenstein Siegen Gosenbach ⓘ Storch und Schöneberg Mine ?	M Kampf collection
Rhineland-Palatinate Bad Kreuznach Rüdesheim Niederhausen ⓘ Schmittenzug mine	Hartmut Hensel collection
Donnersbergkreis Nordpfälzer Land Obermoschel ⓘ Landsberg	Heidtke (2001)
ⓘ Carolina Mine	Hartmut Hensel Collection
ⓘ Vertrauen zu Gott Mine	Hartmut Hensel Collection
ⓘ Stahlberg	Heidtke (2001)
Kusel ⓘ Potzberg mercury mining district	Heidtke (2001)
Rhein-Lahn-Kreis Lahnstein Friedrichssegen ⓘ Friedrichssegen Mine	Schnorrer (1993)

Hungary
Borsod-Abaúj-Zemplén County Kazincbarcika District ⓘ Rudabánya	collection: Herman Ottó Museum
Budapest ⓘ Ferenc Hill Cave	Ores in the Bátori Cave and ...
ⓘ Róka Hill

Iran
West Azerbaijan Province Takab County ⓘ Zareh Shuran Mine	Asadi et al. (2000)

Ireland
Munster Tipperary County Monard ⓘ Gortdrum Mine	Steed et al. (1986) +1 other reference

Italy
Lombardy Bergamo Province ⓘ Schilpario	Capitanio A. (2000)
Sardinia South Sardinia Province Gonnesa ⓘ San Giovanneddu Mine (S'Ega Porceddu)	Stara et al. (1996)
Iglesias Bindua ⓘ San Giovanni Mine	- (n.d.)
Trentino-Alto Adige/Südtirol Trento Province Sagron Mis ⓘ Sagrón Mine	Baccos (1966)
Tuscany Grosseto Province Manciano ⓘ Tafone mine (Valle del Tafone mining area) ?	De Michele (1974)
Santa Fiora ⓘ Bagnore Mine (Le Bagnore Mine)	Baccos (1967) +4 other references
Semproniano Catabbio ⓘ Catabbio mine	Gatti (1965)
Livorno Province Livorno ⓘ Calafuria	[var: Leviglianite] Bonifazi (2020) +1 other reference
Lucca Province Seravezza Ripa ⓘ Ripa Mine ?	R. angelillis - Un escursione alla miniera cinabrifera di Ripa (Lucca)
Stazzema ⓘ Levigliani mine	[var: Leviglianite] D'Achiardi et al. (1876) +2 other references
Pontestazzemese ⓘ Buca della Vena Mine	Biagioni et al. (2009)
Siena Province Abbadia San Salvatore ⓘ Abbadia San Salvatore Mine	A. Del Caldo +2 other references
Castiglione d'Orcia Bagni San Filippo ⓘ Pietrineri mine	Meli R. (Val d'Orcia, Siena)
Piancastagnaio ⓘ Le Solforate Mine (Solforate Rosselli Mine)
ⓘ Siele-Carpine Mine
Veneto Belluno Province Gosaldo ⓘ Vallalta Mine	Baccos (1967)

Japan
Hokkaidō Prefecture Okhotsk Subprefecture Kitami City ⓘ Niko mine	Yajima (1960)
ⓘ Oketo mine	Yajima (1960)
Tokoro District ⓘ Itomuka mine	Masutomi Museum specimen (Kyoto)
Hyogo Prefecture Yabu City Sekinomiya-machi ⓘ Nakase mine (Nakaze mine)	Yajima (1960) +1 other reference
Mie Prefecture Taki District Taki ⓘ Nyu mine (Niu mine)	- (n.d.) +1 other reference
ⓘ Sana mine	- (n.d.)
Nagasaki Prefecture Sasebo City ⓘ Ainoura mine	- (2005)
Nara Prefecture Uda City ⓘ Yamato Mine (Yamato-suigin Mine)	Geology and Mineral Resources of Japan (Geological Survey of Japan, 1960) +1 other reference
Osaka Prefecture Minamikawachi district ⓘ Chihaya mine	- (n.d.) +1 other reference

Kyrgyzstan
Batken Region Kadamjay District Aydarken ⓘ Khaidarkan Sb-Hg deposit	Kolesar et al. (1993) +1 other reference
ⓘ Chauvai (Chauvay) Sb-Hg Deposit	Kolesar et al. (1993) +2 other references

Malaysia
Sarawak Kuching Division Bau ⓘ Gading deposit	Yajima (1960)

Mexico
ⓘ "Casas Viejas"	[var: Selenium-bearing Metacinnabar] Sheppard (1852)
Guerrero Taxco de Alarcón ⓘ Huahuaxtla	Gallagher et al. (1948)
ⓘ Aurora Mine	Panczner (1987)
ⓘ Esperanza Mine	Panczner (1987)
ⓘ San Luis Mine	Gallagher et al. (1948) +1 other reference
Teloloapan Municipality Teloloapan ⓘ Concepción Mine	Panczner (1987)
Queretaro Cadereyta de Montes Municipality El Doctor ⓘ San Onofre Mine	[var: Selenium-bearing Metacinnabar] Frank Keutsch collection analysis and ...
San Luis Potosí Guadalcázar Municipality ⓘ Guadalcázar	[var: Guadalcazarite] Rocks & Minerals (Jan. 1999)
ⓘ Providencia Mine	Panczner (1987)
ⓘ Trinidad Mine	[var: Selenium-bearing Metacinnabar] Panczner (1987)
Zacatecas Fresnillo Municipality ⓘ San Onofre	[var: Selenium-bearing Metacinnabar] Clark (1993)

Mongolia
Bayan-Ölgii Province Bugat District Tolbonur ore cluster ⓘ Chiyash Nur Hg-Sb occurrence	Pavlova et al. (2009)
ⓘ Sagsai Cu-Ag-Hg-Sb occurrence	Pavlova et al. (2009)

Morocco
Drâa-Tafilalet Region Tinghir Province Tinghir Cercle Imiter mining district ⓘ Imiter mine	Barral et al. (2009)

Namibia
Oshikoto Region Tsumeb ⓘ Tsumeb Mine (Ongopolo Mine)	Gebhard (1999)

New Zealand
Northland Region Whangarei District ⓘ Puhipuhi	R. Martin (NZ)

North Macedonia
Kavadarci Municipality Ržanovo ⓘ Allchar	Pavel M. Kartashov analytical data

Poland
Lower Silesian Voivodeship Wałbrzych County Boguszów-Gorce ⓘ Mercury occurrence	Sachs A. 1906: Die Bodenschätze ...

Romania
Alba County Zlatna ⓘ Dumbrava	Dr. Günter Grundmann collection
Harghita County Joseni ⓘ Belcina Creek (Belcina)	Hirtopanu et al. (2013)
Sântimbru ⓘ Sântimbru-Băi	Ed.:Szakáll S.-Kristály ...
Maramureș County Baia Sprie ⓘ Baia Sprie mine	1-Rădulescu Dan

Russia
Altai Republic Kosh-Agachsky District ⓘ Chagan-Uzun Sb-Hg deposit	Pavlova et al. (2009)
Kuray ⓘ Kuraiskoe Sb-Hg deposit	Pavlova et al. (2009)
Ulagansky District ⓘ Aktashskoye Sb-Hg deposit	Pavlova et al. (2009)
Bashkortostan Uchalinsky District ⓘ Zapadno-Ozernoye Cu deposit	Belogub et al. (2003) +2 other references
Kamchatka Krai Bystrinsky District ⓘ Apapel’sky springs	Okrugin
Yelizovsky District Kronotsky Reserve ⓘ Uzon Caldera	Active Volcanoes of Kamchatka
Orenburg Oblast Gaysky District ⓘ Gayskoe Zn-Cu deposit (Gayskoye; Gaiskoye) ?	Belogub et al. (2008)
Sakha Ust-Yansky District ⓘ Gal-Khaya As-Hg-Sb Deposit	Anthony et al. (1990) +1 other reference
Sakhalin Oblast Kuril Islands Yuzhno-Kurilsky District Kunashir Island ⓘ Mendeleev volcano (Ruasu-dake)	[var: Selenium-bearing Metacinnabar] Pavel M. Kartashov (n.d.)
Sakhalin Island Makarovsky District ⓘ Pugachev Mud Volcano	Sokol et al. (2021)
Sverdlovsk Oblast Serovsky District Turya river Tur'insk ⓘ Vorontsovskoe deposit (Vorontsovsk gold deposit; Vorontsovka deposit)	Kasatkin et al. (2018) +3 other references
Tuva Pi-Khem District Uyuk Range ⓘ Arzak Hg occurrence (Arzakskoye)	Vasil'ev et al. (1999) +1 other reference
Oorash-Khem River Valley ⓘ Kadyrel' Hg occurrence	Pekov (1998) +1 other reference

Serbia
ⓘ Boranja orefield	Slobodan A. Radosavljević et al. (2013)
Krupanj ⓘ Rujevac Sb-Zn-Pb Deposit	Radosavljević +3 other references

Slovakia
Banská Bystrica Region Banská Bystrica District Malachov ⓘ Malachov mercury deposit	Koděra et al. (1986)
ⓘ Medzibrod	Koděra et al. (1986)
Košice Region Gelnica District Gelnica ⓘ Perlová dolina	Háber et al. (SGR)
ⓘ Zenderling Hg deposit	Háber et al. (SGR)
Rožňava District Nižná Slaná ⓘ Svätá Trojica deposit	Koděra et al. (1986)
Prešov Region Prešov District Červenica Dubník ⓘ Slávik adit	Koděra et al. (1986)
Zlatá Baňa ⓘ Zlatá Baňa deposit	Duda et. all.
ⓘ Base metal deposit	Ďuďa R. (2001)
Snina District ⓘ Ladomirov	Pauliš
Vranov nad Topľou District ⓘ Hermanovce nad Topľou	Koděra et al. (1986)
Komárany ⓘ Merník mercury deposit	Ďuďa
Nová Kelča ⓘ Nová Kelča mercury deposit	Koděra et al. (1986)

Slovenia
Idrija ⓘ Idria Mine (Idrija Mine)	Bancroft et al. (1991) +3 other references
Litija ⓘ Sitarjevec mine	Scopolia - Journal of the Slovenian ...

South Africa
Limpopo Mopani District Municipality Ba-Phalaborwa Local Municipality Murchison Range Gravelotte Monarch Cinnabar mine ⓘ Harrington Kop lode	Cairncross et al. (1995)

Spain
Andalusia Almería Pulpí ⓘ Azogue Valley mercury deposit	Mendoza et al. (2006) +1 other reference
Seville Gerena ⓘ Las Cruces Mine	Cesar Menor Salvan
Castile-La Mancha Ciudad Real Almadén ⓘ Almadén Mine	Calvo Rebollar (2003)
ⓘ Las Cuevas Mine	Sainz de Baranda Graf et al. (2019)
ⓘ Pozo de San Teodoro	Fabre (n.d.)
Almadenejos ⓘ El Entredicho Mine	Olia et al. (1990) +1 other reference
Extremadura Badajoz Usagre ⓘ Mariquita Mine (Sultana Mine)	Miras (1991) +1 other reference

Tajikistan
Sughd Gissar Range ⓘ Jijikrut (Dzhidzhikrut)	Pavel M. Kartashov (n.d.)

Turkey
İzmir Province Beydağ District ⓘ Halıköy Hg deposit	Özgür et al. (1997)
Karaburun Peninsula Karaburun ⓘ Kalecik Mine	Mehmet Yildiz and Edgar H. Bailey (1978)
ⓘ Karareis Mine	Mehmet Yildiz and Edgar H. Bailey (1978)

Turkmenistan
Ahal Region Bäherden ⓘ Köw Ata cave / underground lake	Onac (2025)
Lebap Region South Tien-Shan Mountains Kugitangtau Ridge ⓘ Kap-Kutan Cave System (Karljuk Cave System; Cupp-Coutunn Cave)	fadr.msu.ru (1998)

UK
England North Yorkshire Craven Grassington Grassington Moor ⓘ ~~Turf Pits Mine (West Turf Pits Mine)~~	Kingsbury (1968) +1 other reference

Ukraine
Crimea Simferopol area Malyi Salgir Valley Kara-Oba Mountain ⓘ Malosalgirskoye cinnabar-ore occurrences	Geologiya rtutnyhmestorogdeniy i proyavleniy Ukrainy (Geology of mercurial deposits and ore occurences in Ukraine)
Donetsk Oblast Gorlovka ⓘ Nikitovka Hg deposit (Nikitovka ore field)	[World of Stones 12:20]
Zakarpattia Oblast Mukachevo Raion ⓘ Olenevo	Pekov (1998)

USA
Alaska Bethel Census Area Aniak Mining District ⓘ Landru Occurrence	- (2008)
Arizona Gila County ⓘ Sunflower Mining District (Mazatzal Mountains Mining District; Mazatzal Mountains Quicksilver Mining District)	Anthony et al. (1995)
ⓘ Alder Creek area	Anthony et al. (1995)
Kayler Butte area ⓘ Slate Creek	Lausen (1926) +1 other reference
La Paz County Dome Rock Mountains La Cholla Mining District Cinnabar ⓘ Cinnabar Mine
Plomosa Mountains Plomosa Mining District ⓘ Colonial Mine	Galbraith (1947) +1 other reference
Maricopa County ⓘ Rico group of claims (Rico Mercury)	MRDS file #10040371.
Sunflower Mining District (Mazatzal Mountains Mining District; Quicksilver Mining District) Gila County belt ⓘ L and N group of claims (Oneida group; Ward group)	MRDS file #10040378.
Maricopa County belt ⓘ Sunflower Mine	Orr (1990)
ⓘ Mazatzal Mountains	Lausen (1926) +1 other reference
Arkansas Clark County ⓘ Caddo Mine	- (2005)
ⓘ Humphrey No. 34 Mine (Hill 34 Mine; Mercury Mining Corp. Mine)	- (2005)
ⓘ Humphrey No. 6 Mine	- (2005)
Howard County Southwest Arkansas Mercury Mining District ⓘ Rock Fence Mine	Rocks & Min.: 63:110.
ⓘ Mercury District of Southwest Arkansas	- (2005)
Pike County ⓘ East Gap Ridge Mine	- (2005)
ⓘ Funderburk prospect	Roberts et al. (2003)
ⓘ Hales Mine (Ajax Mine; Hales Mining and Development Co; Norton and Wright; Ajax Mercury Co; Hales) Lake Greeson	- (2005)
ⓘ Interstate Mill Facility (Funk Property; V.B. Lewis Property; Vb Lewis Property)	- (2005)
Lake Greeson ⓘ Gap Ridge Mine	- (2005)
ⓘ Isabell Mine (Isabell Prospect; Isabell Hill Mine; Craig Mine)	Rocks & Minerals (1988) +1 other reference
ⓘ Isabell West Mine	Rocks & Minerals (1988) +1 other reference
ⓘ Parker Hill Mine	- (2005)
ⓘ U.S. Mercury Company Mine	- (2005)
ⓘ Mercury District of Southwest Arkansas	- (2005)
Nutts ⓘ Mac-Holmes and Research Mining Co. Mine (Caponetto shaft; Valley Mine)	- (2005)
ⓘ Wheelers Property	- (2005)
California Colusa County Coast Ranges Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Wilbur Springs Cherry Hill deposit ⓘ Manzanita Mine	Becker (1888b) +1 other reference
Contra Costa County Clayton Mount Diablo (Mt Diablo) ⓘ Mount Diablo Mine	Ross (1940a) +2 other references
North Peak ⓘ Perkins Canyon prospect [2] (Prospects in Perkins Canyon)	Pampeyan (1963) +1 other reference
Del Norte County Klamath Mountains Patrick Creek Mining District High Dome ⓘ Webb Mine	- (2005)
Fresno County Archer Camp ⓘ Archer Mine	- (2005)
Inyo County Amargosa Range Funeral Mts (Funeral Range) Chloride Cliff Mining District (South Bullfrog Mining District) Chloride City Chloride Cliff ⓘ Chloride Cliff Mine	Waring (1919) +3 other references
Argus Mts (Argus Range) Reilly (Anthony Mill ruins) ⓘ Rocket claim	Norman (1951) +1 other reference
Coso Hot Springs ⓘ Coso Hot Springs deposit	Warner (1930) +1 other reference
ⓘ Coso Mine (Devil's Kitchen; Atlas; Lynch & Lynch; Nicol; Walley-Mickey & Wheeler)	www.mineralsocal.org (1999) +1 other reference
ⓘ Wheeler Area Mine (Coso Mine)	- (2005)
Darwin Hills Darwin Mining District Darwin ⓘ St. Charles Mine	Mineral News: 16 (9) +2 other references
Last Chance Range Crater ⓘ Last Chance Peak Mine (Last Chance Mountain Mine; El Capitan Mine; El Capitam Mine)	Hill (1972) +2 other references
Kern County Boron ⓘ Kramer Borate deposit	U.S. Borax
Kings County ⓘ Dawson Mine (Dawson pit)	Bailey (1942) +2 other references
ⓘ Kings Mine	Bailey (1942) +3 other references
ⓘ Little Kings Mine (Southern Pacific property)	- (2005)
Lake County East Mayacmas Mining District Castle Rock Springs ⓘ Helen Mine (Helen Mine group; Dead Broke Mine; American Mine)	Yates (1946) +2 other references
Middletown Great Western-Mirabel group ⓘ Great Western Mine (Laguna Western; Black Bart Mine; Tucker lease)	Hanks (1884) +3 other references
ⓘ Mirabel Mine	Rocks & Minerals: 19: 40-41 +3 other references
Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Clear Lake Oaks ⓘ Sulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits)	Econ Geol (1988) +1 other reference
Lower Lake ⓘ Baker Mine	Becker (1888b) +2 other references
Wilbur Springs area ⓘ Abbott Mine (Abbott Quicksilver Mine)	Forstner (1903) +1 other reference
Lassen County Amedee Hot Springs (Amedee Springs) ⓘ Amedee Hot Springs Hg occurrence	Dickson et al. (1959) +1 other reference
ⓘ Mayacamas Mountains	www.mineralsocal.org (1999)
Modoc County Cedarville ⓘ Cedarville Hot Springs prospect	Raab et al. (1969) +2 other references
Monterey County Parkfield ⓘ Patriquin Mine (Cholame-Parkfield Mine; Paloma Mining Company; Franciscan Mine; Pitts Mine)	- (2005)
ⓘ Unspecified Hg occurrence [1]	Forstner (1903) +1 other reference
Santa Lucia Mts (Santa Lucia Range) Los Burros Mining District Burro Mountain ⓘ Old Murry Mine (Murray Mine; Old Murray No. 1 Mine; Dutro Mine; Dutra Mine) ?	Holmes (1965) +3 other references
Napa County Calistoga Twin Peaks ⓘ Corona Mines (Vallejo Mines)	Pemberton (1983) +1 other reference
East Mayacmas Mining District Aetna Springs ⓘ Aetna Mine	Melville et al. (1890) +3 other references
ⓘ Oat Hill Mines	Murdoch (1966)
Knoxville Mining District Knoxville ⓘ McLaughlin Mine (Manhattan Mine)	Kim et al. (2004)
ⓘ Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine) (TL)	USBM IC8252 +7 other references
Orange County Tustin ⓘ Browning Mine	Rocks & Min.: 18:307.
San Joaquin Ranch ⓘ Red Hill Mine (Red Hill deposit; Tustin Mine; San Joaquin Ranch Mine)	Genth (1892) +1 other reference
San Benito County Central San Benito Mining District Llanada ⓘ Cerro Bonito Mine (Mathews Mine)	Yates (1945) +3 other references
ⓘ Lea-Grant Mine (Lea Grant Mine; Toothache Mine; Wild Turkey Mine; Juniper Mine; Jupiter Mine)	Yates (1945) +2 other references
ⓘ Valley View Mine (Panoche Mine)	Ransome (1939) +4 other references
Cherry Peak ⓘ Cerro Gordo Mine (Bradford Mine)	Becker (1888b) +3 other references
Goat Mountain ⓘ Clear Creek claim	Dunning +1 other reference
Idria (New Idria) ⓘ Molina Mine	- (2005)
ⓘ New Idria Mine (New Idria group; New Hope vein)	[var: Selenium-bearing Metacinnabar] Murdoch (1966) +3 other references
ⓘ San Carlos Mine (New Idria-San Carlos Mine)	- (2005)
Picacho Peak ⓘ Flint group	Murdoch (1966)
ⓘ Picacho Mine (Ramirez Consolidated Mine; Picachos Mine; Los Picachos Mine; Picahotes Mine; Benta Mine; Hernandez Mine; Ramirez Mine; Bonanza Mine)	Rogers (1912) +1 other reference
San Benito ⓘ Butts Mine (Butts Quicksilver Mine; IXL Mine)	Bradley (1918) +1 other reference
San Luis Obispo County Santa Lucia Mts (Santa Lucia Range) Adelaide Mining District (Adelaide Klau Mining District) Adelaida Klau Mine group ⓘ Klau Mine (Sierra Morena Mine; Karl Mine; Santa Cruz Mine; Sunderland Mine; Carson Mine)	Davis (1966) +2 other references
ⓘ La Libertad Mine (Belt Mine; Jacks 7X; Thompson Mine)	Mining and Scientific Press (1904) +1 other reference
Cambria-Oceanic Mining District Cambria Pine Mountain Pine Mountain deposit ⓘ Doty Mine	- (2005)
Rinconada ⓘ Rinconada Mine (Rinconada deposit; Claus Mine; San Jose Valley)	- (2005)
San Mateo County Redwood City ⓘ Challenge deposit	Dunning
ⓘ Farm Hill No. 2 Mine (Emerald Lake Mine; Upper Emerald Lake deposit; Farm Hill Cinnabar property)	Davis (1955) +4 other references
Santa Barbara County San Rafael Mountains ⓘ Cachuma Mining District ?	Pemberton (1983) +1 other reference
ⓘ Santa Clara County
New Almaden Mining District New Almaden ⓘ Guadalupe Mine	Melville (1890) +2 other references
ⓘ New Almaden Mine (New Almaden Mines)	Melville (1890) +1 other reference
Stayton Mining District (McLeod Mining District; Panoche Mining District) Pacheco Peak ⓘ Comstock Mine	Bailey (1942) +3 other references
Siskiyou County Klamath Mountains Beaver Creek Mining District Cinnabar Springs ⓘ Cowgill Mine (Ivanhoe group; Mount Shasta Cinnabar Mine; Mount Shasta Mine)	Hobson (1890) +3 other references
Solano County Vallejo Sulfur Springs Mountain ⓘ Hastings Mine	Bradley (1918) +3 other references
Sonoma County Coast Range Guerneville Mining District Guerneville ⓘ Great Eastern and Mount Jackson Mine	Pemberton (1983) +1 other reference
Warm Springs Dam Skaggs Springs ⓘ Skaggs Springs Mine	Wright et al. (1930) +5 other references
ⓘ Unnamed Hg occurrence [1]	Pemberton (1983) +1 other reference
West Mayacmas Mining District Castle Rock Springs area ⓘ Eureka Mine (Flagstaff Mine)	Forstner (1903) +2 other references
ⓘ Socrates Mine	Committee et al. (1989)
Cloverdale North Fork Little Sulphur Creek ⓘ Culver-Baer Mine	Forstner (1903) +4 other references
The Geysers ⓘ Commonwealth Consolidated Mine	Crawford (1894) +1 other reference
Yolo County Coast Ranges Knoxville Mining District Knoxville area ⓘ Reed Mine (California Mine; Royal Mine; Soda Springs Mine)	Hanks (1884) +4 other references
Idaho Blaine County Hailey Mining District ⓘ Deer Creek Occurrence (Dockwell Tunnel)	Ream (1995)
Valley County Big Creek Mining District ⓘ B & B deposit (Dundee)	Leonard et al. (1978) +1 other reference
Michigan Baraga County Huron River ⓘ Huron River Uranium prospect (MRDS - 10171055)	Travis Olds collection
Nevada Churchill County Alpine Mining District ⓘ Senator Williams Mine	Castor et al. (2004)
ⓘ Senator fumaroles	Castor et al. (2004)
Elko County Bootstrap Mining District ⓘ Meikle Mine	Barrick Gold Corporation
ⓘ Purple Vein prospect	- (2005)
ⓘ Ivanhoe Mining District	LaPointe et al. (199)
ⓘ Mountain King mine	Castor et al. (2004)
ⓘ Silver Cloud Mine	- (2005)
ⓘ Silver Cloud Mine (New Verde Mine)	NBMG Open File report 83-9
ⓘ Rock Creek Mining District ?	LaPointe et al. (199)
Eureka County Beowawe Mining District ⓘ Hot Springs Point mine	Castor et al. (2004)
Humboldt County National Mining District ⓘ Buckskin Mountain	Vikre (1985) +1 other reference
Osgood Mountains Potosi Mining District Adam Peak ⓘ Getchell Mine	Castor et al. (2004)
Lander County Wild Horse Mining District ⓘ McCoy mine	- (2005)
Lincoln County Don Dale Mining District ⓘ Andies mine	- (2005)
Mineral County Pilot Mountains ⓘ Pilot Mountains District	Castor et al. (2004)
ⓘ Keg prospect (Keg and Barrel prospect)	U.S.G.S. Bulletin 973E +2 other references
Rawhide Mining District ⓘ Seminole-Regent Mine	Castor et al. (2004)
ⓘ Stockton Property	Castor et al. (2004)
Nye County Bare Mountain ⓘ Bare Mountain Mining District (Fluorine Mining District)	Castor et al. (2004)
ⓘ Bombassei Prospect	- (2005)
Hot Creek Range Tybo Mining District ⓘ A and B Mine	Kleinhampl et al. (1984)
Paradise Peak Mining District Paradise Peak [summit] Paradise Peak [town] Paradise Peak Mine (Goose Mine; Granny Goose; Paradise; FMC deposit; NBMG Sample Sites 1472 - 1473; Goose claims; Gabbs Mine; Nody prospect; Finger Rock prospect; County Line; Ketchup Flat; Paradise Peak project; Sullivan/Paradise Peak) ⓘ Paradise Peak mine open pit	John et al. (1989)
Toquima Range Belmont Mining District ⓘ Mariposa Canyon prospect	Castor et al. (2004)
Round Mountain Mining District ⓘ Mariposa Canyon	- (2005)
ⓘ Senator (Red Bird Toquima)	J.V. Tingley and J. Quade (1986) +3 other references
Pershing County Antelope Springs Mining District ⓘ Montgomery mine	- (2005)
ⓘ Pershing Mine (Pershing Quicksilver Mine)	- (2005)
ⓘ Red Bird Mine	Castor et al. (2004)
Washoe County Steamboat Springs Mining District ⓘ Steamboat Hot Springs	Castor et al. (2004)
ⓘ Steamboat Springs mine (silica pit)	- (2005)
Oregon Douglas County Bonanza Area ⓘ Bonanza Mine	- (2005)
Elkhead ⓘ Elkhead Mine	- (2005)
Jackson County Evans Creek Mining District ⓘ Chisholm Claims (Shamrock Mine; Mrs. Dewey; Little Jean)	- (2005)
Meadows Mining District ⓘ Chisholm (Shamrock Mine; Mrs. Dewey; Little Jean)	- (2005)
Jefferson County ⓘ Horse Heaven Mining District	USGS Bull 969
ⓘ Horse Heaven Mine	- (2005)
Lane County Black Butte Mining District ⓘ Black Butte Mine	- (2005)
Malheur County Opalite Mining District (McDermitt Mining District) ⓘ Bretz Mine	Natural History Museum Vienna collection (catalogued in 1937)
Marion County Santiam Mining District (Elkhorn Mining District) Breitenbush-Austin Hot Springs area ⓘ Cinnabar Occurrence	- (2005)
Texas Brewster County ⓘ Little 38 Mine	- (2005)
ⓘ Mariposa Mine	Smith (1991)
ⓘ Tarrant mine	Price (1983)
ⓘ Terlingua Mining District	Origlieri (1990)
Utah Garfield County Spry Mining District ⓘ Dog Valley Prospects	- (2005)
ⓘ Veater Mercury Prospect	- (2005)
Piute County Mount Baldy-Ohio Mining District ⓘ Lucky Boy Mine	[var: Selenium-bearing Metacinnabar] Mccaskey +1 other reference
Tooele County Stansbury Mountains Free Coinage Mining District Timpie Canyon ⓘ Ruby Crystal Mine	Bullock (1981)
ⓘ Timpie Valley Mine	Bullock (1981)
Willow Springs Mining District ⓘ Congar Hill Mine	Bullock (1981) +1 other reference
Washington County Washington Dome Mining District ⓘ Washington Dome Hg Prospect	Hayden et al. (2005)
Washington King County Green River Area ⓘ Cardinal Reward Mine	Cannon (1975)
ⓘ Royal Reward Mine Area	Cannon (1975) +1 other reference
Yakima County ⓘ Wildcat Creek	- (2005)
ⓘ Wildcat Creek Claim	tin.er.usgs.gov (n.d.)

Uzbekistan
Navoiy Central Kyzylkum Region ⓘ Kul'dzhuk deposit	Minerals of Uzbekistan (1975)

The Moon
Taurus-Littrow Valley ⓘ Apollo 17 landing site	Rybchuk et al. (2020)

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Metacinnabar

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