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Carrboydite

A valid IMA mineral species - questionable
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About CarrboyditeHide

Formula:
(Ni1-xAlx)(SO4)x/2(OH)2 · nH2O
(x<0.5, n>3x/2)
Colour:
Yellowish-green, blue-green
Lustre:
Waxy, Dull
Specific Gravity:
2.50
Crystal System:
Hexagonal
Name:
Named for the Carr Boyd nickel mine, Australia, the type locality.
As part of the recent re-evaluation of the nomenclature of the hydrotalcite supergroup (Mills et al., 2012), carrboydite was identified as a questionable species which needs further investigation.


Unique IdentifiersHide

Mindat ID:
910
Long-form identifier:
mindat:1:1:910:4

IMA Classification of CarrboyditeHide

Approved, Questionable
IMA Formula:
Ni2+14Al9(S6+O4)6(OH)43·7H2O
Approval year:
1974
First published:
1976

Classification of CarrboyditeHide

7.DD.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
31.10.1.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
12.2.22

12 : Carbonates with other anions
2 : Carbonates with sulphate

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.

SymbolSourceReference for Standard
CbyIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
CbyWarr (2020)Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of CarrboyditeHide

Waxy, Dull
Transparency:
Translucent
Colour:
Yellowish-green, blue-green
Density:
2.50 g/cm3 (Measured)    2.692 g/cm3 (Calculated)

Optical Data of CarrboyditeHide

Type:
Uniaxial (-)
RI values:
nω = 1.56 nε = 1.54
Max. Birefringence:
δ = 0.020
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Moderate
Comments:
may be biaxial (–)

Chemistry of CarrboyditeHide

Mindat Formula:
(Ni1-xAlx)(SO4)x/2(OH)2 · nH2O

(x<0.5, n>3x/2)

Crystallography of CarrboyditeHide

Crystal System:
Hexagonal
Cell Parameters:
a = 9.14 Å, c = 10.34 Å
Ratio:
a:c = 1 : 1.131
Unit Cell V:
748.07 ų (Calculated from Unit Cell)
Z:
1
Comment:
Point Group: n.d; Space Group: n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.5 Å(vs)
5.25 Å(s)
2.55 Å(ms)
3.48 Å(m)
1.51 Å(m)
2.62 Å(w)
2.36 Å(wb)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]

Type Occurrence of CarrboyditeHide

Place of Conservation of Type Material:
Western Australian Museum, Perth, Australia, M.74.1991.
National Museum of Natural History, Washington, D.C., USA, 135930.
Geological Setting of Type Material:
secondary mineral in the oxidized zone of nickel sulfide deposits
Associated Minerals at Type Locality:

Synonyms of CarrboyditeHide

Other Language Names for CarrboyditeHide

Relationship of Carrboydite to other SpeciesHide

Other Members of Glaucocerinite Group:
Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m(32/m) : R3m
Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
Zincaluminite(Zn1-xAlx)(SO4)x/2(OH)2 · nH2O

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Carrboydite associated with GypsumCaSO4 · 2H2O
2 photos of Carrboydite associated with GaspéiteNiCO3
1 photo of Carrboydite associated with Aurichalcite(Zn,Cu)5(CO3)2(OH)6
1 photo of Carrboydite associated with GillarditeCu3Ni(OH)6Cl2
1 photo of Carrboydite associated with JarositeKFe3+3(SO4)2(OH)6

Related Minerals - Strunz-mindat GroupingHide

7.DD.AsagiiteNiCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.07LlantenesiteCu6Al[SeO4](OH)12Cl · 3H2OTrig. 3m : P31c
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10FehriteMgCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.10GobeliniteCoCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/m
7.DD.15KobyasheviteCu5(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P31c
7.DD.15'Unnamed (Dimorph of Devilline)'CaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.20KtenasiteZnCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6 · 4H2O Mon. 2/m : P21/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30SerpieriteCa(Cu2+,Zn2+)4(S6+O4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon. 2 : B2
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35Zincaluminite(Zn1-xAlx)(SO4)x/2(OH)2 · nH2O
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OHex.
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m(32/m) : R3m
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m(32/m) : P3c1
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m(32/m) : R3m
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m(32/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40IsseliteCu6(SO4)(OH)10(H2O)4 · H2OOrth. mm2 : Pmn21
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.45Hodgesmithite(Cu,Zn)6Zn(SO4)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.47LahnsteiniteZn4(SO4)(OH)6 · 3H2OTric. 1 : P1
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.50Minohlite(Cu,Zn)7(SO4)2(OH)10 · 8H2OHex.
7.DD.52LauraniiteCu6Cd2(SO4)2(OH)12 · 5H2OMon. 2/m : P21/b
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75NickelalumiteNiAl4(SO4)(OH)12(H2O)3Mon. 2/m
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12 · 3H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig. 3
7.DD.80'UM1992-30-SO:CCuHZn'(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CarrboyditeHide

References for CarrboyditeHide

Reference List:

Localities for CarrboyditeHide

Showing 3 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.
Australia
 
  • Western Australia
    • Coolgardie Shire
      • Widgiemooltha
Nickel et al. (1993) +2 other references
    • Menzies Shire
      • Menangina Station
Pryce et al. (1974) +4 other references
Portugal
 
  • Aveiro
    • Albergaria-a-Velha
      • Branca
Antonio Jesus Pimentel specimens +1 other reference
 
and/or  
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