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Catamarcaite

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Formula:
Cu6GeWS8
Colour:
Grey
Lustre:
Metallic
Hardness:
Specific Gravity:
4.892 (Calculated)
Crystal System:
Hexagonal
Name:
After the Province of Catamarca, where the new mineral species was found.
Chemically related to kiddcreekite, Cu6SnWS8, and hemusite, Cu6SnMoS8.


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Classification of CatamarcaiteHide

Approved
Approval Year:
2003
2.CB.35b

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.

Physical Properties of CatamarcaiteHide

Metallic
Transparency:
Opaque
Colour:
Grey
Streak:
Black
Hardness:
3½ on Mohs scale
Hardness:
VHN25=193 - 264 kg/mm2 - Vickers
Tenacity:
Brittle
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
4.892 g/cm3 (Calculated)
Comment:
Calculated for ideal composition

Optical Data of CatamarcaiteHide

Type:
Anisotropic
Anisotropism:
weak
Bireflectance:
absent in air, very weak in oil
Reflectivity:
470 nmR1=24.5%R2=25.2%
546 nmR1=24.1%R2=24.5%
589 nmR1=24.5%R2=25.1%
650 nmR1=23.4%R2=23.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 25.2%.
R1 shown in black, R2 shown in red
Colour in reflected light:
greyish white with a distinct brownish tint
Internal Reflections:
red (occasionally observed along fractures)
Pleochroism:
Non-pleochroic

Chemical Properties of CatamarcaiteHide

Formula:
Cu6GeWS8
Common Impurities:
Ag,Fe

Crystallography of CatamarcaiteHide

Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 7.5238 Å, c = 12.39 Å
Ratio:
a:c = 1 : 1.647
Unit Cell V:
607.4 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.767 (100)
3.215 (25)
3.151 (35)
2.884 (28)
2.416 (26)
1.972 (24)
1.881 (48)
1.744 (26)

Type Occurrence of CatamarcaiteHide

General Appearance of Type Material:
Thin rims lining cavities and fractures in chalcocite–bornite ore, and aggregates, up to 1 mm in size, composed of anhedral to subhedral, intensely twinned grains within digenite – chalcocite – sphalerite ore.
Associated Minerals at Type Locality:

Synonyms of CatamarcaiteHide

Other Language Names for CatamarcaiteHide

Simplified Chinese:硫钨锗铜矿
Traditional Chinese:硫鎢鍺銅礦

Related Minerals - Nickel-Strunz GroupingHide

2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.05aColoradoiteHgTeIso. m3m (4/m 3 2/m)
2.CB.05aHawleyiteCdSIso. 4 3m : F4 3m
2.CB.05aMetacinnabarHgSIso. 4 3m : F4 3m
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05aSphaleriteZnSIso. 4 3m : F4 3m
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSe
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet.
2.CB.10aGalliteCuGaS2Tet. 4 2m : I4 2d
2.CB.10bHaycockiteCu4Fe5S8Orth. 2 2 2
2.CB.10aLenaiteAgFeS2Tet. 4 2m : I4 2d
2.CB.10bMooihoekiteCu9Fe9S16Tet.
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso.
2.CB.10aRoquesiteCuInS2Tet. 4 2m : I4 2d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.CB.10aLaforêtiteAgInS2Tet. 4 2m : I4 2d
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet. 4 2m : I4 2m
2.CB.15aFerrokësteriteCu2(Fe,Zn)SnS4Tet. 4 : I4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aKësteriteCu2ZnSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet.
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth.
2.CB.15aVelikiteCu2HgSnS4Tet.
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.30ColusiteCu12VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso.
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso.
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso.
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso.
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 4 3m : F4 3m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 4 2m : P4 2c
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.55aCubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.55bIsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.60PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.60RaguiniteTlFeS2Orth.
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.70SulvaniteCu3VS4Iso.
2.CB.75VulcaniteCuTeOrth.
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

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.

References for CatamarcaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Putz, H., Paar, W. H., Topa, D., Makovický, E., Roberts, A. C. (2006): Catamarcaite, Cu6GeWS8, a new species of germanium–tungsten sulfide from Capillitas, Catamarca, Argentina: description, paragenesis and crystal structure. Canadian Mineralogist, 44, 1481-1497.

Internet Links for CatamarcaiteHide

Localities for CatamarcaiteHide

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 ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina (TL)
 
  • Catamarca
    • Andalgalá Department
Paar, W., Roberts, A.C., Topa, D., Zagler, G., Berlepsch, P., Armbruster, Th. (2004): Putzite, (Cu4.7 Ag3.3)GeS6, a new mineral species from Capillitas, Catamarca, Argentina: description and crystal structure. Canadian Mineralogist: 42: 1757-1769. ; DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.
PUTZ, Hubert; PAAR, Werner H and TOPA, Dan. A contributionto the knowledge of the mineralization at mina Capillitas, Catamarca. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 514-524.
Mineral and/or Locality  
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