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Cadmoselite

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Formula:
CdSe
Colour:
Black
Lustre:
Adamantine, Resinous
Hardness:
4
Specific Gravity:
5.47
Crystal System:
Hexagonal
Member of:
Name:
For the chemistry of the mineral.
A cubic HP polymorph is already known (see the above link).


Hide all sections | Show all sections

Classification of CadmoseliteHide

Approved, 'Grandfathered' (first described prior to 1959)
2.CB.45

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 7th ed.:
2.8.7.3
2.8.7.3

2 : SULFIDES
8 : AmXp, with m:p = 1:1
3.4.9

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
4 : Sulphides etc. of Group II metals other than Hg (Mg, Ca, Zn, Cd)

Physical Properties of CadmoseliteHide

Adamantine, Resinous
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
Hardness:
VHN100=203 - 222 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect, prismatic?
Density:
5.47 g/cm3 (Measured)    5.807 g/cm3 (Calculated)

Optical Data of CadmoseliteHide

Type:
Anisotropic
Anisotropism:
Weak
Colour in reflected light:
Light gray, slightly brown in oil
Internal Reflections:
Brownish

Chemical Properties of CadmoseliteHide

Formula:
CdSe
Common Impurities:
Fe,Zn,S

Crystallography of CadmoseliteHide

Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 4.271 Å, c = 6.969 Å
Ratio:
a:c = 1 : 1.632
Unit Cell V:
110.09 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Cements in sandstone, horizontally striated hexagonal pyramids to 0.1mm.

Type Occurrence of CadmoseliteHide

Geological Setting of Type Material:
Sedimentary rocks in an alkaline, reducing environment.

Synonyms of CadmoseliteHide

Other Language Names for CadmoseliteHide

Varieties of CadmoseliteHide

Relationship of Cadmoselite to other SpeciesHide

Member of:
Other Members of this group:
Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
GreenockiteCdSHex. 6mm : P63mc
RambergiteMnSHex. 6mm : P63mc
Wurtzite(Zn,Fe)SHex. 6mm : P63mc

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz2 photos of Cadmoselite associated with Quartz on mindat.org.
Sphalerite2 photos of Cadmoselite associated with Sphalerite on mindat.org.
Clausthalite1 photo of Cadmoselite associated with Clausthalite on mindat.org.

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.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
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

Related Minerals - Dana Grouping (8th Ed.)Hide

2.8.7.1Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.8.7.2GreenockiteCdSHex. 6mm : P63mc

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.4.1Niningerite(Mg,Fe2+,Mn2+)SIso.
3.4.2Oldhamite(Ca,Mg)SIso. m3m (4/m 3 2/m) : Fm3m
3.4.3MátraiteZnSTrig.
3.4.4SphaleriteZnSIso. 4 3m : F4 3m
3.4.5Wurtzite(Zn,Fe)SHex. 6mm : P63mc
3.4.6StilleiteZnSe
3.4.7GreenockiteCdSHex. 6mm : P63mc
3.4.8HawleyiteCdSIso. 4 3m : F4 3m

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 CadmoseliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 43: 623.

Internet Links for CadmoseliteHide

Localities for CadmoseliteHide

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
 
  • La Rioja
    • General Lamadrid department
      • Villa Castelli
        • Sierra de Cacho
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); de Brodtkorb, M. K., & Crosta, S. (2010). Reseña de la ubicación geográfica de los seleniuros de la Sierra de Umango, provincia de La Rioja. Revista de la Asociación Geológica Argentina, 67(2), 272-279.
Canada
 
  • Ontario
    • Cochrane District
      • Timmins area
        • Kidd Township
ontariominerals.com; Thorpe, R.I., Pringle, G.J. & Purr, A.G. (1976): Occurrence of selenide and sulphide minerals in bornite ore of the Kidd Creek massive sulphide deposit, Timmins, Ontario. Geol. Sun, Can. Pap. 76-lA,
Russia (TL)
 
  • Eastern-Siberian Region
    • Tuva Republic
      • Turan District
ZVMO,(1957) 86, 626-628; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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