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Cadmoselite

A valid IMA mineral species - grandfathered
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About CadmoseliteHide

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).


Unique IdentifiersHide

Mindat ID:
844
Long-form identifier:
mindat:1:1:844:2

IMA Classification of CadmoseliteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Cd2+Se2-
First published:
1957

Classification of CadmoseliteHide

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)

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

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

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

Chemistry of CadmoseliteHide

Mindat Formula:
CdSe
Element Weights:
Element% weight
Cd58.740 %
Se41.260 %

Calculated from ideal end-member formula.
Cd
Se
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.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019175CadmoseliteFreeman D K, Mair S L, Barnea Z (1977) The structure and Bijvoet ratios of cadmium selenide Acta Crystallographica A33 355-3591977synthetic0293
0015178CadmoseliteXu Y N, Ching W Y (1993) Electronic, optical, and structural properties of some wurtzite crystals Physical Review B48 4335-435119930293
0011541CadmoseliteWyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 85-23719630293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.13 Å(100)
1.816 Å(80)
3.67 Å(70)
1.96 Å(70)
1.196 Å(70)
1.026 Å(70)
1.433 Å(60)

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of CadmoseliteHide

General Appearance of Type Material:
Fine xenomorphic disseminations cementing sandstone.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 72553.
Geological Setting of Type Material:
Sedimentary rocks in an alkaline, reducing environment.
Associated Minerals at Type Locality:

Synonyms of CadmoseliteHide

Other Language Names for CadmoseliteHide

Varieties of CadmoseliteHide

Relationship of Cadmoselite to other SpeciesHide

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

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Cadmoselite associated with QuartzSiO2
3 photos of Cadmoselite associated with ClausthalitePbSe
3 photos of Cadmoselite associated with SphaleriteZnS
1 photo of Cadmoselite associated with CadvaniteCd(VO3)2

Related Minerals - Strunz-mindat GroupingHide

2.CB.RichardsiteZn2CuGaS4Tet. 42m : I42m
2.CB.OkruginiteCu2SnSe3Mon. m : Bb
2.CB.HanswilkeiteKFeS2Mon. 2/m : B2/b
2.CB.AuroselenideAuSeMon. 2/m : B2/m
2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso. 43m : I43d
2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.TolstykhiteAu3S4Te6Tric. 1 : P1
2.CB.GachingiteAu(Te1-xSex)Orth. mmm(2/m2/m2/m)
2.CB.05aHawleyiteCdSIso. 43m : F43m
2.CB.05'UM1998-15-S:CuFeZn'Cu2Fe3Zn5S10
2.CB.05aColoradoiteHgTeIso. 43m : F43m
2.CB.05aMetacinnabarHgSIso. 43m : F43m
2.CB.05aTiemanniteHgSeIso. 43m : F43m
2.CB.05aSphaleriteZnSIso. 43m : F43m
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05aRudashevskyite(Fe,Zn)SIso. 43m : F43m
2.CB.05aStilleiteZnSeIso. 43m : F43m
2.CB.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso. 43m : F43m
2.CB.07a'Unnamed (Cu-Mn-Sn Sulphide)'Cu2MnSnS4
2.CB.07aShenzhuangiteNiFeS2Tet. 42m : I42d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 43m : I43m
2.CB.10bHaycockiteCu4Fe5S8Orth. 222
2.CB.10aLenaiteAgFeS2Tet. 42m : I42d
2.CB.10aGalliteCuGaS2Tet. 42m : I42d
2.CB.10aRoquesiteCuInS2Tet. 42m : I42d
2.CB.10aEskeborniteCuFeSe2Tet. 42m : P42c
2.CB.10a'UM1984-30-S:CuFeSn'Cu2Fe2Sn3S7
2.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 222 : I222
2.CB.10aChalcopyriteCuFeS2Tet. 42m : I42d
2.CB.10a'Unnamed (Cu-Zn-In Sulphide)'CuZn2InS4
2.CB.10bMooihoekiteCu9Fe9S16Tet. 42m : P42m
2.CB.10aLaforêtiteAgInS2Tet. 42m : I42d
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso. m3m(4/m32/m) : Pn3m
2.CB.15aVelikiteCu2HgSnS4Tet. 4 : I4
2.CB.15c'UM2006-11-S:CuFeGeZn'Cu8(Fe,Zn)3Ge2S12 (?)
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 42m : I42m
2.CB.15aKësteriteCu2ZnSnS4Tet. 4 : I4
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 42m : I42m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 222 : I222
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aČernýiteCu2CdSnS4Tet. 42m : I42m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet. 42m : I42m
2.CB.17a v'Arsenic-bearing Renierite'Cu11GeAsFe4S16
2.CB.20MawsoniteCu6Fe2SnS8Tet. 42m : P4m2
2.CB.20ChatkaliteCu6FeSn2S8Tet. 42m : P4m2
2.CB.30'Frieseite'Ag2Fe5S8 (?)
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso. 43m : P43n
2.CB.30'Argyropyrite'near Ag2Fe7S11
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso. m3m(4/m32/m)
2.CB.30ColusiteCu13VAs3S16Iso. 43m : P43n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 43m : P43n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso. 43m : P43m
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso. 43m : P43m
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso. 43m : P43n
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35aRenierite(Cu+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 42m : P42c
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 43m : F43m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.40LautiteCuAsSOrth. mmm(2/m2/m2/m) : Pnma
2.CB.42LingbaoiteAgTe3Trig. 3m : R3m
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.45MaletoyvayamiteAu3Se4Te6Tric. 1 : P1
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.47MurchisiteCr5S6Trig. 3m(32/m) : P31c
2.CB.50'Zincselenide'ZnSe
2.CB.50WassoniteTiSTrig. 3m(32/m) : R3m
2.CB.52'Dzhezkazganite'ReMoCu2PbS6 ?Trig. 3m : R3m
2.CB.55bIsocubaniteCuFe2S3Iso. m3m(4/m32/m) : Fm3m
2.CB.55aCubaniteCuFe2S3Orth. mmm(2/m2/m2/m)
2.CB.60RaguiniteTlFeS2Orth.
2.CB.60PicotpauliteTlFe2S3Orth. mmm(2/m2/m2/m) : Cmcm
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm(2/m2/m2/m)
2.CB.70SulvaniteCu3VS4Iso. 43m : P43m
2.CB.75VulcaniteCuTeOrth. mmm(2/m2/m2/m)
2.CB.80EmpressiteAgTeOrth. mmm(2/m2/m2/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.

Internet Links for CadmoseliteHide

References for CadmoseliteHide

Localities for CadmoseliteHide

Showing 10 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.
Argentina
 
  • La Rioja Province
    • General Lamadrid Department
      • Villa Castelli
        • Sierra de Cacho
[var: Copper-bearing Cadmoselite, var: Mercurian Cadmoselite] Brodtkorb (2002) +3 other references
Canada
 
  • Ontario
    • Cochrane District
      • Timmins
        • Kidd Township
Kidd Operations
Czech Republic
 
  • Central Bohemian Region
Škácha et al. (2017)
      • Háje
        • Uranium Mine No. 16
Sejkora et al. (2024)
Jordan
 
  • Amman Governorate
    • Transjordan Plateau
      • Daba-Siwaqa complex
        • Hashem region
          • Lisdan-Siwaga Fault
            • Siwaga
              • Tulul al Hammam
Sokol +9 other references
Russia
 
  • Republic of Karelia
    • Medvezhyegorsky District
      • Zaonezhie peninsula
Svetova et al. (2024)
  • Tuva
    • Turan District
Bur´yanova et al. (1957) +1 other reference
USA
 
  • Colorado
    • San Miguel County
Tony Kampf analysis
 
and/or  
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