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Cadmoselite

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Ust' Uyok (Ust'-Uyuk) deposit, Turan District, Tuva Republic, Eastern-Siberian Region, Russia
© 2007, JGW

Show Cadmoselite Photos (3)



Formula:
CdSe
System:HexagonalColour:Black
Lustre:Adamantine, ResinousHardness:4
Member of:Wurtzite Group
Name:For the chemistry of the mineral.
This page provides mineralogical data about Cadmoselite.

Classification of Cadmoselite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/C.13-40
Nickel-Strunz 10th (pending) edition ID: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 edition ID:2.8.7.3
Dana 8th edition ID:2.8.7.3

2 : SULFIDES
8 : AmXp, with m:p = 1:1
Hey's CIM Ref.: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)
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Type Occurrence of Cadmoselite

Type Locality:Ust' Uyok (Ust'-Uyuk) deposit, Turan District, Tuva Republic, Eastern-Siberian Region, Russia
Year of Discovery:1957
Geological Setting of type material:Sedimentary rocks in an alkaline, reducing environment.

Physical Properties of Cadmoselite

Lustre:Adamantine, Resinous
Diaphaneity (Transparency):Opaque
Colour:Black
Streak:Black
Hardness (Mohs):4
Hardness (Vickers):VHN100=203 - 222
Tenacity:Brittle
Cleavage:Perfect
Perfect, prismatic?
Density (measured):5.47 g/cm3
Density (calculated):5.807 g/cm3

Crystallography of Cadmoselite

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

Optical Data of Cadmoselite

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

Chemical Properties of Cadmoselite

Formula:
CdSe
Essential elements:Cd, Se
All elements listed in formula:Cd, Se
Common Impurities:Fe,Zn,S

Relationship of Cadmoselite to other Species

Member of:Wurtzite Group
Other Members of Group:

- +
Related Minerals - Nickel-Strunz Grouping):

- +
2.CB.05aColoradoite
HgTe
2.CB.05aHawleyite
CdS
2.CB.05aMetacinnabar
HgS
2.CB.05cPolhemusite
(Zn,Hg)S
2.CB.05bSakuraiite
(Cu,Zn,Fe)
 
3
(In,Sn)S
 
4
2.CB.05aSphalerite
ZnS
2.CB.05aStilleite
ZnSe
2.CB.05aTiemannite
HgSe
2.CB.05UM1998-15-S:CuFeZn
Cu
 
2
Fe
 
3
Zn
 
5
S
 
10
2.CB.05aRudashevskyite
(Fe,Zn)S
2.CB.10aChalcopyrite
CuFeS
 
2
2.CB.10aEskebornite
CuFeSe
 
2
2.CB.10aGallite
CuGaS
 
2
2.CB.10bHaycockite
Cu
 
4
Fe
 
5
S
 
8
2.CB.10aLenaite
AgFeS
 
2
2.CB.10bMooihoekite
Cu
 
9
Fe
 
9
S
 
16
2.CB.10bPutoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
2.CB.10aRoquesite
CuInS
 
2
2.CB.10bTalnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16
2.CB.10aLaforêtite
AgInS
 
2
2.CB.15aČernýite
Cu
 
2
(Cd,Zn,Fe)SnS
 
4
2.CB.15aFerrokesterite
Cu
 
2
(Fe,Zn)SnS
 
4
2.CB.15aHocartite
Ag
 
2
(Fe
2+
 
,Zn)SnS
 
4
2.CB.15aIdaite
Cu
 
5
FeS
 
6
2.CB.15aKesterite
Cu
 
2
(Zn,Fe)SnS
 
4
2.CB.15aKuramite
Cu
 
3
SnS
 
4
2.CB.15bMohite
Cu
 
2
SnS
 
3
2.CB.15aPirquitasite
Ag
 
2
ZnSnS
 
4
2.CB.15aStannite
Cu
 
2
(Fe,Zn)SnS
 
4
2.CB.15cStannoidite
Cu
+
6
Cu
2+
2
(Fe
2+
 
,Zn)
 
3
Sn
 
2
S
 
12
2.CB.15aVelikite
(Cu,Hg)
 
11
Sn
 
4
S
 
16
2.CB.15cUM2006-11-S:CuFeGeZn
Cu
 
8
(Fe,Zn)
 
3
Ge
 
2
S
 
12
 (?)
2.CB.20Chatkalite
Cu
 
6
FeSn
 
2
S
 
8
2.CB.20Mawsonite
Cu
 
6
Fe
 
2
SnS
 
8
2.CB.30Colusite
Cu
 
26
V
 
2
(As,Sn,Sb)
 
6
S
 
32
2.CB.30Germanite
Cu
 
13
Fe
 
2
Ge
 
2
S
 
16
2.CB.30Germanocolusite
Cu
 
26
V
 
2
(Ge,As)
 
6
S
 
32
2.CB.30Nekrasovite
Cu
 
26
V
 
2
(Sn,As,Sb)
 
6
S
 
32
2.CB.30Stibiocolusite
Cu
 
13
V
 
4
(Sb,Sn,As)
 
3
S
 
16
2.CB.30Ovamboite
Cu
 
20
(Fe,Cu,Zn)
 
6
W
 
2
Ge
 
6
S
 
32
2.CB.30Maikainite
Cu
 
20
(Fe,Cu)
 
6
Mo
 
2
Ge
 
6
S
 
32
2.CB.35aHemusite
Cu
 
6
SnMoS
 
8
2.CB.35aKiddcreekite
Cu
 
6
SnWS
 
8
2.CB.35aPolkovicite
(Fe,Pb)
 
3
(Ge,Fe)
 
1-x
S
 
4
2.CB.35aRenierite
(Cu,Zn)
 
11
(Ge,As)
 
2
Fe
 
4
S
 
16
2.CB.35aVinciennite
Cu
+
7
Cu
2+
3
Fe
2+
2
Fe
3+
2
Sn(As,Sb)S
 
16
2.CB.35aMorozeviczite
(Pb,Fe)
 
3
Ge
 
1-x
S
 
4
2.CB.35bCatamarcaite
Cu
 
6
GeWS
 
8
2.CB.40Lautite
CuAsS
2.CB.45Greenockite
CdS
2.CB.45Wurtzite
(Zn,Fe)S
2.CB.45Rambergite
MnS
2.CB.55aCubanite
CuFe
 
2
S
 
3
2.CB.55bIsocubanite
CuFe
 
2
S
 
3
2.CB.60Picotpaulite
TlFe
 
2
S
 
3
2.CB.60Raguinite
TlFeS
 
2
2.CB.65Argentopyrite
AgFe
 
2
S
 
3
2.CB.65Sternbergite
AgFe
 
2
S
 
3
2.CB.70Sulvanite
Cu
 
3
VS
 
4
2.CB.75Vulcanite
CuTe
2.CB.80Empressite
AgTe
2.CB.85Muthmannite
AuAgTe
 
2
Related Minerals - Hey's Index Grouping:

- +
3.4.1Niningerite
(Mg,Fe
2+
 
,Mn
2+
 
)S
3.4.2Oldhamite
(Ca,Mg)S
3.4.3Mátraite
ZnS
3.4.4Sphalerite
ZnS
3.4.5Wurtzite
(Zn,Fe)S
3.4.6Stilleite
ZnSe
3.4.7Greenockite
CdS
3.4.8Hawleyite
CdS
Related Minerals - Dana Grouping):

- +
2.8.7.1Wurtzite
(Zn,Fe)S

Other Names for Cadmoselite

Synonyms:
CadmoselliteKadmoselite
Other Languages:
German:Cadmoselit
Cadmosellit
Kadmoselit
Russian:Кадмоселит
Spanish:Cadmoselita
Cadmosellita
Kadmoselita
Varieties:
Cuprian CadmoseliteMercurian Cadmoselite

Other Information

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

References for Cadmoselite

Reference List:

- +
American Mineralogist: 43: 623.

Internet Links for Cadmoselite

Search Engines:
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    • External Links:
  • Look for Cadmoselite on Webmineral
  • Look for Cadmoselite on Athena Mineralogy
  • Look for Cadmoselite on Wikipedia
  • Look for Cadmoselite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cadmoselite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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    • Localities for Cadmoselite

    The 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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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • La Rioja
      • Sierra de Umango
        • Sierra de Cacho
    		Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
    Canada
     
    • Ontario
      • Cochrane District
        • Timmins Area
          • Kidd Township
    		ontariominerals.com
    Russia
     
    • 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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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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