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Cadmoselite

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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 deposit (Ust'-Uyuk), 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,In,Sn)S
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
 
2
HgSnS
 
4
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.45Buseckite
(Fe,Zn,Mn)S
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:
  • Look for Cadmoselite on Google
  • Look for Cadmoselite images on Google
  • 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:
  • SpiriferMinerals.com - high quality low prices
  • Wilensky Fine Minerals
  • Lapis Mineral Magazin
  • Cadmoselite specimens for sale - minfind.com
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for Cadmoselite on Well-Arranged Molecules
  • Fabre Minerals - search for Cadmoselite specimens
  • Buy from McDougall Minerals
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  • Fine and rare minerals from mintreasure.com
  • 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.
    (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 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
    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
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