| Cadmoselite | |
|---|---|
 Cadmoselite from the type locality: Ust' Uyok Deposit, Turan District, Tuva Republic, Russian Federation | |
| General | |
| Category | Minerals |
| Formula | CdSe |
| IMA symbol | Cds |
| Identification | |
| Formula mass | 191.37 |
| Color | Black to pale grey |
| Luster | Adamantine – Resinous |
| Streak | Black |
| Diaphaneity | Translucent to Opaque |
| Specific gravity | 5.47 |
Cadmoselite is a rarecadmium selenide mineral withchemical formula CdSe. Cadmoselite crystallizes in thehexagonal system and occurs as black to pale grey opaque crystals and grains.[1][2]
It was first described in 1957 for an occurrence inTuva. The mineral occurs as interstitial grains insandstone formed underreducingalkalinediagenetic conditions.[1][2]
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