Cadmoselite

Cadmoselite
Cadmoselite from the type locality: Ust' Uyok Deposit, Turan District, Tuva Republic, Russian Federation
General
CategoryMinerals
FormulaCdSe
IMA symbolCds
Identification
Formula mass191.37
ColorBlack to pale grey
LusterAdamantine – Resinous
StreakBlack
DiaphaneityTranslucent to Opaque
Specific gravity5.47

Cadmoselite is a rare cadmium selenide mineral with chemical formula CdSe. Cadmoselite crystallizes in the hexagonal system and occurs as black to pale grey opaque crystals and grains.

It was first described in 1957 for an occurrence in Tuva. The mineral occurs as interstitial grains in sandstone formed under reducing alkaline diagenetic conditions.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.