Category Selenide mineral Strunz classification 2.CD.10 Crystal system Isometric | Formula
(repeating unit) PbSe Dana classification 02.08.01.02 | |
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Crystal class Hexoctahedral (m3m)
H-M symbol: (4/m 3 2/m) | ||
Clausthalite is a lead selenide mineral, PbSe. It forms a solid solution series with galena PbS.
Occurrence
It occurs in low-sulfur hydrothermal deposits with other selenides and in mercury deposits. It is associated with tiemannite, klockmannite, berzelianite, umangite, gold, stibiopalladinite and uraninite.
It was first described in 1832 and named for the discovery locality of Clausthal-Zellerfeld in the Harz Mountains, Germany.
References
Clausthalite Wikipedia(Text) CC BY-SA