Category Selenide mineral Strunz classification 2.CB.05a Crystal system Isometric | Formula
(repeating unit) HgSe Dana classification 02.08.02.04 | |
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Crystal class Hextetrahedral (43m)
H-M symbol: (4 3m) | ||
Tiemannite is a mineral, mercury selenide, formula HgSe. It occurs in hydrothermal veins associated with other selenides, or other mercury minerals such as cinnabar, and often with calcite. Discovered in 1855 in Germany, it is named after Johann Carl Wilhelm Tiemann (1848–1899).
References
Tiemannite Wikipedia(Text) CC BY-SA