Tiemannite
(repeating unit)HgSe IMA symbol Tmn[1] Strunz classification 2.CB.05a Dana classification 02.08.02.04 Crystal system Isometric Crystal class Hextetrahedral (43m)
H-M symbol: (4 3m) Space group F43m Identification Color Steel-gray to black Crystal habit Massive and as euhedral crystals Cleavage none Mohs scale hardness 2.5 Luster Metallic Streak grayish black Diaphaneity opaque Specific gravity 8.19–8.47 References [2][3]
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).
See also
- List of minerals
- List of minerals named after people
References
- Tiemannite from a micro-disseminated gold deposit in Qiongmo, Liu Jiajun, Zheng Minghua, Liu Jianming, Lu Wenquan, Journal of Chengdu Institute of Technology, vol. 23 (2), pages 21–28 (1996)
- Timanite and onofrite in ores of Siberian mercury deposits, Vasil'yev V.I., Lavrent'yev Y.G., Doklady (Academy of Sciences of the USSR, Earth Sciences Section) vol. 222, Pages 159-162 (1975).
External links
Media related to Tiemannite at Wikimedia Commons
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