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Talnakhite
Talnakhite is a mineral of Chalcopyrite Group[1], also described as olivinic gabbro-dolerite[2] It was named after Talnakh ore deposit, a place by Norilsk in Western Siberia, Russia where it was discovered as reported in 1963 by I. Budko and E. Kulagov.[3] It was officially named "talnakhite" in 1968 [4][5] Despite the initial announcement it turned out to be not a face centered high-temperature polymorph of chalcopyrite, but to have composition Cu18(Fe, Ni)18S32. At 80-100 C it decomposes to tetragonal cubanite plus bornite. [6][7]
References
- ^ [1]
- ^ [2]
- ^ Ivetta Budko, Eduard Kulagov, "A Natural Cubic Chalcopyrite" (Будько И.А., Кулагов Э.А., "Природный кубический халькопирит"), Докл. АН АН СССР. (1963) vol. 152, no. 2, pp. 408—410.
- ^ Будько И. А., Кулагов Э. А. "Новый минерал талнахит — кубическая разновидность халькопирита", Zapiski Vsesoyuznogo Mineraligicheckogo Obshchestva, 1968. ч. 97, вып. 1, с. 63.
- ^ "Time to gather stones"(Russian)
- ^ Cabri L.J., Econ.Geol.(1967) 62, 910-925
- ^ Michael Fleischner, "New Mineral Names", The American Mineralogist, 1970, vol 55, p. 2135
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Talnakhite". A list of authors is available in Wikipedia.
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