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单词 talnakhite
释义 talnakhite Min.|tælˈnækaɪt|
[ad. Russ. talnakhit (Bud'ko & Kulagov 1968, in Zap. Vsesoyuznogo Min. Obshchestva XCVII. 63), f. Talnakh, name of a locality near Dudinka in northern Siberia: see -ite1.]
A sulphide of copper and iron, Cu9Fe8S16, found as yellow, usu. iridescent, crystals of the cubic system.
1969Mineral. Abstr. XX. 148/1 (heading) The new mineral talnakhite—the cubic variety of chalcopyrite.1978Canad. Mineralogist XVI. 29 The talnakhite structure has a broad range of possible compositions including both Cu9Fe8S16 and Cu9Fe9S16... The relatively restricted compositions found for natural talnakhite are the result of a change in kinetics of the ordering transformations with composition.
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