| 单词 | villamaninite | 
| 释义 | villamaniniten. Mineralogy.   A black isometric mineral, (Cu,Ni,Co,Fe)S2, of the pyrite group. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > 			[noun]		 > pyrite group > others hauerite1847 villamaninite1919 penroseite1926 vaesite1945 1919    Nature 20 Nov. 326/1  				Dr. W. R. Schoeller and A. R. Powell: Villamaninite, a new mineral. 1968    Neues Jahrb. f. Mineral.: Monatshefte 189  				The conditions under which villamaninite formed must have been quite extreme. Investigations of Ni-Cu ores from Katanga, Carrol County in Maryland and So. Wisconsin..where low temperature mineralizations are supposed to have occurred, failed to produce a new villamaninite locality. 1977    Mineral. Abstr. XXVIII. 205/1  				Villamaninite breaks down to α-NiS, carrollite (CuCo2S4), and some Ni and Co sulphates at around 400°C. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). <  | 
	
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