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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