| 释义 |
villamaninite Min.|vɪləˈmænɪnaɪt|
[f. Villamanín, name of the locality (north of León in NW. Spain) near which the mineral was found + -ite1.]
A black isometric mineral, (Cu,Ni,Co,Fe)S2, of the pyrite group.
1919Nature 20 Nov. 326/1 Dr. W. R. Schoeller and A. R. Powell: Villamaninite, a new mineral. 1968Neues 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. 1977Mineral. Abstr. XXVIII. 205/1 Villamaninite breaks down to α-NiS, carrollite (CuCo2S4), and some Ni and Co sulphates at around 400°C. |