Pyrite Group: An Unusual Member: Cu0.60Ni0.14Co0.03Fe0.23S2

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Science  12 Jan 1968:
Vol. 159, Issue 3811, pp. 194
DOI: 10.1126/science.159.3811.194


An investigation of villamaninite from the type locality indicates that former analyses were of aggregates rather than of individual minerals. A redefinition embraces a larger range of solid solution, the end-member of which has the highest content of copper so far attributed to a member of the pyrite family.