Valleriite

noun

Val·​le·​ri·​ite

vəˈlirēˌīt

plural -s

: a mineral Cu₂Fe₄S₇ consisting of sulfide of copper and iron perhaps identical with the artificial compound Cu₃Fe₄S₆

Word History

Etymology

Swedish, valleriit, from G. Wallerius (Vallerius) †1742 Swedish mineralogist + Swedish -it -ite

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