polydymite

noun

po·​lyd·​y·​mite

pəˈlidəˌmīt

plural -s

: a mineral Ni₄S₅ consisting of a nickel sulfide that is isomorphous with linnaeite, siegenite, carrollite, and violarite

Word History

Etymology

German polydymit, from poly- + dym- (from Greek didymos twin) + -it -ite

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