siegenite

noun

sie·​gen·​ite

ˈsēgəˌnīt,

ˈzē-

plural -s

: a mineral (Co,Ni)₃S₄ consisting of sulfide of nickel and cobalt isomorphous with linnaeite, violarite, carrollite, and polydymite

Word History

Etymology

Siegen, city in western Germany, its locality + English -ite

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