stephanite

noun

steph·​an·​ite

ˈstefəˌnīt

plural -s

: a mineral Ag₅SbS₄ consisting of an orthorhombic iron black sulfide of silver and antimony and having metallic luster

Word History

Etymology

German stephanit, from Archduke Stephan of Austria †1867 + German -it -ite

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