benjaminite

noun

ben·​ja·​min·​ite

ˈben-jə-mə-ˌnīt

plural -s

: a mineral Pb (Cu, Ag) Bi₂S₄ consisting of sulfobismuthite of lead, silver, and copper occurring in gray masses

Word History

Etymology

Marcus Benjamin †1932 American museum official + English -ite

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