jamesonite

noun

jame·​son·​ite

ˈjām(p)səˌnīt,

-məs-

plural -s

: a gray orthorhombic mineral Pb₄FeSb₆S₁₄ consisting of a lead antimony iron sulfide, having a metallic luster, and occurring in fibrous masses

Word History

Etymology

Robert Jameson †1854 Scottish mineralogist + English -ite

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