bournonite

noun

bour·​non·​ite

ˈbōrnəˌnīt,

ˈbȯr-,

ˈbu̇r-

plural -s

: a mineral PbCuSbS₃ consisting of a steel-gray or black metallic-looking sulfide of antimony, lead, and copper occurring in orthorhombic crystals, and also massive see wheel ore

Word History

Etymology

Count J. L. de Bournon †1825 French mineralogist + English -ite

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