stromeyerite

noun

stro·​mey·​er·​ite

ˈstrōˌmīəˌrīt

plural -s

: a steel gray mineral CuAgS consisting of silver copper sulfide of metallic luster and usually occurring in compact masses (hardness 2.5–3, specific gravity 6.15–6.3)

Word History

Etymology

German stromeyerit, from Friedrich Strohmeyer †1835 German chemist + German -it -ite

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