miargyrite

noun

mi·​ar·​gy·​rite

(ˌ)mī¦ärjəˌrīt

: a mineral AgSbS₂ consisting of a silver antimony sulfide and occurring in iron-black to steel-gray crystals or masses whose powder is cherry red

Word History

Etymology

German miargyrit, from mi- + argyr- + -it -ite

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