plagionite

noun

pla·​gi·​o·​nite

ˈplājēəˌnīt

plural -s

: a mineral Pb₅Sb₈S₁₇ consisting of a lead antimony sulfide of a blackish lead-gray color and metallic luster (specific gravity 5.4)

Word History

Etymology

German plagionit, from Greek plagion, neuter of plagios oblique + German -it -ite

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