platynite

noun

plat·​y·​nite

variants or platinite

ˈplatəˌnīt

plural -s

: a mineral PbBi₂(Se,S)₃ consisting of a lead and bismuth selenide and sulfide and occurring in thin iron-black metallic plates

Word History

Etymology

Swedish platynit, from Greek platynein to widen, flatten (from platys broad, flat) + Swedish -it -ite

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