clausthalite

[ klou-stuh-lahyt ]
/ ˈklaʊ stəˌlaɪt /

noun

a rare mineral, lead selenide, PbSe, occurring in grayish, granular crystals that have a metallic luster.

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Origin of clausthalite

named after Clausthal-Zellerfeld, mining city in Germany; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020