claudetite

noun

clau·​de·​tite

ˈklȯdəˌtīt

plural -s

: a mineral consisting of a native arsenic trioxide As₂O₃ crystallizing in the monoclinic system compare arsenolite

Word History

Etymology

French claudétite, from French Claudet, 19th century French chemist, its discoverer + French -ite

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