leucochalcite

noun

leu·​co·​chal·​cite

ˌlükōˈkalˌsīt

plural -s

: a mineral Cu₂(AsO₄)(OH).H₂O(?) consisting of a basic arsenate of copper crystallizing in the form of white silky needles

Word History

Etymology

obsolete German leucochalcit (now leukochalcit), from German leuc- + chalc- + -it -ite

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