torbernite

noun

tor·​bern·​ite

ˈtȯrbərˌnīt

plural -s

: a mineral Cu(UO₂)₂(PO₄)₂.8–12H₂O consisting of a tetragonal hydrous uranium copper phosphate that is isomorphous with autunite, uranocircite, saléeite, zeunerite, and uranospinite, is of micaceous structure, and occurs in green tabular crystals or in foliated form

called also chalcolite

Word History

Etymology

German torbernit, from Torbern O. Bergman †1784 Swedish chemist + German -it -ite

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