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chalcomenite

noun
chal·​co·​me·​nite | \ ˌkalkəˈmēˌnīt\
plural -s

Definition of chalcomenite

: a mineral CuSeO3.2H2O consisting of copper selenite and occurring in blue crystals

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History and Etymology for chalcomenite

French chalcoménite, from chalc- + Greek mēnē moon + French -ite; from its being a compound of selenium, which is named for the moon

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