bieberite

noun

bie·​ber·​ite

ˈbē-bə-ˌrīt

plural -s

: a mineral CoSO₄.7H₂O consisting of hydrous cobalt sulfate occurring especially in pale red crusts and stalactites

Word History

Etymology

German Bieberit, from Bieber, town in Hesse, Germany + German -it -ite

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