libethenite

noun

li·​beth·​en·​ite

lə̇ˈbethəˌnīt

plural -s

: an olive green orthorhombic mineral Cu₂(PO₄)(OH) consisting of a basic copper phosphate and occurring in small prismatic crystals or in globular or reniform masses (hardness 4, specific gravity 3.6–3.8)

Word History

Etymology

German libethenit, from Libethen, Czechoslovakia + German -it -ite

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