villiaumite

noun

vi·​lliaum·​ite

vēˈyōˌmīt

plural -s

: a mineral (NaF) consisting of a sodium fluoride and occurring in small carmine to colorless isometric crystals (specific gravity 2.8)

Word History

Etymology

French villiaumite, from Villiaume, 20th century French explorer in Africa + French -ite

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