vanadinite

noun
va·​na·​di·​nite | \vəˈnādᵊnˌīt;ˌvanəˈdēˌnīt, ˈvanədə̇ˌn-\
plural -s

Definition of vanadinite 

: a mineral consisting of a lead vanadate and chloride of the opatite group and occurring in yellowish, brownish, or ruby-red hexagonal crystals (hardness 2.75–3, specific gravity 6.66–7.10)

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History and Etymology for vanadinite

German vanadinit, from vanadin vanadium (from New Latin vanadium + German -in -ine) + -it -ite

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