Vanadinite
noun
1.
a mineral, Pb 5 (VO 4) 3 Cl, occurring in yellow, brown, or greenish crystals: an ore of lead and vanadium.
noun
1.
a red, yellow, or brownish mineral consisting of a chloride and vanadate of lead in hexagonal crystalline form. It results from weathering of lead ores in desert regions and is a source of vanadium. Formula: Pb5(VO4)3Cl
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