vanadinite

[ vuh-nad-n-ahyt, -neyd- ]
/ vəˈnæd nˌaɪt, -ˈneɪd- /

noun

a mineral, Pb5(VO4)3Cl, occurring in yellow, brown, or greenish crystals: an ore of lead and vanadium.

Origin of vanadinite

First recorded in 1850–55; vanad(ium) + -in2 + -ite1

British Dictionary definitions for vanadinite

vanadinite
/ (vəˈnædɪˌnaɪt) /

noun

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: Pb 5 (VO 4) 3 Cl