Description | Vanadinite, Pb5(VO4)3Cl (lead chlorovanadate) is a source of vanadium and a minor ore of lead (consisting of lead vanadate with a small proportion of lead chloride). It is found occurring in yellowish, and ruby-red hexagonal crystals in the oxidized portion of lead veins associated with other lead minerals. Vanadium is used as a steel-hardening metal. |