(n) :
(mineralogy) A reddish mineral, a mixed chloride and vanadate of lead with the chemical formula Pb₅(VO₄)₃Cl, that is commercial source of vanadium.
(n) :
(mineralogy) A reddish mineral, a mixed chloride and vanadate of lead with the chemical formula Pb₅(VO₄)₃Cl, that is commercial source of vanadium.