Those most exploited for industrial use are patronite (MoS2 with
vandium sulfide) , roscoelite (vanadium mica), vanadinite, carnotite, and
chlorovanadinite. Metal is silvery and whitish; melting point is 1,720 degrees
C; used in high-speed steels and shock-resistant alloys, chemicals, ceramics,
and textiles. Pryor, 3
Source:
Dictionary of Mining, Mineral, and Related Terms