Vanadium
What is Vanadium?
Elemental vanadium is a soft silvery-grey mineral that is classified as a
ductile transition metal. It has good resistance to corrosion and it is
stable against alkalis, sulfuric and hydrochloric acids. Vanadium makes up about 0.012% of the earths crust and while metallic vanadium is not found in nature it is known to exist in about 65 different minerals (eg Carnotite, Vanadinite, Francevillite). | Source: http://images-of-elements.com/vanadium.php |
Vanadium also occurs in deposits of:
- Phosphate rock
- Titaniferous magnetite (Mount Peake)
- Uraniferous sandstone and siltstone
- Bauxite, and
- Carboniferous deposits of coal, crude oil, oil shale and tar sands.
Vanadium is also produced as a by-product of the iron and steel
industry. Iron ores containing amounts of V on the order of 1.0%-1.5%
are processed in a furnace, creating slags that may contain as much as
25% vanadium pentoxide.
World vanadium resources are thought to exceed 63 million tonnes.
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Red Vanadinite Crystals | Vanadinite | Vanadinite Stone |