Cobalt

Cobalt is a chemical element with symbol Co and atomic number 27. Cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The pure cobalt, produced by reductive smelting, is a hard, lustrous, silver-gray metal.

Cobalt are mostly used for super alloy and Lithium Ion Battery, Pigment and Catalyst.

The Cobalt Concentrate, Compound and Ash are used for make CoO3.