Cobalt
World production:                                54,000 tonnes

Cobalt is a grey, hard, lustrous metal, which was first discovered in 1739 and has a world production of 54,000 tonnes (2007). It is commonly a by-product of nickel and is mainly sourced in Democratic Republic of the Congo. Cobalt has many applications such as the production of catalysts, batteries, chemicals, alloys and dyes.

Who's who in the cobalt industry.