Cobalt processing |
In the coppercobalt ore bodies of central Africa and Russia, cobalt occurs as sulfides (carrollite, linnaeite, or siegenite), the oxide minerals heterogenite (hydrated cobalt oxide) and asbolite (a mixture of manganese and cobalt oxides), and the carbonate sphaerocobaltite. In the coppernickeliron sulfide mines of Canada, Australia, Russia, and other regions, cobalt is present in place of nickel in many .