Cobalt

Full table
General
Name, Symbol, Number cobalt, Co, 27
Chemical series transition metals
Group, Period, Block 9, 4, d
Density, Hardness 8900 kg/m3, 5.0
Appearance metallic with grey tinge
Atomic properties
Atomic weight 58.933200 amu ...

Notable "silver rushes" were in Colorado, Nevada, Cobalt, Ontario , California and the Kootenay region of British Columbia, notably in the Boundary and "Silvery Slocan".

Government corruption, political instability, and an uncontrollable influx of refugees from neighboring Rwanda and Burundi have left its economy in shambles, in spite of the country's wealth in mineral deposits of diamonds, copper and cobalt.

See also: Silver, Coin, Gold, Copper, Alloy