Cobaltite
5.79 ct
Hexagonal Cut
8.06 x 8.05 x 5.79 mm
Ontario,
Canada
max6198

Cobaltite

is a Cobalt Iron Arsenic Sulfide with formula (Co,Fe)AsS and hardness of 5.5.

Important and rare cobalt strategic mineral with a silver grey metallic look.It is found in various part of the world and Cobalt,

important mine location from Ontario,Canada , is the type locality where this stone comes from.