|
|
www.mineralgallery.co.za Minerals A-E |
|
|
Carrollite |
||
Name
Carrollite
Chemistry
Ci'(Co,Ni)2s
Uses
As a specimen and ore of cobalt
Color
Copper red, Gray, Metalic silver
Hardness
4.5-5.5
Carrollite derives it's name from the place of discovery, Carroll Co., Maryland, USA.
Carrollite is a rare sulfide mineral of cobalt, copper and nickel with the composition Cu(Co,Ni)2S4
At Tsumeb it is found only as tiny light steel-gray crystals visible under the microscope.
