Minerals identify

Know how to recognize them

Oldhamite

Sulfide mineral

Oldhamite is a calcium sulfide mineral Ferrous iron may also be present in the mineral resulting in the formula: (Ca,Mg,Fe)S. It is a pale to dark brown accessory mineral in meteorites. It crystallizes in the cubic crystal system , but typically occurs as anhedral grains between other minerals.

Identification

Color of mineral

Brown

Mohs scale ( mineral hardness )

4

Density ( specific gravity )

2.137

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Cubic