Minerals identify

Know how to recognize them

Augite

Inosilicates

Augite is a common rock-forming pyroxene with formula (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6. The crystals are monoclinic. Augite has two prominent cleavages, meeting at angles near 90 degrees.

Identification

Color of mineral

Black
Brown
Green
Violet
Grey

Mohs scale ( mineral hardness )

5.5

The streak

White

Density ( specific gravity )

1.68
1.684
1.706

Luster ( interacts light )

Vitreous
Dull
Resinous

Crystal ( diaphaneity )

Monoclinic