Minerals identify

Know how to recognize them

Purpurite

Phosphate mineral

Purpurite is a mineral, manganese , MnPO4 with varying amounts of iron depending upon its source. It occurs in color ranges from brownish black via purple and violet to dark red.

Purpurite forms a series with the iron-bearing endmember heterosite

Identification

Color of mineral

Brown
Black
Violet
Pink
Red
Purple

Mohs scale ( mineral hardness )

4
5

The streak

Red

Density ( specific gravity )

1.85

Crystal ( diaphaneity )

Orthorhombic