Minerals identify

Know how to recognize them

Cafarsite

Arsenites

Cafarsite (Ca 8(Ti,Fe2+,Fe3+,Mn) 6–7(AsO 3) 12·4H 2O) is a rare calcium mineral occur with iron in the formula.

It was first described in 1966 for an occurrence in the Binn Valley. Its name is from the composition, calcium, ferrum (iron), and arsenic. It has also been reported from Piedmont and the Hemlo gold mine in the Thunder Bay

Identification

Color of mineral

Brown

The streak

Brown

Density ( specific gravity )

2.2

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Isometric