Minerals identify

Know how to recognize them

Otwayite

Carbonate mineral

Otwayite, Ni2CO3(OH)2, is a hydrated nickel carbonate mineral. Otwayite is green, with a hardness of 4, a specific gravity of 3.4, and crystallises in the orthorhombic system.

Identification

Color of mineral

Green

Mohs scale ( mineral hardness )

4

Density ( specific gravity )

1.65
1.72

Luster ( interacts light )

Silky
Waxy

Crystal ( diaphaneity )

Orthorhombic