Minerals identify

Know how to recognize them

Millerite

Sulfide mineral

Millerite is a nickel , Ni. It is brassy in colour and has an acicular habit, often forming radiating masses and furry aggregates. It can be distinguished from pentlandite by crystal habit, its duller colour, and general lack of association with pyrite.

Identification

Mohs scale ( mineral hardness )

3

The streak

Black

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Trigonal