Minerals identify

Know how to recognize them

Achavalite

Selenide mineral

Achávalite is a selenide that is a member of the nickeline group. It has only been found in a single Argentinian mine system, being first discovered in 1939 in a selenide is Cacheuta mine, Sierra de Cacheuta , Mendoza, Argentina

Identification

Color of mineral

Grey

Mohs scale ( mineral hardness )

2.5

The streak

Black

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Hexagonal