Minerals identify

Know how to recognize them

Umangite

Selenide mineral

Umangite is a copper , Cu 2, discovered in 1891. It occurs only in small grains or fine granular aggregates with other copper minerals of the sulfide group. It has a hardness of 3. It is blue-black to red-violet in color with a black streak. It has a metallic luster.

Umangite is named after the locality of Sierra de Umango, La Rioja province in Argentina. It also occurs at other localities including the Harz.

Identification

Color of mineral

Red
Black

Mohs scale ( mineral hardness )

3

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Tetragonal