Minerals identify

Know how to recognize them

Baumhauerite

Sulfosalt mineral

Baumhauerite (Pb3As4S9) is a rare lead sulfosalt mineral system, is gray-black to blue-gray and its lustre is metallic to dull. Baumhauerite has a hardness of 3.

Baumhauerite occurs as small crystals embedded in dolomitic. It is found primarily in the Lengenbach Quarry , in the Valais, the mineral is named after German mineralogist Heinrich Adolph Baumhauer (1848–1926), who discovered it at Lengenbach, famous among mineralogists for its array of rare minerals, in 1902. Baumhauerite has also been reported at Sterling Hill , New Jersey , typically in association with molybdenite , and in aggregates at Hemlo, Thunder Bay.

Identification

Color of mineral

Grey
Black
Blue

Mohs scale ( mineral hardness )

3

The streak

Brown

Luster ( interacts light )

Dull
Metallic

Crystal ( diaphaneity )

Triclinic