Marrite

Sulfosalt mineral

Marrite (mar'-ite) is depicted by the chemical formula PbAgAsS3. It is the arsenic equivalent of mineral freieslebenite characteristics with sicherite Marrite was named in honor of geologist John Edward Marr (1857–1933) of Cambridge, England

Identification

Color of mineral

Grey

Mohs scale ( mineral hardness )

The streak

Brown

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Monoclinic