Minerals identify

Know how to recognize them

Boulangerite

Sulfosalt mineral

Boulangerite is a sulfosalt mineral antimony , formula Pb5Sb4S11. It was named in 1837 in honor of French mining engineer Charles Boulanger (1810–1849). It forms metallic grey orthorhombic Sometimes the crystals form a fine feathery mass which has been called plumosite. Boulangerite is used as a lead ore.

Identification

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Orthorhombic