How do I identify Boulangerite?

Boulangerite can be identified by its hardness of 2.5 - 3 on the Mohs scale, Lead grey color. Look for these key characteristics when examining specimens.

What color is Boulangerite?

Boulangerite typically appears in Lead grey. Color can vary depending on impurities and formation conditions.

How hard is Boulangerite?

Boulangerite has a hardness of 2.5 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

Boulangerite

A variety of Minerals

What is Boulangerite?

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

Boulangerite Market Value Calculator

Estimate the market value of Boulangerite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.