How do I identify Cosalite?

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

What color is Cosalite?

Cosalite typically appears in Grey. Color can vary depending on impurities and formation conditions.

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

A variety of Minerals

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

See where Cosalite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview

North ZoneCentral RidgeSouth Basin

Chemical Formula: Pb2Bi2S5 Always contains minor Cu and nearly always contains minor Ag. Both seem to be essential.
Elements: Bi, Pb, S

CosaliteBjelkiteaPlumositeRezbanyite (of Hermann)Warthaite

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