How do I identify Ecdemite?

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

What color is Ecdemite?

Ecdemite typically appears in Greenish-yellow, yellow. Color can vary depending on impurities and formation conditions.

How hard is Ecdemite?

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

Ecdemite

A variety of Minerals

What is Ecdemite?

Ecdemite Market Value Calculator

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

Ecdemite Localities Map

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

Map preview

North ZoneCentral RidgeSouth Basin

Quick Facts

Physical Properties

Color: Greenish-yellow, yellow
Hardness (Mohs): 2.5 - 3
Density: 7.3 g/cm³
Streak: Light yellow

Chemical Properties

Chemical Formula: Pb6Cl4(As2O7) the study of Perchiazzi et al. (2019, in press) shows ecdemite to be based on litharge-like defective layers. The layers formula is {Pb2Pb4O2}4+.
Elements: As, Cl, O, Pb