How do I identify Goldfieldite?

Goldfieldite can be identified by its hardness of 3 - 3.5 on the Mohs scale, Dark lead-gray color. Look for these key characteristics when examining specimens.

What color is Goldfieldite?

Goldfieldite typically appears in Dark lead-gray. Color can vary depending on impurities and formation conditions.

How hard is Goldfieldite?

Goldfieldite has a hardness of 3 - 3.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

Goldfieldite

A variety of Minerals

What is Goldfieldite?

Goldfieldite Market Value Calculator

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

Goldfieldite Localities Map

See where Goldfieldite 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: Dark lead-gray
Hardness (Mohs): 3 - 3.5
Density: 4.95 g/cm³

Chemical Properties

Chemical Formula: (Cu10◻2)Te4S12S Te (tetravalent) may be partially replaced by Sb and/or As (both trivalent). For charge-balance, Cu is then increased (Cu12-x).
Elements: Cu, S, Te

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