How do I identify Eglestonite?

Eglestonite can be identified by its hardness of 2.5 on the Mohs scale, Yellow color. Look for these key characteristics when examining specimens.

What color is Eglestonite?

Eglestonite typically appears in Yellow, orange-yellow, brown; turns dark brownish, then black, on exposure to light; yellow-brown to brown (transmitted light). Color can vary depending on impurities and formation conditions.

How hard is Eglestonite?

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

Eglestonite

A variety of Minerals

What is Eglestonite?

Eglestonite Market Value Calculator

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

Eglestonite Localities Map

See where Eglestonite 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: Yellow, orange-yellow, brown; turns dark brownish, then black, on exposure to light; yellow-brown to brown (transmitted light)
Hardness (Mohs): 2.5
Density: 8.61 g/cm³
Streak: Yellow to greenish-yellow