How do I identify Terlinguaite?

Terlinguaite can be identified by its hardness of 2 - 3 on the Mohs scale, Yellow- color. Look for these key characteristics when examining specimens.

What color is Terlinguaite?

Terlinguaite typically appears in Yellow-, yellow-green, brown (darkens to olive-green on exposure to light); pale olive-green in transmitted light. Color can vary depending on impurities and formation conditions.

How hard is Terlinguaite?

Terlinguaite has a hardness of 2 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

Terlinguaite

A variety of Minerals

What is Terlinguaite?

Terlinguaite is the naturally occurring mineral with formula Hg2ClO. It is formed by the weathering of other mercury-containing minerals. It was discovered in 1900 in the Terlingua District of Brewster County, Texas, for which it is named. Its color is yellow, greenish yellow, brown, or olive green.

Terlinguaite Market Value Calculator

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

Terlinguaite Localities Map

See where Terlinguaite 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-, yellow-green, brown (darkens to olive-green on exposure to light); pale olive-green in transmitted light
Hardness (Mohs): 2 - 3
Density: 8.73 g/cm³
Streak: Lemon yellow