How do I identify Tyuyamunite?

Tyuyamunite can be identified by its hardness of 1.5 - 2 on the Mohs scale, Canary yellow color. Look for these key characteristics when examining specimens.

What color is Tyuyamunite?

Tyuyamunite typically appears in Canary yellow, lemon-yellow; greenish yellow (upon exposure to sunlight); colourless to pale yellow in transmitted light.. Color can vary depending on impurities and formation conditions.

How hard is Tyuyamunite?

Tyuyamunite has a hardness of 1.5 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

How to Identify Tyuyamunite | Properties, Meaning & Uses

What is Tyuyamunite?

Tyuyamunite (pronounced tuh-YOO-ya-moon-ite) is a very rare uranium mineral with formula Ca(UO2)2V2O8·(5-8)H2O. It is a member of the carnotite group. It is a bright, canary-yellow color because of its high uranium content. Also, because of tyuyamunite's high uranium content, it is radioactive. It was named by Konstantin Avtonomovich Nenadkevich, in 1912, after its type locality, Tyuya-Muyun, Fergana Valley, Kyrgyzstan.

Tyuyamunite Market Value Calculator

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

Tyuyamunite Localities Map

See where Tyuyamunite 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: Canary yellow, lemon-yellow; greenish yellow (upon exposure to sunlight); colourless to pale yellow in transmitted light.
Hardness (Mohs): 1.5 - 2
Density: 3.59 g/cm³