How do I identify Zirkelite?

Zirkelite can be identified by its hardness of 5.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.

What color is Zirkelite?

Zirkelite typically appears in Black. Color can vary depending on impurities and formation conditions.

How hard is Zirkelite?

Zirkelite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.

Zirkelite

A variety of Minerals

What is Zirkelite?

Zirkelite is an oxide mineral with formula: (Ca,Th,Ce)Zr(Ti,Nb)2O7. It occurs as well-formed fine sized isometric crystals. It is a black, brown or yellow mineral with a hardness of 5.5 and a specific gravity of 4.7.

Zirkelite Market Value Calculator

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

Zirkelite Localities Map

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

Map preview

North ZoneCentral RidgeSouth Basin

Key Characteristics

Formation of Zirkelite

Initial discovery was from the Jacupiranga carbonatite, Sao Paulo, Brazil. It is also found in Canada, Kazakhstan, Norway, Russia, South Africa, the United Kingdom, and the United States.