How do I identify Bismutotantalite?

Bismutotantalite can be identified by its hardness of 5 - 5.5 on the Mohs scale, Light brown to pitch-black color. Look for these key characteristics when examining specimens.

What color is Bismutotantalite?

Bismutotantalite typically appears in Light brown to pitch-black, light smoke-grey to colourless in transmitted light. Color can vary depending on impurities and formation conditions.

How hard is Bismutotantalite?

Bismutotantalite has a hardness of 5 - 5.5 on the Mohs scale. This gives it moderate hardness.

Bismutotantalite

A variety of Minerals

What is Bismutotantalite?

Bismutotantalite Market Value Calculator

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

Bismutotantalite Localities Map

See where Bismutotantalite 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: Light brown to pitch-black, light smoke-grey to colourless in transmitted light
Hardness (Mohs): 5 - 5.5
Density: 8.9 g/cm³
Streak: Yellow, yellow-brown to black