Bismutocolumbite
A variety of Minerals
What is Bismutocolumbite?
Bismutocolumbite Market Value Calculator
Estimate the market value of Bismutocolumbite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Bismutocolumbite Localities Map
See where Bismutocolumbite 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
- Black; brown in transmitted light
- Hardness (Mohs)
- 5.5
- Density
- 7.66 g/cm³
- Streak
- Brown to pale yellow
Chemical Properties
- Chemical Formula
- Bi(Nb,Ta)O4
- Elements
- Bi, Nb, O
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