Brannerite
A variety of Minerals
What is Brannerite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Brannerite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Brannerite Localities Map
See where Brannerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black, brownish olive-green, yellow-brown to yellow with alteration; yellowish green in transmitted light
- Hardness (Mohs)
- 4.5 - 5.5
- Density
- 5.2 g/cm³
- Streak
- Dark greenish brown to yellowish brown
Chemical Properties
- Chemical Formula
- UTi2O6 Often contains impurities; an older formula is (U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6.
- Elements
- O, Ti, U
Also Known As
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Brannerite FAQs
How do I identify Brannerite?
Brannerite can be identified by its hardness of 4.5 - 5.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Brannerite?
Brannerite typically appears in Black, brownish olive-green, yellow-brown to yellow with alteration; yellowish green in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Brannerite?
Brannerite has a hardness of 4.5 - 5.5 on the Mohs scale. This gives it moderate hardness.
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