Bannermanite
A variety of Minerals
What is Bannermanite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Bannermanite 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.
Bannermanite Localities Map
See where Bannermanite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black, light brown on thin edges in transmitted light
- Density
- 3.55 g/cm³
- Streak
- Dark grey-black
Chemical Properties
- Chemical Formula
- (Na,K)0.7V4+0.7V5+5.3O15
- Elements
- K, Na, O, V
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Bannermanite FAQs
How do I identify Bannermanite?
Bannermanite can be identified by its Black color. Look for these key characteristics when examining specimens.
What color is Bannermanite?
Bannermanite typically appears in Black, light brown on thin edges in transmitted light. Color can vary depending on impurities and formation conditions.
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