Avogadrite
A variety of Minerals
What is Avogadrite?
Avogadrite ((K,Cs)BF4) is a potassium-caesium tetrafluoroborate in the halide class. Avogadrite crystallizes in the orthorhombic system (space group Pnma) with cell parameters a 8.66 Å, b 5.48 Å and c Å 7.03.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Avogadrite 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.
Avogadrite Localities Map
See where Avogadrite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless to white, yellowish to reddish when impure, colourless in transmitted light
- Density
- 2.9 g/cm³
Chemical Properties
- Chemical Formula
- (K,Cs)[BF4]
- Elements
- B, F, K
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Avogadrite FAQs
How do I identify Avogadrite?
Avogadrite can be identified by its Colourless to white color. Look for these key characteristics when examining specimens.
What color is Avogadrite?
Avogadrite typically appears in Colourless to white, yellowish to reddish when impure, colourless in transmitted light. Color can vary depending on impurities and formation conditions.
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