Phosphofibrite
A variety of Minerals
What is Phosphofibrite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Phosphofibrite 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.
Phosphofibrite Localities Map
See where Phosphofibrite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Yellow to yellowish green
- Hardness (Mohs)
- 4
Chemical Properties
- Chemical Formula
- (H2O,K)3.5Fe8(PO4)6(OH)7 · 5H2O Previously given as K<0.5(Fe3+,Cu)8(PO4)6(OH)7·7H2O.
- Elements
- Fe, H, K, O, P
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Phosphofibrite FAQs
How do I identify Phosphofibrite?
Phosphofibrite can be identified by its hardness of 4 on the Mohs scale, Yellow to yellowish green color. Look for these key characteristics when examining specimens.
What color is Phosphofibrite?
Phosphofibrite typically appears in Yellow to yellowish green. Color can vary depending on impurities and formation conditions.
How hard is Phosphofibrite?
Phosphofibrite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
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