Petitjeanite
A variety of Minerals
What is Petitjeanite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Petitjeanite 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.
Quick Facts
Physical Properties
- Color
- White to pale pink or yellow, also dark brown
- Hardness (Mohs)
- 4.5
- Rock tumbling
- Not recommended
Chemical Properties
- Chemical Formula
- Bi3(PO4)2O(OH)
- Elements
- Bi, H, O, P

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Petitjeanite FAQs
How do I identify Petitjeanite?
Petitjeanite can be identified by its hardness of 4.5 on the Mohs scale, White to pale pink or yellow color. Look for these key characteristics when examining specimens.
What color is Petitjeanite?
Petitjeanite typically appears in White to pale pink or yellow, also dark brown. Color can vary depending on impurities and formation conditions.
How hard is Petitjeanite?
Petitjeanite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.


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