Petewilliamsite
A variety of Minerals
What is Petewilliamsite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Petewilliamsite 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.
Petewilliamsite Localities Map
See where Petewilliamsite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- dark violet-red to dark brownish red
- Density
- 4.904 g/cm³
Chemical Properties
- Chemical Formula
- (Ni,Co)30(As2O7)15
- Elements
- As, Co, Ni, O

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Petewilliamsite FAQs
How do I identify Petewilliamsite?
Petewilliamsite can be identified by its dark violet-red to dark brownish red color. Look for these key characteristics when examining specimens.
What color is Petewilliamsite?
Petewilliamsite typically appears in dark violet-red to dark brownish red. Color can vary depending on impurities and formation conditions.


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