Stewartite
A variety of Minerals
What is Stewartite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Stewartite 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.
Stewartite Localities Map
See where Stewartite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Yellow to brownish yellow
- Density
- 2.48 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
- Elements
- Fe, H, Mn, O, P
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Stewartite FAQs
How do I identify Stewartite?
Stewartite can be identified by its Yellow to brownish yellow color. Look for these key characteristics when examining specimens.
What color is Stewartite?
Stewartite typically appears in Yellow to brownish yellow. Color can vary depending on impurities and formation conditions.
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