Ferristrunzite
A variety of Strunzite Group
What is Ferristrunzite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ferristrunzite 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.
Ferristrunzite Localities Map
See where Ferristrunzite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale yellow to creamy white, tan to very light brown
- Hardness (Mohs)
- 4
- Density
- 2.55 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Fe3+Fe3+2(PO4)2(OH)3 · 5H2O
- Elements
- Fe, H, O, P
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Ferristrunzite FAQs
How do I identify Ferristrunzite?
Ferristrunzite can be identified by its hardness of 4 on the Mohs scale, Pale yellow to creamy white color. Look for these key characteristics when examining specimens.
What color is Ferristrunzite?
Ferristrunzite typically appears in Pale yellow to creamy white, tan to very light brown. Color can vary depending on impurities and formation conditions.
How hard is Ferristrunzite?
Ferristrunzite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.