Bostwickite
A variety of Minerals
What is Bostwickite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Bostwickite 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.
Bostwickite Localities Map
See where Bostwickite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Brownish red
- Hardness (Mohs)
- 1
- Density
- 2.93 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CaMn3+6Si3O16 · 7H2O
- Elements
- Ca, H, Mn, O, Si

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Bostwickite FAQs
How do I identify Bostwickite?
Bostwickite can be identified by its hardness of 1 on the Mohs scale, Brownish red color. Look for these key characteristics when examining specimens.
What color is Bostwickite?
Bostwickite typically appears in Brownish red. Color can vary depending on impurities and formation conditions.
How hard is Bostwickite?
Bostwickite has a hardness of 1 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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