Fetiasite
A variety of Minerals
What is Fetiasite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fetiasite 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.
Fetiasite Localities Map
See where Fetiasite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Brown to black
- Hardness (Mohs)
- 5
- Streak
- Light brown to ochre
Chemical Properties
- Chemical Formula
- (Fe3+,Fe2+,Ti)3(As2O5)O2
- Elements
- As, Fe, O, Ti
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Fetiasite FAQs
How do I identify Fetiasite?
Fetiasite can be identified by its hardness of 5 on the Mohs scale, Brown to black color. Look for these key characteristics when examining specimens.
What color is Fetiasite?
Fetiasite typically appears in Brown to black. Color can vary depending on impurities and formation conditions.
How hard is Fetiasite?
Fetiasite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
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