Ottensite
A variety of Minerals
What is Ottensite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ottensite 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.
Ottensite Localities Map
See where Ottensite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- red-brown
- Hardness (Mohs)
- 3.5
- Density
- 4.14 g/cm³
- Streak
- yellow-brown
Chemical Properties
- Chemical Formula
- (Na,K)3Sb3+6(Sb3+S3)O9 · 3H2O
- Elements
- H, K, Na, O, S, Sb
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Ottensite FAQs
How do I identify Ottensite?
Ottensite can be identified by its hardness of 3.5 on the Mohs scale, red-brown color. Look for these key characteristics when examining specimens.
What color is Ottensite?
Ottensite typically appears in red-brown. Color can vary depending on impurities and formation conditions.
How hard is Ottensite?
Ottensite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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