Ustarasite
A variety of Lillianite Homologous Series Group
What is Ustarasite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ustarasite 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.
Ustarasite Localities Map
See where Ustarasite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Silver-grey, white in reflected light.
- Hardness (Mohs)
- 2.5
Chemical Properties
- Chemical Formula
- Pb(Bi,Sb)6S10 (?)
- Elements
- Bi, Pb, S, Sb
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Ustarasite FAQs
How do I identify Ustarasite?
Ustarasite can be identified by its hardness of 2.5 on the Mohs scale, Silver-grey color. Look for these key characteristics when examining specimens.
What color is Ustarasite?
Ustarasite typically appears in Silver-grey, white in reflected light.. Color can vary depending on impurities and formation conditions.
How hard is Ustarasite?
Ustarasite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
