Cosalite
A variety of Minerals
What is Cosalite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cosalite 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.
Cosalite Localities Map
See where Cosalite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Grey
- Hardness (Mohs)
- 2.5 - 3
- Density
- 7.12 g/cm³
- Streak
- Black
Chemical Properties
- Chemical Formula
- Pb2Bi2S5 Always contains minor Cu and nearly always contains minor Ag. Both seem to be essential.
- Elements
- Bi, Pb, S
Also Known As
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Cosalite FAQs
How do I identify Cosalite?
Cosalite can be identified by its hardness of 2.5 - 3 on the Mohs scale, Grey color. Look for these key characteristics when examining specimens.
What color is Cosalite?
Cosalite typically appears in Grey. Color can vary depending on impurities and formation conditions.
How hard is Cosalite?
Cosalite has a hardness of 2.5 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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