Thalcusite
A variety of Minerals
What is Thalcusite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Thalcusite 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.
Quick Facts
Physical Properties
- Color
- Gray
- Hardness (Mohs)
- 2.5 - 3
- Rock tumbling
- Not recommended
Chemical Properties
- Chemical Formula
- Tl2Cu3FeS4
- Elements
- Cu, Fe, S, Tl
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Thalcusite FAQs
How do I identify Thalcusite?
Thalcusite can be identified by its hardness of 2.5 - 3 on the Mohs scale, Gray color. Look for these key characteristics when examining specimens.
What color is Thalcusite?
Thalcusite typically appears in Gray. Color can vary depending on impurities and formation conditions.
How hard is Thalcusite?
Thalcusite 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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