Thalfenisite
A variety of Minerals
What is Thalfenisite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Thalfenisite 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.
Thalfenisite Localities Map
See where Thalfenisite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Brown
- Hardness (Mohs)
- 1 - 1.5
- Density
- 5.26 g/cm³
Chemical Properties
- Chemical Formula
- Tl6(Fe,Ni,Cu)25S26Cl
- Elements
- Cl, Cu, Fe, Ni, S, Tl

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Thalfenisite FAQs
How do I identify Thalfenisite?
Thalfenisite can be identified by its hardness of 1 - 1.5 on the Mohs scale, Brown color. Look for these key characteristics when examining specimens.
What color is Thalfenisite?
Thalfenisite typically appears in Brown. Color can vary depending on impurities and formation conditions.
How hard is Thalfenisite?
Thalfenisite has a hardness of 1 - 1.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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