Galkhaite
A variety of Minerals
What is Galkhaite?
Galkhaite is a rare and chemically complex sulfosalt mineral from a group of natural thioarsenites. Its formula is (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12, making the mineral the only known natural Cs-Hg and Cs-As phase. It occurs in Carlin-type hydrothermal deposits.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Galkhaite 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.
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Quick Facts
Physical Properties
- Color
- Dark orange-red
- Hardness (Mohs)
- 3
- Rock tumbling
- Not recommended
- Density
- 5.44 g/cm³
- Streak
- Orange-yellow
Chemical Properties
- Chemical Formula
- (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
- Elements
- As, Cs, Cu, Hg, S
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Galkhaite FAQs
How do I identify Galkhaite?
Galkhaite can be identified by its hardness of 3 on the Mohs scale, Dark orange-red color. Look for these key characteristics when examining specimens.
What color is Galkhaite?
Galkhaite typically appears in Dark orange-red. Color can vary depending on impurities and formation conditions.
How hard is Galkhaite?
Galkhaite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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