Aktashite
A variety of Minerals
What is Aktashite?
Aktashite is a rare arsenic sulfosalt mineral with formula Cu6Hg3As4S12. It is a copper mercury-bearing sulfosalt and is the only sulfosalt mineral with essential Cu and Hg yet known. It is of hydrothermal origin. It was published without approval of the IMA-CNMNC, but recognized as valid species by the IMA-CNMNC Sulfosalts Subcommittee (2008).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Aktashite 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.
Aktashite Localities Map
See where Aktashite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Gray-black
- Hardness (Mohs)
- 3.5
- Density
- 5.72 g/cm³
- Streak
- black
Chemical Properties
- Chemical Formula
- Cu6Hg3As4S12
- Elements
- As, Cu, Hg, S
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Aktashite FAQs
How do I identify Aktashite?
Aktashite can be identified by its hardness of 3.5 on the Mohs scale, Gray-black color. Look for these key characteristics when examining specimens.
What color is Aktashite?
Aktashite typically appears in Gray-black. Color can vary depending on impurities and formation conditions.
How hard is Aktashite?
Aktashite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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