Aktashite

A variety of Minerals

Aktashite specimen - rock identification

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).

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Aktashite Localities Map

See where Aktashite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

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More Images

Aktashite specimen 2
© Robert M. Lavinsky

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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