Galkhaite | |
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Galkhaite crystals to 3 mm on matrix, Getchell Mine, Nevada. |
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General | |
Category | Sulfosalt minerals |
Chemical formula | (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 |
Strunz classification | 02.GB.20 |
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.[1][2][3][4]