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.[2][3][4][5]
Galkhaite | |
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General | |
Category | Sulfosalt minerals |
Formula (repeating unit) | (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 |
IMA symbol | Gkh[1] |
Strunz classification | 2.GB.20 |
Crystal system | Cubic |
Crystal class | Hextetrahedral (43m) H-M symbol: (4 3m) |
Space group | I43m |