Galkhaite
# Galkhaite

Galkhaite is a rare and chemically complex sulfosalt mineral from a group of natural thioarsenites. Its formula is $(Cs,Tl)(Hg,Cu,Zn)_6(As,Sb)_4S_{12},$ making the mineral the only known natural Cs-Hg and Cs-As phase. It occurs in Carlin-type hydrothermal deposits.

