Description | Hanksite is one of the few minerals that belong to both the carbonate and sulfate classes. It has formula Na22K(SO4)9(CO3)2Cl. Hanksite is an evaporite mineral and often forms large geometric crystals. Associated minerals include halite, trona, borax and tincalconite. The Searles Lake playa deposits contain many other evaporite minerals too, including aphthitalite, burkeite, galeite, gaylussite, mirabilite, nahcolite, northupite, pirssonite, schairerite, searlesite, sulphohalite, teepleite, thenardite, and tychite. |