 Kambaldaite

Kambaldaite, NaNi4(CO3)3(OH)3·3H2O, is an extremely rare hydrated sodium nickel carbonate mineral described from gossanous material associated with Kambalda type komatiitic nickel ore deposits at Kambalda, Western Australia, and Widgie Townsite nickel gossan, Widgiemooltha, Western Australia.Kambaldaite crystallises in the hexagonal system, is light green to blue and forms drusy to mammillated encrustations on the matrix.