What is "widgiemoolthalite"

n. (context mineralogy English) A nickel analogue of hydromagnesite discovered in Western Australia.

Widgiemoolthalite is a rare hydrated nickel(II) carbonate mineral with the chemical formula Usually bluish-green in color, it is a brittle mineral formed during the weathering of nickel sulfide. Widgiemoolthalite was first discovered in 1992 in Widgiemooltha, Western Australia, to date its only known source.