Aliettite is a complex phyllosilicate mineral of the smectite 6(Si )4·4H or
It is a soft, colorless to pale yellow or green earthy mineral which crystallizes in the monoclinic as minute tabular to platy crystals.
It was first described in 1968 for an occurrence in Monte Chiaro, Emilia-Romagna and named for the Italian
It occurs in serpentinized and their residual soil. It also occurs in altered dolomite. Associated minerals include talc , serpentine In addition to the type locality in Italy it has been reported from Kinshasa the Chelyabinsk Oblast of the southern Urals and the Turii alkaline Massif of the Kola Peninsula; the Zirabulak Mountains; and the Goldstrike Mine of Eureka County, Nevada