AM_Laumontite_10 Formula: Ca2 Al4 Si8 O33 H22 Name: Laumontite Unit cell: 14.8831 13.182 7.5387 90.0 110.181 90.0 , V=1388.21 Space group: C12/M1 (12)

Lee Y , Hriljac J A , Vogt T , Physics and Chemistry of Minerals , 31 (2004) p.421-428, Pressure-induced migration of zeolitic water in laumontite