AM_Laumontite_13 Formula: Ca2 Al4 Si8 O33 H18 Name: Laumontite Unit cell: 14.8486 13.1211 7.4774 90.0 110.001 90.0 , V=1368.96 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