AM_Laumontite_12 Formula: Ca2 Al4 Si8 O33 H18 Name: Laumontite Unit cell: 14.8795 13.1442 7.5078 90.0 109.92 90.0 , V=1380.52 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