Laumontite Lee Y, Hriljac J A, Vogt T Physics and Chemistry of Minerals 31 (2004) 421-428 Pressure-induced migration of zeolitic water in laumontite Sample: Pleasant Valley, Connecticut, NMNH R4159; P = 2.4 GPa _database_code_amcsd 0008873 14.7204 13.1084 7.4080 90 110.512 90 C2/m atom x y z occ Uiso Ca .277 .5 .709 .013 Al .1308 .3111 .7348 .013 Si1 .2444 .3815 .1664 .013 Si2 .0815 .3866 .3200 .013 O1 .263 .5 .230 .013 O2 .215 .370 .935 .013 O3 .139 .390 .551 .013 O4 .154 .339 .219 .013 O5 .340 .316 .287 .013 O6 .048 .5 .236 .013 O7 .013 .313 .740 .013 Wat1 .002 .175 .065 .5 .013 Wat2 .438 .5 .153 .013 Wat5 .5 .576 .5 .5 .013 Wat8 .122 .126 .369 .013