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 = 1.7 GPa _database_code_amcsd 0008872 14.7934 13.0979 7.4420 90 110.166 90 C2/m atom x y z Uiso Ca .269 .5 .722 .053 Al .1309 .3112 .7312 .053 Si1 .2405 .3823 .1610 .053 Si2 .0768 .3859 .3191 .053 O1 .265 .500 .224 .053 O2 .213 .371 .932 .053 O3 .138 .390 .547 .053 O4 .149 .344 .213 .053 O5 .333 .315 .283 .053 O6 .039 .5 .246 .053 O7 .014 .308 .735 .053 Wat1 .000 .154 .000 .053 Wat2 .420 .5 .039 .053 Wat5 .5 .5 .5 .053 Wat8 .134 .126 .378 .053