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 = 1.1 GPa _database_code_amcsd 0008871 14.8486 13.1211 7.4774 90 110.001 90 C2/m atom x y z Uiso Ca .270 .5 .725 .038 Al .1293 .3095 .7284 .038 Si1 .2398 .3813 .1576 .038 Si2 .0743 .3869 .3172 .038 O1 .266 .5 .208 .038 O2 .212 .365 .931 .038 O3 .134 .389 .545 .038 O4 .146 .349 .209 .038 O5 .331 .315 .284 .038 O6 .036 .5 .241 .038 O7 .013 .306 .737 .038 Wat1 .000 .154 .000 .038 Wat2 .414 .5 .031 .038 Wat5 .5 .5 .5 .038 Wat8 .139 .123 .377 .038