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 = 0.3 GPa _database_code_amcsd 0008869 14.8913 13.1661 7.5284 90 110.008 90 C2/m atom x y z occ Uiso Ca .267 .5 .726 .026 Al .1275 .3105 .7293 .026 Si1 .2422 .3821 .1598 .026 Si2 .0792 .3872 .3260 .026 O1 .270 .5 .210 .026 O2 .206 .367 .933 .026 O3 .139 .390 .552 .026 O4 .152 .349 .222 .026 O5 .334 .314 .279 .026 O6 .040 .5 .251 .026 O7 .009 .308 .724 .026 Wat1 .024 .155 .046 .5 .026 Wat2 .413 .5 .011 .026 Wat5 .5 .5 .5 .026 Wat8 .140 .122 .365 .026