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 = 0.6 GPa _database_code_amcsd 0008870 14.8795 13.1442 7.5078 90 109.920 90 C2/m atom x y z Uiso Ca .270 .5 .735 .036 Al .1278 .3077 .7282 .036 Si1 .2407 .3803 .1587 .036 Si2 .0767 .3871 .3233 .036 O1 .265 .5 .197 .036 O2 .209 .360 .933 .036 O3 .136 .389 .550 .036 O4 .150 .349 .220 .036 O5 .334 .317 .284 .036 O6 .037 .5 .250 .036 O7 .011 .307 .731 .036 Wat1 .000 .153 .000 .036 Wat2 .409 .5 .013 .036 Wat5 .5 .5 .5 .036 Wat8 .146 .122 .366 .036