Laumontite Stahl K, Artioli G, Hanson J C Physics and Chemistry of Minerals 23 (1996) 328-336 The dehydration process in the zeolite laumontite: a real-time synchrotron X-ray powder diffraction study Sample: T = 425 K _database_code_amcsd 0007948 14.6967 13.0756 7.4700 90 111.785 90 C2/m atom x y z occ Biso Si1 .2379 .3819 .1590 1.6 Si2 .0775 .3845 .3206 1.6 Al .1308 .3090 .7335 1.6 O1 .2549 .5 .2145 1.5 O2 .2165 .3742 .9276 1.5 O3 .1482 .3811 .5530 1.5 O4 .1439 .3446 .1998 1.5 O5 .3324 .3176 .2700 1.5 O6 .0429 .5 .2562 1.5 O7 .0079 .3123 .7235 1.5 Ca .2720 .5 .7491 2.5 OWat2 .4182 .4724 .0780 .93 4.0 OWat5 .5 .3482 .5 .26 4.0 OWat8 .1133 .1167 .3115 .99 4.0 H21 .4664 .4178 .0836 .61 5.0 H22 .4654 .4259 .2085 .33 5.0 H5 .4529 .3782 .3872 .13 5.0 H82 .1335 .1588 .4218 .99 5.0 H83 .1001 .1761 .2001 .99 5.0