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 = 584 K _database_code_amcsd 0007950 14.5279 13.1979 7.4370 90 110.368 90 C2/m atom x y z occ Biso Si1 .2406 .3831 .1491 1.8 Si2 .0784 .3860 .3175 1.8 Al .1323 .3082 .7325 1.8 O1 .2655 .5 .2148 1.9 O2 .2153 .3787 .9255 1.9 O3 .1473 .3785 .5483 1.9 O4 .1419 .3480 .1927 1.9 O5 .3353 .3178 .2577 1.9 O6 .0444 .5 .2673 1.9 O7 .0124 .3097 .7219 1.9 Ca .2634 .5 .7221 2.9 OWat2 .4052 .4700 -.1500 .20 6.0 OWat5 .5 .3900 .5 .19 6.0 OWat8 .1048 .1186 .2787 .77 6.0 H21 .4534 .4160 -.1550 .13 7.0 H22 .4524 .4240 -.0230 .07 7.0 H5 .4529 .4200 .3872 .10 7.0 H82 .1250 .1607 .3891 .77 7.0 H83 .0916 .1780 .1674 .77 7.0