Lawsonite
Liebscher A, Dorsam G, Franz G, Wunder B, Gottschalk M
American Mineralogist 95 (2010) 724-735
Crystal chemistry of synthetic lawsonite solid-solution series CaAl2
[(OH)2/(Si2O7)](H2O)-SrAl2[(OH)2/(Si2O7)](H2O) and the Cmcm-P2_1/m phase transition
Note: Run #AU76
Locality: synthetic
_database_code_amcsd 0018946
5.8422 8.7904 13.1344 90 90 90 Cmcm
atom     x     y     z  occ
Ca       0 .3337   .25 .982
Sr       0 .3337   .25 .018
Al     .25   .25     0
Si       0 .9810 .1329
O1       0 .0484   .25
O2   .2734 .3796 .1175
O3       0 .1390 .0651
OH4      0 .6391 .0487
Wat5     0  .609   .25