Itoigawaite
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 #AU92
Locality: synthetic
_database_code_amcsd 0018942
5.4205 13.2735 5.8573 90 124.43 90 P2_1/m
atom     x     y     z  occ
Ca   .3454   .75 .6860 .034
Sr   .3454   .75 .6860 .966
Al1     .5     0     0
Al2     .5     0    .5
Si   .9653 .1298 .9892
O1    .951   .75  .938
O2    .772 .1104  .665
O3    .790 .3971  .125
O4    .294 .0725  .149
OH5   .293 .0561  .641
Wat6  .732   .75  .291