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 #AU88
Locality: synthetic
_database_code_amcsd 0018943
5.4194 13.2737 5.8575 90 124.42 90 P2_1/m
atom     x     y     z occ
Ca   .3456   .75 .6855 .04
Sr   .3456   .75 .6855 .96
Al1     .5     0     0
Al2     .5     0    .5
Si   .9668 .1298 .9905
O1    .945   .75  .936
O2    .770 .1107  .662
O3    .788 .3977  .123
O4    .292 .0723  .146
OH5   .290 .0554  .642
Wat6  .732   .75  .291