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 #AU89
Locality: synthetic
_database_code_amcsd 0018944
5.4222 13.2778 5.8584 90 124.42 90 P2_1/m
atom     x     y     z  occ
Ca   .3462   .75 .6860 .019
Sr   .3462   .75 .6860 .981
Al1     .5     0     0
Al2     .5     0    .5
Si   .9661 .1297 .9902
O1    .954   .75  .938
O2    .771 .1104  .665
O3    .788 .3980  .126
O4    .293 .0726  .146
OH5   .292 .0552  .642
Wat6  .736   .75  .293