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 #AU63
Locality: synthetic
_database_code_amcsd 0018934
5.3032 13.174 5.8436 90 123.76 90 P2_1/m
atom    x     y    z occ
Ca   .342   .75 .672 .79
Sr   .342   .75 .672 .21
Al1    .5     0    0
Al2    .5     0   .5
Si   .960 .1324 .980
O1   .927   .75 .957
O2   .764  .114 .653
O3   .777  .389 .126
O4   .280  .068 .143
OH5  .276  .054 .636
Wat6 .760   .75 .348