Lawsonite
Meyer H W, Marion S, Sondergeld P, Carpenter M A, Knight K S, Redfern S A T,
Dove M T
American Mineralogist 86 (2001) 566-577
Displacive components of the low-temperature phase transitions in lawsonite
T = 400 K
_database_code_amcsd 0002642
5.85851 8.80727 13.149 90 90 90 *Cmcm
.25 .25 0
atom     x      y     z occ  Uiso
Ca    -.25  .0803   .25      .014
Al       0    .25     0 .97  .007
Fe       0    .25     0 .03  .007
Si    -.25  .7309 .1330     .0052
O1    -.25 -.2036   .25     .0089
O2   .0225  .1288 .1165     .0075
O3    -.25 -.1123 .0678     .0027
O4    -.25  .3916 .0481     .0137
O5    -.25  .3607   .25      .022
Dw    -.25  .4161 .1889      .065
Dd    -.25  .2893 .0557      .075