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 = 100 K
_database_code_amcsd 0002634
5.86332 8.76659 13.1021 90 90 90 P2_1cn
atom     x       y     z occ  Uiso
Ca   -.269   .0813 .2503     .0033
Al       0    .000 -.004 .97 .0017
Fe       0    .000 -.004 .03 .0017
Ala   .005   -.002  .505 .97 .0017
Fea   .005   -.002  .505 .03 .0017
Si   -.252    .730  .132     .0018
Sia  -.249    .727  .366     .0018
O1   -.244 -.20172 .2485     .0046
O2    .018   .1184 .1218     .0037
O2a   .015    .127 .3862     .0037
O2b   .467   .3675 .8824     .0037
O2c   .470    .374 .6197     .0037
O3   -.257  -.1135 .0637     .0016
O3a  -.256  -.1147 .4341     .0016
O4   -.263   .3919 .0513     .0026
O4a  -.255   .3806 .4609     .0026
O5   -.241   .3590 .2485     .0072
Dw   -.260   .3842 .1726     .0243
Dwa   .701   .4410 .2851      .036
Dh   -.254   .2797 .0295     .0216
Dha  -.240   .3218 .4024      .030