Lawsonite
Meyer H, 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 = 2 K
_database_code_amcsd 0002632
5.86465 8.7652 13.1002 90 90 90 P2_1cn
atom     x      y     z occ  Uiso
Ca   -.266  .0812 .2511     .0035
Al       0  -.000 -.002 .97 .0015
Fe       0  -.000 -.002 .03 .0015
Ala   .002  -.002  .498 .97 .0015
Fea   .002  -.002  .498 .03 .0015
Si   -.248   .731  .133     .0021
Sia  -.250   .727  .366     .0021
O1   -.239 -.2016 .2485     .0030
O2    .024  .1185 .1250     .0027
O2a   .021  .1261 .3819     .0027
O2b   .474  .3674 .8870     .0027
O2c   .475  .3740 .6170     .0027
O3   -.253 -.1130 .0636     .0015
O3a  -.252 -.1155 .4339     .0015
O4   -.258  .3916 .0513     .0016
O4a  -.247  .3806 .4613     .0016
O5   -.234  .3589 .2479     .0041
Dw   -.250  .3826 .1721     .0226
Dwa   .699  .4402 .2841      .035
Dh   -.250  .2797 .0290     .0193
Dha  -.234  .3227 .4014      .028