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 = 300 K _database_code_amcsd 0002640 5.8543 8.79679 13.1387 90 90 90 *Cmcm .25 .25 0 atom x y z occ Uiso Ca -.25 .0807 .25 .012 Al 0 .25 0 .97 .006 Fe 0 .25 0 .03 .006 Si -.25 .7311 .1331 .0045 O1 -.25 -.2030 .25 .0066 O2 .0226 .1281 .1167 .0063 O3 -.25 -.1123 .0675 .0013 O4 -.25 .3913 .0482 .0128 O5 -.25 .3602 .25 .017 Dw -.25 .4160 .1886 .060 Dd -.25 .2889 .0554 .072