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 = 350 K _database_code_amcsd 0002641 5.85603 8.80228 13.1442 90 90 90 *Cmcm .25 .25 0 atom x y z occ Uiso Ca -.25 .0805 .25 .014 Al 0 .25 0 .97 .007 Fe 0 .25 0 .03 .007 Si -.25 .7311 .1331 .0049 O1 -.25 -.2033 .25 .0071 O2 .0223 .1290 .1164 .0074 O3 -.25 -.1125 .0677 .0020 O4 -.25 .3915 .0482 .0142 O5 -.25 .3615 .25 .021 Dw -.25 .4160 .1886 .062 Dd -.25 .2896 .0556 .076