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 = 285 K _database_code_amcsd 0002639 5.85424 8.79471 13.1365 90 90 90 *Cmcm .25 .25 0 atom x y z occ Uiso Ca -.25 .0804 .25 .011 Al 0 .25 0 .97 .005 Fe 0 .25 0 .03 .005 Si -.25 .7311 .1330 .0042 O1 -.25 -.2028 .25 .0064 O2 .0225 .1283 .1166 .0061 O3 -.25 -.1122 .0675 .0009 O4 -.25 .3910 .0480 .0128 O5 -.25 .3606 .25 .017 Dw -.25 .4153 .1886 .059 Dd -.25 .2890 .0551 .073