Lawsonite Comodi P, Zanazzi P F American Mineralogist 81 (1996) 833-841 Effects of temperature and pressure on the structure of lawsonite P = 0.001 kbar, T = 444 C _database_code_amcsd 0001803 8.852 5.882 13.194 90 90 90 Ccmm atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca .3327 0 .25 .026 .019 .018 0 0 0 Al .25 .25 0 .0116 .008 .010 .0004 -.0019 -.0011 Si .9798 0 .1330 .0099 .0087 .0084 0 .0003 0 O1 .0467 0 .25 .027 .027 .004 0 0 0 O2 .3796 .2728 .1167 .016 .010 .017 .001 -.005 -.004 O3 .1374 0 .0659 .012 .015 .011 0 .000 0 O4 .6406 0 .0474 .008 .010 .019 0 .0031 0 O5 .611 0 .25 .039 .066 .020 0 0 0