Lizardite Mellini M American Mineralogist 67 (1982) 587-598 The crystal structure of lizardite 1T: hydrogen bonds and polytypism _database_code_amcsd 0000867 5.332 5.332 7.233 90 90 120 P31m atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Si 1/3 2/3 .0766 0.0050 0.0050 0.0116 0 0 0.0025 Mg .3327 0 .4596 0.0032 0.0032 0.0122 0 0.0007 0.0016 O1 1/3 2/3 .3000 0.0096 0.0096 0.0068 0 0 0.0048 O2 .5087 0 -.0036 0.0130 0.0130 0.0136 0 0.0048 0.0065 Oh3 .6654 0 .5935 0.0095 0.0095 0.0091 0 -.0003 0.0048 Oh4 0 0 .3088 0.0058 0.0058 0.0161 0 0 0.0029 H3 .6550 0 .709 .026 H4 0 0 .199 .001