Lizardite Mellini M, Zanazzi P F American Mineralogist 72 (1987) 943-948 Crystal structures of lizardite-1T and lizardite-2H1 from Coli, Italy Sample: Lizardite-1T Note: U(1,2) for Mg/O3 altered to match symmetry constraints. Note: Thermal ellipsoid for O1 is non-positive definite _database_code_amcsd 0001114 5.325 5.325 7.259 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 .0748 .0006 .0006 .0234 .0003 0 0 Mg .3322 0 .4557 .0028 .0031 .0242 .00155 .0026 0 O1 1/3 2/3 .292 -.0060 -.0060 .0405 -.0030 0 0 O2 .5045 0 -.0082 .0147 .0076 .0147 .0038 -.0045 0 O3 .6655 0 .5899 .0109 .0127 .0257 .00635 .0028 0 O4 0 0 .3080 .0084 .0084 .0108 .0042 0 0 H3 .580 0 .738 .022 H4 0 0 .200 .023