Mg3Si4O10(OH)2*H2O Zanazzi P F, Comodi P, Nazzareni S, Rotiroti N, van Smaalen S Physics and Chemistry of Minerals 34 (2007) 23-29 Behavior of 10-A phase at low temperatures Sample: T = 116 K _database_code_amcsd 0009051 5.3000 9.182 10.096 90 100.05 90 C2/m atom x y z occ Uiso Si .5753 .1665 .2284 .003 Mg1 0 .5 .5 .005 Mg2 0 .8337 .5 .005 O1 .8105 .2456 .1719 .007 O2 .5537 0 .1736 .009 O3 .6301 .1667 .3917 .006 OH4 .1310 0 .3922 .004 Wat5 .014 0 .031 .5 .025