Forsterite Hushur A, Manghnani M H, Smyth J R, Nestola F, Frost D J American Mineralogist 94 (2009) 751-760 Crystal chemistry of hydrous forsterite and its vibrational properties up to 41 GPa Locality: synthetic Sample: SZ0408B _database_code_amcsd 0004938 4.7547 10.20416 5.98494 90 90 90 Pbnm atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg1 .0 .0 .0 .990 .0075 .0065 .0089 .0070 .0 .0 .0 Mg2 .9911 .27714 .25 1.001 .0078 .0074 .0070 .0090 .0 .0 .0000 Si .4263 .09380 .25 .993 .0060 .0047 .0061 .0073 .0 .0 .0002 O1 .7659 .0914 .25 .0065 .0047 .0072 .0076 .0 .0 .0006 O2 .2216 .4469 .25 .0070 .0067 .0063 .0079 .0 .0 -.0005 O3 .2774 .16284 .0330 .0074 .0066 .0073 .0082 .0012 -.0003 .0005