Fayalite Smyth J R American Mineralogist 60 (1975) 1092-1097 High temperature crystal chemistry of fayalite T = 300 deg C olivine _database_code_amcsd 0000481 4.825 10.491 6.100 90 90 90 Pbnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 0 0 .0075 .0038 .0072 .00050 -.0009 -.0009 Fe2 .9859 .2803 .25 .0105 .0026 .0065 .00020 0 0 Si .4294 .0976 .25 .0040 .0022 .0060 .00050 0 0 O1 .7672 .0933 .25 .0025 .0027 .0081 .00180 0 0 O2 .2086 .4529 .25 .0038 .0033 .0054 -.0007 0 0 O3 .2897 .1630 .0395 .0072 .0020 .0079 -.0010 -.0015 .0011