Forsterite Muller-Sommer M, Hock R, Kirfel A Physics and Chemistry of Minerals 24 (1997) 17-23 Rietveld refinement study of the cation distribution in (Co, Mg)-olivine solid solution Sample: M62 _database_code_amcsd 0007977 4.7679 10.2400 5.9884 90 90 90 Pbnm atom x y z occ Biso CoM1 0 0 0 .54 .52 MgM1 0 0 0 .46 .52 CoM2 .9903 .2770 .25 .21 .41 MgM2 .9903 .2770 .25 .79 .41 Si .4298 .0949 .25 .34 O1 .7617 .0914 .25 .47 O2 .2162 .4512 .25 .47 O3 .2833 .1620 .0389 .51