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: M503 _database_code_amcsd 0007983 4.7715 10.2535 5.9912 90 90 90 Pbnm atom x y z occ Biso CoM1 0 0 0 .670 .52 MgM1 0 0 0 .330 .52 CoM2 .9916 .2771 .25 .330 .41 MgM2 .9916 .2771 .25 .670 .41 Si .4281 .0946 .25 .34 O1 .7581 .0919 .25 .47 O2 .2135 .4502 .25 .47 O3 .2842 .1621 .0356 .51