Olivine 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: M00 _database_code_amcsd 0007972 4.7825 10.3040 6.0041 90 90 90 Pbnm atom x y z Biso CoM1 0 0 0 .52 CoM2 .9919 .2771 .25 .41 Si .4279 .0964 .25 .34 O1 .7578 .0919 .25 .47 O2 .2137 .4516 .25 .47 O3 .2879 .1627 .0332 .51