CoMgSiO4 Rinaldi R, Gatta G D, Artioli G, Knight K S, Geiger C A Physics and Chemistry of Minerals 32 (2005) 655-664 Crystal chemistry, cation ordering and thermoelastic behavior of CoMgSiO4 olivine at high temperature as studied by in situ neutron powder diffraction Sample: T = 20 C _database_code_amcsd 0009012 4.77572 10.27159 6.00235 90 90 90 Pbnm atom x y z occ Uiso Co1 0 0 0 .698 .00278 Mg1 0 0 0 .302 .00278 Co2 .9912 .27708 .25 .302 .00507 Mg2 .9912 .27708 .25 .698 .00507 Si .42513 .09485 .25 .00385 O1 .76762 .09247 .25 .00556 O2 .21814 .44846 .25 .00542 O3 .27961 .16408 .03348 .00595