Forsterite Heinemann R, Kroll H, Kirfel A, Barbier B European Journal of Mineralogy 19 (2007) 15-27 Order and anti-order in olivine III: variation of the cation distribution, in the Fe,Mg olivine solid solution series with temperature and composition Locality: Saar-Nahe basin, Germany Sample: CSR-2, T = 677 C _database_code_amcsd 0007192 4.8010 10.3537 6.0613 90 90 90 Pbnm atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Si .42740 .09498 .25 .0104 .0156 .0139 .0003 0 0 MgM1 0 0 0 .76 .0162 .0278 .0160 -.0004 -.0026 -.0048 FeM1 0 0 0 .24 .0162 .0278 .0160 -.0004 -.0026 -.0048 MgM2 .98997 .27916 .25 .80 .0209 .0172 .0188 .0006 0 0 FeM2 .98997 .27916 .25 .20 .0209 .0172 .0188 .0006 0 0 O1 .76414 .09209 .25 .0117 .0241 .0165 -.0002 0 0 O2 .21821 .44983 .25 .0171 .0151 .0189 -.0002 0 0 O3 .28231 .16336 .03580 .0162 .0230 .0180 .0005 -.0008 .0055