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 = 450 C _database_code_amcsd 0007190 4.7908 10.3232 6.0434 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 .42728 .09495 .25 .0080 .0122 .0106 .0002 0 0 MgM1 0 0 0 .76 .0119 .0207 .0118 -.0002 -.0017 -.0035 FeM1 0 0 0 .24 .0119 .0207 .0118 -.0002 -.0017 -.0035 MgM2 .98937 .27877 .25 .79 .0156 .0129 .0136 .0004 0 0 FeM2 .98937 .27877 .25 .21 .0156 .0129 .0136 .0004 0 0 O1 .76479 .09203 .25 .0087 .0184 .0120 .0000 0 0 O2 .21830 .44934 .25 .0129 .0117 .0140 -.0005 0 0 O3 .28146 .16339 .03537 .0120 .0176 .0140 .0003 -.0007 .0035