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 = 800 C _database_code_amcsd 0007194 4.8081 10.3727 6.0722 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 .09503 .25 .0117 .0175 .0160 .0004 0 0 MgM1 0 0 0 .76 .0187 .0321 .0186 -.0006 -.0031 -.0056 FeM1 0 0 0 .24 .0187 .0321 .0186 -.0006 -.0031 -.0056 MgM2 .99027 .27942 .25 .80 .0241 .0198 .0219 .0007 0 0 FeM2 .99027 .27942 .25 .20 .0241 .0198 .0219 .0007 0 0 O1 .76384 .09216 .25 .0136 .0274 .0194 -.0001 0 0 O2 .21813 .45016 .25 .0196 .0170 .0220 .0000 0 0 O3 .28300 .16338 .03619 .0188 .0265 .0207 .0008 -.0008 .0064