Forsterite Francis C A, Ribbe P H American Mineralogist 65 (1980) 1263-1269 The forsterite-tephroite series: I. Crystal structure refinements Sample: Fo51 olivine Locality: Langban, Sweden _database_code_amcsd 0000801 4.794 10.491 6.123 90 90 90 Pbnm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mg1 0 0 0 0.0031 0.00135 0.00250 -.00010 -.0005 -.00034 Mn2 .9870 .2790 .25 .97 0.0061 0.00116 0.00366 0.00024 0 0 Mg2 .9870 .2790 .25 .03 0.0061 0.00116 0.00366 0.00024 0 0 Si .4226 .0910 .25 0.0031 0.00096 0.00250 0 0 0 O1 .7585 .0867 .25 0.0022 0.00170 0.00370 -.00020 0 0 O2 .2301 .4489 .25 0.0040 0.00110 0.00380 -.00050 0 0 O3 .2782 .1590 .0374 0.0039 0.00130 0.00360 0.00000 0.0000 0.00040