Forsterite Liang J, Hawthorne F C The Canadian Mineralogist 32 (1994) 541-552 Characterization of fine-grained mixtures of rock-forming minerals by Rietveld structure refinement: olivine + pyroxene Sample: SPh single phase Rietveld _database_code_amcsd 0005396 4.7649 10.2376 5.9986 90 90 90 Pbnm atom x y z occ Biso Si .4288 .0949 .25 .39 MgM1 0 0 0 .924 .40 FeM1 0 0 0 .076 .40 MgM2 .9924 .2769 .25 .898 .41 FeM2 .9924 .2769 .25 .102 .41 O1 .7655 .0896 .25 .50 O2 .2197 .4477 .25 .48 O3 .2784 .1639 .0318 .52