Forsterite Merli M, Oberti R, Caucia F, Ungaretti L American Mineralogist 86 (2001) 55-65 Determination of site population in olivine: Warnings on X-ray data treatment and refinement Sample: F**2-refinement using CRYSTALS Fo92Fa08 _database_code_amcsd 0002601 4.7579 10.2151 5.9890 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) Mg1 0 0 0 .92 .00473 .00632 .00511 .00018 -.00065 -.00107 Fe1 0 0 0 .08 .00473 .00632 .00511 .00018 -.00065 -.00107 Mg2 .9901 .2776 .25 .92 .00619 .00422 .00595 .00010 0 0 Fe2 .9901 .2776 .25 .08 .00619 .00422 .00595 .00010 0 0 Si .4267 .0943 .25 .00308 .00375 .00452 .00014 0 0 O1 .7661 .0918 .25 .00357 .00658 .00599 .00023 0 0 O2 .2208 .4475 .25 .00554 .00388 .00655 .00002 0 0 O3 .2781 .1633 .0333 .00547 .00624 .00565 .00032 -.00020 .00150