Forsterite Yamazaki S, Toraya H Journal of Applied Crystallography 32 (1999) 51-59 Rietveld refinement of site-occupancy parameters of Mg2-xMnxSiO4 using a new weight function in least-squares fitting Note: e = 1 Locality: synthetic _database_code_amcsd 0019684 10.20141 5.98348 4.75534 90 90 90 Pnma atom x y z Biso MgM1 0 0 0 1.06 MgM2 .2772 .25 .9914 1.01 Si .0937 .25 .4260 .89 O1 .0909 .25 .7627 .89 O2 .4494 .25 .2204 1.03 O3 .1615 .0366 .2782 1.13