Pyrope Nakatsuka A, Yoshiasa A, Yamanaka T, Ohtaka O, Katsura T, Ito E American Mineralogist 84 (1999) 1135-1143 Symmetry change of majorite solid-solution in the system Mg3Al2Si3O12-MgSiO3 Sample: x = .13 _database_code_amcsd 0002256 11.4755 11.4755 11.4755 90 90 90 Ia-3d atom x y z occ Biso MgX .125 0 .25 .89 MgY 0 0 0 .065 .37 AlY 0 0 0 .870 .37 SiY 0 0 0 .065 .37 SiZ .375 0 .25 .41 O -.03275 .05012 .15370 .58