Pyrope Zhang L, Ahsbahs H, Kutoglu A Physics and Chemistry of Minerals 25 (1998) 301-307 Hydrostatic compression and crystal structure of pyrope to 33 GPa Sample: P = 8.57 GPa _database_code_amcsd 0008140 11.2893 11.2893 11.2893 90 90 90 Ia-3d atom x y z Biso Mg .125 0 .25 Al 0 0 0 Si .375 0 .25 O .0330 .0527 .6535 .54