MgGeO3 Kubo A, Kiefer B, Shim S H, Shen G, Prakapenka V B, Duffy T S American Mineralogist 93 (2008) 965-976 Rietveld structure refinement of MgGeO3 post-perovskite phase to 1 Mbar Locality: Synthetic Sample: B038, P = 85.0 GPa, T = 300 K _database_code_amcsd 0004595 2.6018 8.4259 6.4161 90 90 90 Cmcm atom x y z Mg 0 .2573 .25 Ge 0 0 0 O1 0 .9127 .25 O2 0 .6398 .4375