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: B040, P = 79.2 GPa, T = 300 K _database_code_amcsd 0004596 2.6113 8.4602 6.4381 90 90 90 Cmcm atom x y z Mg 0 .2555 .25 Ge 0 0 0 O1 0 .9121 .25 O2 0 .6367 .4370