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: A038, P = 109.3 GPa, T = 300 K
      _database_code_amcsd 0004589

      CELL PARAMETERS:    2.5677   8.3132   6.3453   90.000   90.000   90.000
      SPACE GROUP: Cmcm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    135.446
      Density (g/cm3):      7.107
      MAX. ABS. INTENSITY / VOLUME**2:      56.78916224    
      RIR:      2.602
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.38         60.56        4.1566    0   2   0         2
                28.13         38.36        3.1727    0   0   2         2
                35.60        100.00        2.5220    0   2   2         4
                36.63         53.02        2.4533    1   1   0         4
                39.38          1.10        2.2883    1   1   1         8
                43.55         14.03        2.0783    0   4   0         2
                46.81         29.40        1.9408    1   1   2         8
                48.28          8.77        1.8851    0   2   3         4
                48.32         53.87        1.8834    1   3   0         4
                50.55         17.03        1.8056    1   3   1         8
                52.65          6.63        1.7385    0   4   2         4
                56.85         48.20        1.6196    1   3   2         8
                57.53          7.82        1.6019    1   1   3         8
                58.15         17.66        1.5863    0   0   4         2
                62.69          6.96        1.4821    0   2   4         4
                66.47          2.35        1.4066    1   3   3         8
                67.06          7.40        1.3956    1   5   0         4
                67.62          2.44        1.3855    0   6   0         2
                68.89          2.50        1.3630    1   5   1         8
                70.72         20.74        1.3321    1   1   4         8
                73.81         11.22        1.2838    2   0   0         2
                74.24         22.73        1.2775    1   5   2         8
                74.77         16.95        1.2697    0   6   2         4
                75.38         10.10        1.2610    0   4   4         4
                77.87          2.92        1.2267    2   2   0         4
                78.90         12.17        1.2133    1   3   4         8
                80.75          3.02        1.1901    2   0   2         4
                84.72         13.75        1.1441    2   2   2         8
                89.79          3.80        1.0923    2   4   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.