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: A042, P = 100.2 GPa, T = 300 K
      _database_code_amcsd 0004590

      CELL PARAMETERS:    2.5811   8.3628   6.3730   90.000   90.000   90.000
      SPACE GROUP: Cmcm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    137.563
      Density (g/cm3):      6.998
      MAX. ABS. INTENSITY / VOLUME**2:      57.96178255    
      RIR:      2.697
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.25         59.43        4.1814    0   2   0         2
                28.00         34.95        3.1865    0   0   2         2
                35.42        100.00        2.5344    0   2   2         4
                36.43         50.27        2.4663    1   1   0         4
                43.28         12.80        2.0907    0   4   0         2
                46.57         29.05        1.9504    1   1   2         8
                48.04          8.98        1.8939    0   2   3         4
                48.04         50.36        1.8939    1   3   0         4
                50.26         17.11        1.8154    1   3   1         8
                52.34          6.90        1.7480    0   4   2         4
                56.53         46.30        1.6281    1   3   2         8
                57.23          7.59        1.6096    1   1   3         8
                57.88         16.16        1.5933    0   0   4         2
                62.37          6.71        1.4888    0   2   4         4
                66.09          2.03        1.4137    1   3   3         8
                66.63          7.56        1.4036    1   5   0         4
                67.16          2.22        1.3938    0   6   0         2
                68.44          2.73        1.3708    1   5   1         8
                70.35         20.85        1.3383    1   1   4         8
                73.36         10.89        1.2905    2   0   0         2
                73.76         22.58        1.2845    1   5   2         8
                74.27         15.89        1.2770    0   6   2         4
                74.94         10.14        1.2672    0   4   4         4
                77.39          2.85        1.2332    2   2   0         4
                78.44         10.86        1.2192    1   3   4         8
                80.25          2.82        1.1962    2   0   2         4
                84.19         13.61        1.1500    2   2   2         8
                89.18          3.55        1.0982    2   4   0         4
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.