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

      CELL PARAMETERS:    2.6113   8.4602   6.4381   90.000   90.000   90.000
      SPACE GROUP: Cmcm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    142.231
      Density (g/cm3):      6.768
      MAX. ABS. INTENSITY / VOLUME**2:      55.27761094    
      RIR:      2.659
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.00         63.57        4.2301    0   2   0         2
                27.71         37.37        3.2190    0   0   2         2
                35.03        100.00        2.5617    0   2   2         4
                35.99         51.30        2.4951    1   1   0         4
                38.70          1.14        2.3265    1   1   1         8
                42.75         13.34        2.1151    0   4   0         2
                46.02         27.72        1.9721    1   1   2         8
                47.45         51.40        1.9160    1   3   0         4
                47.51          8.54        1.9138    0   2   3         4
                49.64         17.62        1.8364    1   3   1         8
                51.71          6.15        1.7676    0   4   2         4
                55.84         47.91        1.6464    1   3   2         8
                56.57          7.58        1.6270    1   1   3         8
                57.24         17.50        1.6095    0   0   4         2
                61.66          6.84        1.5043    0   2   4         4
                65.28          2.08        1.4293    1   3   3         8
                65.76          8.39        1.4200    1   5   0         4
                66.29          2.10        1.4100    0   6   0         2
                67.55          2.45        1.3867    1   5   1         8
                69.50         20.57        1.3525    1   1   4         8
                72.38         11.22        1.3056    2   0   0         2
                72.79         22.98        1.2992    1   5   2         8
                73.29         16.42        1.2916    0   6   2         4
                74.01          9.98        1.2808    0   4   4         4
                76.33          3.02        1.2476    2   2   0         4
                77.44         11.86        1.2324    1   3   4         8
                79.16          2.99        1.2099    2   0   2         4
                83.02         13.79        1.1633    2   2   2         8
                87.88          3.67        1.1110    2   4   0         4
                89.32          1.92        1.0968    1   7   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.