Mg1.25Ga1.5Ge.25O4
      Millard R L, Peterson R C, Swainson I P
      Physics and Chemistry of Minerals 27 (2000) 179-193
      Synthetic MgGa2O4-Mg2GeO4 spinel solid solution and beta-Mg3Ga2GeO8:
      chemistry, crystal structures, cation ordering, and comparison to Mg2GeO4 olivine
      Sample: RLM813, quenched from T = 1400 C
      Locality: synthetic
      _database_code_amcsd 0008402

      CELL PARAMETERS:    8.3026   8.3026   8.3026   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    572.324
      Density (g/cm3):      5.039
      MAX. ABS. INTENSITY / VOLUME**2:      79.13060325    
      RIR:      5.113
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.51          7.33        4.7935    1   1   1         8
                30.45         30.16        2.9354    2   2   0        12
                35.87        100.00        2.5033    3   1   1        24
                37.53          6.15        2.3968    2   2   2         8
                43.61         20.94        2.0756    4   0   0         6
                54.11         10.71        1.6948    4   2   2        24
                57.69          6.34        1.5978    3   3   3         8
                57.69         28.65        1.5978    5   1   1        24
                63.37         46.33        1.4677    4   4   0        12
                71.92          4.06        1.3128    6   2   0        24
                75.02          9.95        1.2661    5   3   3        24
                76.04          4.22        1.2517    6   2   2        24
                80.08          2.87        1.1984    4   4   4         8
                88.03          4.83        1.1095    6   4   2        48
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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.