Ge Hf O4
      Ennaciri A, Kahn A, Michel D
      Journal of the Less-Common Metals 124 (1986) 105-109
      Crystal structures of Hf Ge O4 and Th Ge O4 germanates
      _cod_database_code 1001684
      _database_code_amcsd 0014159

      CELL PARAMETERS:    4.8620   4.8620  10.4970   90.000   90.000   90.000
      SPACE GROUP: I4_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    248.139
      Density (g/cm3):      8.434
      MAX. ABS. INTENSITY / VOLUME**2:      378.7579320    
      RIR:     14.623
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.13         22.97        4.4117    1   0   1         8
                31.10        100.00        2.8759    1   1   2         8
                31.50          4.86        2.8400    1   0   3         8
                34.17         14.74        2.6242    0   0   4         2
                36.98         19.92        2.4310    2   0   0         4
                42.46          1.36        2.1292    2   1   1         8
                42.46          6.22        2.1292    1   2   1         8
                43.38          1.37        2.0860    1   1   4         8
                47.15          3.16        1.9274    1   0   5         8
                49.35          1.84        1.8468    1   2   3         8
                49.35          3.47        1.8468    2   1   3         8
                51.22         27.01        1.7834    2   0   4         8
                53.29         12.68        1.7190    2   2   0         4
                57.54          1.08        1.6017    3   0   1         8
                59.26         14.24        1.5592    1   1   6         8
                63.00         10.75        1.4755    1   3   2         8
                63.00         12.40        1.4755    3   1   2         8
                63.23          1.47        1.4706    3   0   3         8
                64.84          9.06        1.4379    2   2   4         8
                71.96          1.44        1.3121    0   0   8         2
                78.73          2.89        1.2155    4   0   0         4
                83.75          4.65        1.1549    1   3   6         8
                83.75          3.59        1.1549    3   1   6         8
                83.77          4.93        1.1547    2   0   8         8
                87.03          3.63        1.1196    3   3   2         8
                88.69          3.48        1.1029    4   0   4         8
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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.