Gadolinium gallium garnet
      Diffraction data computed using the structure from the paper listed below, 
      along with the cell parameters refined from single crystal data of X090006
      Sawada H
      Journal of Solid State Chemistry 132 (1997) 300-307
      Electron density of garnets Z3Ga5O12; Z=Nd, Sm, Gd, Tb
      Locality: synthetic

      CELL PARAMETERS:  12.4170 12.4170 12.4170   90.000   90.000   90.000
      SPACE GROUP: Ia3d      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Gd     0.12500   0.00000   0.25000     1.000     1.500
            Ga     0.00000   0.00000   0.00000     1.000     0.600
            Ga     0.37500   0.00000   0.25000     1.000     0.600
            O      0.02890   0.05420   0.64940     1.000     1.000

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/- 11 +/- 11 +/- 11
            MAX. ABS. INTENSITY / VOLUME**2:      213.0831618    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                17.49         14.19        5.0692    2   1   1
                20.23          3.38        4.3901    2   2   0
                26.87          7.93        3.3186    3   2   1
                28.76         26.24        3.1042    4   0   0
                32.24        100.00        2.7765    4   2   0
                35.41         40.98        2.5346    4   2   2
                36.91          1.21        2.4352    4   3   1
                39.76          7.56        2.2670    5   2   1
                41.12          1.73        2.1950    4   4   0
                45.00          3.52        2.0143    6   1   1
                45.00          4.24        2.0143    5   3   2
                50.95         12.95        1.7922    4   4   4
                53.19         27.64        1.7219    6   4   0
                54.29          1.14        1.6897    7   2   1
                54.29          1.14        1.6897    5   5   2
                55.37         30.90        1.6593    6   4   2
                59.56         12.22        1.5521    8   0   0
                67.46          7.27        1.3883    8   4   0
                69.36         16.52        1.3548    8   4   2
                71.24          5.74        1.3237    6   6   4
                83.93          8.77        1.1529    8   6   4
                83.93          5.08        1.1529   10   4   0
                85.71          6.65        1.1335   10   4   2
                89.24          6.51        1.0975    8   8   0
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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.