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 X090007
      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:  12.3750 12.3750 12.3750   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:      215.3820068    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                17.55         14.22        5.0521    2   1   1
                20.30          3.39        4.3752    2   2   0
                26.96          7.93        3.3074    3   2   1
                28.86         26.25        3.0938    4   0   0
                32.35        100.00        2.7671    4   2   0
                35.54         40.98        2.5260    4   2   2
                37.04          1.21        2.4269    4   3   1
                39.90          7.54        2.2594    5   2   1
                41.27          1.72        2.1876    4   4   0
                45.17          3.51        2.0075    6   1   1
                45.17          4.22        2.0075    5   3   2
                51.14         12.91        1.7862    4   4   4
                53.39         27.55        1.7161    6   4   0
                54.49          1.13        1.6840    5   5   2
                54.49          1.14        1.6840    7   2   1
                55.57         30.80        1.6537    6   4   2
                59.78         12.18        1.5469    8   0   0
                67.72          7.24        1.3836    8   4   0
                69.63         16.46        1.3502    8   4   2
                71.52          5.72        1.3192    6   6   4
                84.28          8.74        1.1490    8   6   4
                84.28          5.06        1.1490   10   4   0
                86.07          6.63        1.1297   10   4   2
                89.63          6.50        1.0938    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.