Andradite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from the powder pattern of R060449
      Armbruster T, Geiger C A
      European Journal of Mineralogy 5 (1993) 59-71
      Andradite crystal chemistry, dynamic X-site disorder
      and structural strain in silicate garnets
      Sample: T = 293K

      CELL PARAMETERS:  12.0646 12.0646 12.0646   90.000   90.000   90.000
      SPACE GROUP: Ia-3d     

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Ca     0.00000   0.25000   0.12500     1.000     0.433
            Fe     0.00000   0.00000   0.00000     1.000     0.267
            Si     0.37500   0.00000   0.25000     1.000     0.267
            O      0.03934   0.04860   0.65534     1.000     0.425

            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:      23.51650419    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                20.83         25.04        4.2655    2   2   0
                29.62         75.72        3.0161    4   0   0
                33.21        100.00        2.6977    4   2   0
                34.88          9.08        2.5722    3   3   2
                36.49         77.18        2.4627    4   2   2
                38.03         15.35        2.3661    4   3   1
                40.97         13.49        2.2027    5   2   1
                46.39         11.23        1.9571    5   3   2
                46.39         11.54        1.9571    6   1   1
                47.67         15.61        1.9076    6   2   0
                52.55          5.83        1.7414    4   4   4
                54.88         28.32        1.6731    6   4   0
                57.13         89.69        1.6122    6   4   2
                61.49         13.90        1.5081    8   0   0
                62.55          1.79        1.4850    7   4   1
                65.67          2.99        1.4218    8   2   2
                69.71         19.58        1.3489    8   4   0
                71.70         17.26        1.3164    8   4   2
                73.66         14.29        1.2861    6   6   4
                74.63          1.08        1.2717    8   5   1
                74.63          1.08        1.2717    7   5   4
                77.52          1.63        1.2313    8   4   4
                78.48          1.78        1.2187    8   5   3
                78.48          1.85        1.2187    9   4   1
                86.98          5.69        1.1202   10   4   0
                86.98          9.26        1.1202    8   6   4
                88.85         20.72        1.1013   10   4   2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.