Friedelite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060364
      Kato T, Watanabe I
      Yamaguchi University, College of Arts Bulletin 26 (1992) 51-63
      The crystal structures of schallerite and friedelite
      Locality: Aderville, France

      CELL PARAMETERS:   23.22143   13.40745   7.458828   90.00000   105.0024   90.00000
      SPACE GROUP: C2/m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                 7.71         10.48       11.5082    1   1   0
                 7.91         11.11       11.2150    2   0   0
                12.31        100.00        7.2046    0   0   1
                13.23          2.27        6.7037    0   2   0
                13.59          6.37        6.5300    3   1   0
                13.63         15.47        6.5077   -1   1   1
                15.42          3.64        5.7541    2   2   0
                16.15          6.33        5.4960   -3   1   1
                16.28          3.35        5.4535    2   0   1
                17.37          1.17        5.1129   -4   0   1
                18.10          2.11        4.9078    0   2   1
                20.28          2.49        4.3830    1   3   0
                20.90          1.94        4.2542    5   1   0
                21.02          3.99        4.2305    2   2   1
                21.88          1.53        4.0654   -4   2   1
                23.23          2.90        3.8316   -1   3   1
                24.73         26.98        3.6023    0   0   2
                24.92          8.48        3.5759   -1   1   2
                26.84          2.76        3.3234    5   1   1
                26.91          2.22        3.3146    1   1   2
                27.33          2.25        3.2650    6   2   0
                27.34          2.02        3.2642   -6   2   1
                27.42          1.56        3.2539   -2   2   2
                27.92          2.25        3.1972    2   0   2
                29.01          1.27        3.0789   -4   2   2
                31.10         33.05        2.8771    4   4   0
                31.10         16.04        2.8766   -8   0   1
                32.98          1.40        2.7164    1   3   2
                35.10         64.90        2.5575    4   4   1
                35.11         34.07        2.5564   -8   0   2
                35.58          1.00        2.5241    3   5   0
                37.31          6.23        2.4105    8   0   1
                37.33         13.35        2.4095   -4   4   2
                37.45          3.09        2.4015    0   0   3
                42.75         21.01        2.1152    4   4   2
                42.77         10.53        2.1143   -8   0   3
                45.87          4.20        1.9782    8   0   2
                45.89          8.60        1.9774   -4   4   3
                52.79         12.36        1.7338    4   4   3
                52.82          5.82        1.7331   -8   0   4
                54.76         20.26        1.6759  -12   4   1
                54.76          9.64        1.6759    0   8   0
                56.35          6.22        1.6325   12   4   0
                56.35          6.83        1.6323    0   8   1
                56.36          6.45        1.6321  -12   4   2
                56.53          4.05        1.6276    8   0   3
                56.56          8.48        1.6269   -4   4   4
                60.94          2.36        1.5198   12   4   1
                60.96          1.96        1.5195    0   8   2
                60.97          1.84        1.5192  -12   4   3
                64.31          1.65        1.4481  -16   0   1
                64.31          3.05        1.4481   -8   8   1
                64.57          1.14        1.4429    4   4   4
                64.67          2.43        1.4409    0   0   5
                66.70          3.10        1.4019   16   0   0
                66.71          6.91        1.4016   -8   8   2
                68.12          1.86        1.3760    8   8   1
                68.14          1.03        1.3756  -16   0   3
                68.20          1.25        1.3747   12   4   2
                68.21          1.30        1.3744    0   8   3
                68.23          1.35        1.3740  -12   4   4
                68.84          3.23        1.3634    8   0   4
                68.87          6.38        1.3629   -4   4   5
                71.83          1.53        1.3138   16   0   1
                71.86          3.10        1.3134   -8   8   3
                74.12          1.43        1.2787    8   8   2
                79.49          1.38        1.2052   16   0   2
                79.53          2.55        1.2048   -8   8   4
                79.84          1.15        1.2008    0   0   6
                82.59          2.21        1.1676    8   8   3
                82.64          1.09        1.1671  -16   0   5
                89.67          1.55        1.0929   12   4   4
                89.70          1.52        1.0926    0   8   5
                89.70          1.52        1.0926    0   8   5
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.