Hedenbergite
      Redhammer G J, Amthauer G, Lottermoser W, Treutmann W
      European Journal of Mineralogy 12 (2000) 105-120
      Synthesis and structural properties of clinopyroxenes of the
      hedenbergite CaFeSi2O6 - aegirine NaFeSi2O6 solid-solution series
      Sample: ae40/20
      _database_code_amcsd 0006818

      CELL PARAMETERS:    9.7598   8.9277   5.2748   90.000  106.041   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    441.712
      Density (g/cm3):      3.627
      MAX. ABS. INTENSITY / VOLUME**2:      19.34065326    
      RIR:      1.736
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.69         26.16        6.4668    1   1   0         4
                18.92          6.40        4.6899    2   0   0         2
                19.89          9.50        4.4639    0   2   0         2
                20.09          5.61        4.4193   -1   1   1         4
                24.29          2.72        3.6650    1   1   1         4
                27.59          8.33        3.2334    2   2   0         4
                29.81        100.00        2.9972   -2   2   1         4
                30.29         40.17        2.9509    3   1   0         4
                30.83          7.63        2.9002   -3   1   1         4
                34.93         30.42        2.5686   -1   3   1         4
                35.41         39.17        2.5347    0   0   2         2
                35.49          2.10        2.5293   -1   1   2         4
                35.67         43.03        2.5173    2   2   1         4
                37.61          1.13        2.3917    1   3   1         4
                38.39          2.12        2.3449    4   0   0         2
                39.12          3.64        2.3025    3   1   1         4
                40.41          1.12        2.2319   -3   1   2         4
                40.63         14.44        2.2205    1   1   2         4
                40.94          2.34        2.2042    0   2   2         4
                41.91          2.90        2.1556    3   3   0         4
                42.32         20.60        2.1356   -3   3   1         4
                42.85         11.95        2.1107   -4   2   1         4
                44.35          6.80        2.0427    0   4   1         4
                44.82         13.26        2.0223   -4   0   2         2
                45.11          7.54        2.0097    2   0   2         2
                45.98          1.60        1.9738   -1   3   2         4
                46.47          3.29        1.9541   -2   4   1         4
                47.92          2.04        1.8983   -5   1   1         4
                48.97          4.63        1.8602    3   3   1         4
                49.48          1.09        1.8420   -4   2   2         4
                49.76          1.19        1.8325    2   2   2         4
                50.24          1.04        1.8162    1   3   2         4
                50.69          2.10        1.8008    2   4   1         4
                51.49          3.54        1.7749    4   2   1         4
                52.15         14.31        1.7540    1   5   0         4
                53.44          2.40        1.7144    3   1   2         4
                54.80          6.45        1.6751    0   4   2         4
                55.14          1.24        1.6656   -3   1   3         4
                56.43         16.49        1.6306   -2   2   3         4
                56.57         14.06        1.6268   -5   3   1         4
                56.96          6.21        1.6167    4   4   0         4
                59.09          4.73        1.5633    6   0   0         2
                59.63          5.42        1.5505    3   5   0         4
                60.37          4.94        1.5333   -6   0   2         2
                60.62          3.09        1.5276   -6   2   1         4
                60.77          5.63        1.5241    4   0   2         2
                61.48         11.93        1.5082   -1   3   3         4
                61.73          1.47        1.5028   -4   2   3         4
                62.41          4.73        1.4879    0   6   0         2
                62.85          1.03        1.4786   -1   5   2         4
                63.11          1.56        1.4731   -3   3   3         4
                64.01          1.22        1.4547   -5   1   3         4
                64.62          1.59        1.4424    4   2   2         4
                65.63         15.79        1.4226    5   3   1         4
                66.21          9.22        1.4116   -3   5   2         4
                66.36          4.10        1.4087    1   5   2         4
                66.76          1.01        1.4012    1   3   3         4
                67.22          4.89        1.3927    2   2   3         4
                68.04          1.98        1.3779   -2   4   3         4
                70.64          6.86        1.3334   -7   1   2         4
                71.04          3.64        1.3268    6   2   1         4
                71.15          2.06        1.3251    7   1   0         4
                71.40          4.06        1.3211   -5   3   3         4
                73.19          4.30        1.2932   -3   1   4         4
                73.78          1.12        1.2843   -2   6   2         4
                73.85          7.09        1.2832    0   6   2         4
                74.64          2.07        1.2716   -4   0   4         2
                74.93          3.68        1.2674    0   0   4         2
                75.54          1.07        1.2587    4   4   2         4
                76.25          7.10        1.2487    3   5   2         4
                77.10          1.68        1.2371   -1   7   1         4
                78.72          2.48        1.2157    1   7   1         4
                81.95          1.38        1.1756   -8   2   1         4
                82.22          1.55        1.1725    8   0   0         2
                83.96          2.75        1.1525   -6   0   4         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.