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: ae50/20
      _database_code_amcsd 0006819

      CELL PARAMETERS:    9.7441   8.9103   5.2791   90.000  106.225   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    440.091
      Density (g/cm3):      3.615
      MAX. ABS. INTENSITY / VOLUME**2:      18.21654234    
      RIR:      1.641
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.72         34.55        6.4524    1   1   0         4
                18.97          6.03        4.6780    2   0   0         2
                19.93         10.69        4.4552    0   2   0         2
                20.08         10.70        4.4213   -1   1   1         4
                24.33          3.13        3.6582    1   1   1         4
                27.65          9.40        3.2262    2   2   0         4
                29.83        100.00        2.9957   -2   2   1         4
                30.37         45.59        2.9436    3   1   0         4
                30.84          7.63        2.8991   -3   1   1         4
                34.97         29.36        2.5656   -1   3   1         4
                35.42         43.13        2.5344    0   0   2         2
                35.47          2.31        2.5307   -1   1   2         4
                35.75         43.89        2.5113    2   2   1         4
                38.49          2.24        2.3390    4   0   0         2
                39.24          3.94        2.2961    3   1   1         4
                40.38          1.05        2.2339   -3   1   2         4
                40.68         14.52        2.2180    1   1   2         4
                40.97          2.97        2.2029    0   2   2         4
                42.01          2.71        2.1508    3   3   0         4
                42.37         20.99        2.1332   -3   3   1         4
                42.89         13.68        2.1084   -4   2   1         4
                44.42          7.12        2.0393    0   4   1         4
                44.79         10.41        2.0236   -4   0   2         2
                45.20          8.22        2.0060    2   0   2         2
                46.00          1.43        1.9730   -1   3   2         4
                46.54          3.39        1.9515   -2   4   1         4
                47.99          2.02        1.8959   -5   1   1         4
                49.10          4.68        1.8555    3   3   1         4
                49.47          1.30        1.8425   -4   2   2         4
                49.79          1.69        1.8313    5   1   0         4
                50.81          1.96        1.7969    2   4   1         4
                51.64          3.34        1.7699    4   2   1         4
                52.26         13.85        1.7506    1   5   0         4
                53.58          2.79        1.7105    3   1   2         4
                54.87          6.09        1.6732    0   4   2         4
                55.07          1.51        1.6675   -3   1   3         4
                56.39         17.09        1.6315   -2   2   3         4
                56.66         16.10        1.6244   -5   3   1         4
                57.10          6.24        1.6131    4   4   0         4
                59.26          4.78        1.5593    6   0   0         2
                59.77          6.02        1.5473    3   5   0         4
                60.38          4.93        1.5329   -6   0   2         2
                60.72          3.26        1.5252   -6   2   1         4
                60.95          5.19        1.5202    4   0   2         2
                61.49         11.37        1.5080   -1   3   3         4
                61.67          1.76        1.5041   -4   2   3         4
                62.55          5.15        1.4851    0   6   0         2
                62.93          1.07        1.4769   -1   5   2         4
                63.08          2.21        1.4738   -3   3   3         4
                63.94          1.14        1.4560   -5   1   3         4
                64.80          1.53        1.4387    4   2   2         4
                65.83         16.41        1.4188    5   3   1         4
                66.27          9.33        1.4104   -3   5   2         4
                66.48          4.31        1.4064    1   5   2         4
                67.33          4.92        1.3907    2   2   3         4
                68.05          2.31        1.3778   -2   4   3         4
                70.69          6.81        1.3326   -7   1   2         4
                71.28          3.89        1.3231    6   2   1         4
                71.36          2.19        1.3218    7   1   0         4
                71.37          4.51        1.3216   -5   3   3         4
                73.10          4.28        1.2945   -3   1   4         4
                73.98          7.28        1.2813    0   6   2         4
                74.54          1.77        1.2731   -4   0   4         2
                74.94          3.90        1.2672    0   0   4         2
                75.75          1.51        1.2556    4   4   2         4
                76.44          7.37        1.2460    3   5   2         4
                77.26          1.85        1.2349   -1   7   1         4
                78.90          2.70        1.2133    1   7   1         4
                82.13          1.37        1.1735   -8   2   1         4
                82.48          1.32        1.1695    8   0   0         2
                83.85          3.33        1.1538   -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.