Pyroxene-ideal
      Thompson R M, Downs R T
      American Mineralogist 89 (2004) 614-628
      Model pyroxenes II: Structural variation as a function of tetrahedral rotation
      model diopside at 1000C after Cameron et al. (1973)
      with O3-O3-O3 angle = 168.5 and model oxygen radius = 1.330
      _database_code_amcsd 0003479

      CELL PARAMETERS:    9.8760   9.1700   5.2940   90.000  109.000   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    453.320
      Density (g/cm3):      3.172
      MAX. ABS. INTENSITY / VOLUME**2:      6.568167925    
      RIR:      0.674
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.01          3.82        4.6690    2   0   0         2
                19.36          7.75        4.5850    0   2   0         2
                19.72         12.64        4.5019   -1   1   1         4
                26.36         69.95        3.3810    0   2   1         4
                27.26         57.19        3.2714    2   2   0         4
                29.00        100.00        3.0789   -2   2   1         4
                30.07         74.22        2.9719   -3   1   1         4
                30.32         76.25        2.9475    3   1   0         4
                30.78          7.03        2.9050    1   3   0         4
                34.08         62.78        2.6309   -1   3   1         4
                34.72          3.52        2.5838   -2   0   2         2
                35.35          1.99        2.5388   -1   1   2         4
                35.88         74.45        2.5028    0   0   2         2
                36.06         22.15        2.4906    2   2   1         4
                37.33          6.36        2.4088    1   3   1         4
                38.57          1.71        2.3345    4   0   0         2
                39.30          7.29        2.2925    0   4   0         2
                40.00         27.54        2.2541    3   1   1         4
                40.06          2.80        2.2510   -2   2   2         4
                41.09          7.36        2.1968    0   2   2         4
                41.21         44.54        2.1907   -3   3   1         4
                41.40          3.69        2.1809    3   3   0         4
                41.47         14.72        2.1777    1   1   2         4
                41.91          6.35        2.1554   -4   2   1         4
                43.42         14.75        2.0843    0   4   1         4
                43.50          7.92        2.0804    4   2   0         4
                43.56         22.35        2.0775   -4   0   2         2
                44.00          9.78        2.0578    2   4   0         4
                45.17         22.29        2.0072   -2   4   1         4
                46.41         10.86        1.9565    2   0   2         2
                48.72          2.89        1.8689   -3   3   2         4
                49.23          2.80        1.8508    3   3   1         4
                49.83          1.99        1.8300    5   1   0         4
                50.30          9.83        1.8139    2   4   1         4
                50.49          2.27        1.8077    1   3   2         4
                50.73          4.68        1.7996    1   5   0         4
                50.73         13.68        1.7995    2   2   2         4
                52.29          6.39        1.7496    4   2   1         4
                53.43          7.97        1.7148   -2   4   2         4
                53.49          4.31        1.7131   -1   1   3         4
                54.18          6.91        1.6929   -3   1   3         4
                54.93          2.56        1.6714   -4   4   1         4
                54.97          9.74        1.6705    3   1   2         4
                55.43         30.54        1.6575   -5   3   1         4
                55.85         21.55        1.6461   -2   2   3         4
                58.25          6.88        1.5838   -3   5   1         4
                58.40          1.65        1.5801    3   5   0         4
                58.79         13.25        1.5707   -6   0   2         2
                59.39         14.29        1.5563    6   0   0         2
                60.10          1.50        1.5394   -4   4   2         4
                60.59         20.29        1.5283    0   6   0         2
                61.19         15.17        1.5146   -1   3   3         4
                61.82          4.91        1.5006   -3   3   3         4
                62.40          2.74        1.4882    2   4   2         4
                62.51          3.37        1.4859   -6   2   2         4
                62.63          1.54        1.4832    4   0   2         2
                63.76          2.93        1.4596    4   4   1         4
                64.31          5.64        1.4485   -3   5   2         4
                64.73          6.09        1.4400    3   5   1         4
                66.31         35.17        1.4096    5   3   1         4
                66.94         11.81        1.3979   -2   4   3         4
                67.27          1.22        1.3918   -7   1   1         4
                67.51          5.51        1.3874    1   3   3         4
                68.90         11.60        1.3628   -7   1   2         4
                69.30          7.72        1.3558   -5   3   3         4
                71.40          1.63        1.3211   -2   0   4         2
                71.46          2.24        1.3201    7   1   0         4
                71.76          2.37        1.3154   -2   6   2         4
                72.19          2.35        1.3085    5   5   0         4
                72.37          4.74        1.3058   -3   1   4         4
                72.46         24.26        1.3044    0   6   2         4
                73.16          3.85        1.2936    5   1   2         4
                73.27          6.98        1.2919   -4   0   4         2
                73.31          1.78        1.2913    3   1   3         4
                74.16          1.47        1.2787    4   6   0         4
                74.79          3.62        1.2694   -2   2   4         4
                75.18          1.60        1.2637   -1   5   3         4
                75.76          1.86        1.2556   -3   5   3         4
                76.06          3.98        1.2514    0   0   4         2
                76.19          1.63        1.2495   -7   1   3         4
                76.42          5.61        1.2464    3   5   2         4
                76.50          1.34        1.2453    4   4   2         4
                77.54          2.30        1.2311   -4   6   2         4
                79.23          2.94        1.2091   -3   7   1         4
                79.59          3.65        1.2044    2   6   2         4
                81.02          2.19        1.1868   -8   2   1         4
                81.51          4.39        1.1809   -6   0   4         2
                81.59          2.62        1.1799   -8   2   2         4
                82.67          1.15        1.1672    8   0   0         2
                83.06          2.03        1.1627    6   0   2         2
                84.59          2.18        1.1456   -3   7   2         4
                84.98          1.22        1.1414    3   7   1         4
                85.93          1.04        1.1312    8   2   0         4
                86.91          2.56        1.1209    2   0   4         2
                87.25          1.07        1.1173    0   8   1         4
                87.62          3.17        1.1136   -8   2   3         4
                88.48          4.21        1.1050   -2   8   1         4
                88.71          1.21        1.1027   -7   1   4         4
                89.47          9.53        1.0954   -6   6   2         4
                89.98          5.27        1.0905    6   6   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.