Diopside
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050406
      Cameron M, Sueno S, Prewitt C T, Papike J J
      American Mineralogist 58 (1973) 594-618
      High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
      spodumene, and ureyite
      T = 24 C
      pyroxene

      CELL PARAMETERS:   9.745000   8.899000   5.251000   90.00000   105.6300   90.00000
      SPACE GROUP: C2/c
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                19.87          3.12        4.4612    0   2   0
                24.27          2.75        3.6630    1   1   1
                26.61         10.48        3.3455    0   2   1
                27.56         25.12        3.2329    2   2   0
                29.83        100.00        2.9912   -2   2   1
                30.24         27.05        2.9516    3   1   0
                30.86         36.34        2.8945   -3   1   1
                31.52          1.22        2.8351    1   3   0
                34.94         24.26        2.5649   -1   3   1
                35.39          2.18        2.5334   -2   0   2
                35.46         41.64        2.5285    0   0   2
                35.62         41.75        2.5174    2   2   1
                37.59          1.30        2.3903    1   3   1
                39.06         17.63        2.3038    3   1   1
                40.64          9.64        2.2176    1   1   2
                40.92          1.28        2.2030   -2   2   2
                40.98          9.54        2.1998    0   2   2
                41.87         10.08        2.1553    3   3   0
                42.33         18.52        2.1327   -3   3   1
                42.86          8.71        2.1080   -4   2   1
                43.54          1.07        2.0763    4   2   0
                44.34         19.26        2.0409    0   4   1
                44.92         11.96        2.0159   -4   0   2
                45.09          7.49        2.0086    2   0   2
                46.04          7.85        1.9695   -1   3   2
                48.90          2.21        1.8605    3   3   1
                49.59          6.75        1.8365    5   1   0
                49.73          3.10        1.8315    2   2   2
                50.24          3.64        1.8142    1   3   2
                52.12         13.73        1.7531    1   5   0
                53.18          1.91        1.7205   -5   1   2
                54.46          1.42        1.6832   -1   5   1
                54.83          4.84        1.6727    0   4   2
                55.30          6.51        1.6595   -3   1   3
                56.57         17.54        1.6253   -2   2   3
                56.57         14.41        1.6253   -5   3   1
                56.91          5.23        1.6165    4   4   0
                58.06          2.10        1.5871    5   3   0
                59.01          3.83        1.5639    6   0   0
                59.59          4.77        1.5500    3   5   0
                60.45          5.23        1.5300   -6   0   2
                60.68          6.70        1.5246    4   0   2
                60.60          2.50        1.5264   -6   2   1
                61.31          1.41        1.5104   -5   3   2
                61.58         13.58        1.5045   -1   3   3
                62.13          1.88        1.4926    2   4   2
                62.38          4.65        1.4871    0   6   0
                63.58          1.65        1.4620    4   4   1
                64.30          2.66        1.4472   -6   2   2
                64.53          1.48        1.4427    4   2   2
                65.52         18.88        1.4233    5   3   1
                65.35          2.41        1.4267    0   6   1
                66.26          9.63        1.4091   -3   5   2
                66.35          4.37        1.4075    1   5   2
                67.23          4.63        1.3913    2   2   3
                68.04          1.28        1.3767   -7   1   1
                68.16          1.21        1.3745   -2   4   3
                69.88          1.65        1.3449    0   4   3
                70.71          6.94        1.3311   -7   1   2
                70.96          1.14        1.3269    5   1   2
                70.91          4.33        1.3277    6   2   1
                71.04          1.19        1.3256    7   1   0
                71.56          3.41        1.3173   -5   3   3
                73.42          3.90        1.2885   -3   1   4
                73.50          2.22        1.2872   -1   1   4
                73.82          3.71        1.2825   -2   6   2
                73.86          6.31        1.2818    0   6   2
                74.89          1.83        1.2667   -4   0   4
                75.06          3.60        1.2643    0   0   4
                75.24          1.57        1.2617   -7   3   1
                75.16          1.04        1.2629   -4   6   1
                75.45          1.06        1.2587    4   4   2
                76.19          7.86        1.2483    3   5   2
                77.08          1.36        1.2361   -1   7   1
                78.68          2.24        1.2149    1   7   1
                78.81          1.24        1.2133   -7   1   3
                82.09          1.93        1.1729    8   0   0
                83.92          1.12        1.1519    6   2   2
                83.99          1.05        1.1511   -6   4   3
                84.24          3.51        1.1483   -6   0   4
                88.00          1.86        1.1088    2   2   4
                88.00          1.86        1.1088    2   2   4
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.