Diopside
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern R060061
      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
                19.91          3.12        4.4677    0   2   0
                24.30          2.75        3.6677    1   1   1
                26.65         10.48        3.3493    0   2   1
                27.58         25.12        3.2374    2   2   0
                29.87        100.00        2.9938   -2   2   1
                30.27         27.05        2.9555    3   1   0
                30.90         36.34        2.8964   -3   1   1
                31.54          1.22        2.8392    1   3   0
                34.97         24.26        2.5679   -1   3   1
                35.45          2.18        2.5341   -2   0   2
                35.50         41.64        2.5305    0   0   2
                35.64         41.75        2.5211    2   2   1
                37.60          1.30        2.3936    1   3   1
                39.06         17.63        2.3073    3   1   1
                40.66          9.64        2.2200    1   1   2
                40.96          1.28        2.2042   -2   2   2
                41.01          9.54        2.2018    0   2   2
                41.88         10.08        2.1583    3   3   0
                42.35         18.52        2.1349   -3   3   1
                42.88          8.71        2.1099   -4   2   1
                43.55          1.07        2.0790    4   2   0
                44.34         19.26        2.0436    0   4   1
                44.97         11.96        2.0166   -4   0   2
                45.10          7.49        2.0111    2   0   2
                46.06          7.85        1.9713   -1   3   2
                48.89          2.21        1.8632    3   3   1
                49.58          6.75        1.8389    5   1   0
                49.73          3.10        1.8339    2   2   2
                50.24          3.64        1.8164    1   3   2
                52.10         13.73        1.7556    1   5   0
                53.22          1.91        1.7213   -5   1   2
                54.45          1.42        1.6854   -1   5   1
                54.82          4.84        1.6747    0   4   2
                55.35          6.51        1.6600   -3   1   3
                56.60         17.54        1.6262   -2   2   3
                56.57         14.41        1.6270   -5   3   1
                56.89          5.23        1.6187    4   4   0
                58.04          2.10        1.5892    5   3   0
                58.99          3.83        1.5659    6   0   0
                59.56          4.77        1.5522    3   5   0
                60.47          5.23        1.5309   -6   0   2
                60.65          6.70        1.5269    4   0   2
                60.60          2.50        1.5280   -6   2   1
                61.33          1.41        1.5115   -5   3   2
                61.59         13.58        1.5057   -1   3   3
                62.10          1.88        1.4946    2   4   2
                62.35          4.65        1.4892    0   6   0
                63.54          1.65        1.4642    4   4   1
                64.32          2.66        1.4482   -6   2   2
                64.49          1.48        1.4448    4   2   2
                65.48         18.88        1.4254    5   3   1
                65.31          2.41        1.4287    0   6   1
                66.25          9.63        1.4105   -3   5   2
                66.32          4.37        1.4093    1   5   2
                67.20          4.63        1.3929    2   2   3
                68.02          1.28        1.3781   -7   1   1
                68.16          1.21        1.3756   -2   4   3
                69.86          1.65        1.3462    0   4   3
                70.71          6.94        1.3320   -7   1   2
                70.91          1.14        1.3288    5   1   2
                70.86          4.33        1.3297    6   2   1
                71.00          1.19        1.3273    7   1   0
                71.58          3.41        1.3180   -5   3   3
                73.45          3.90        1.2890   -3   1   4
                73.51          2.22        1.2880   -1   1   4
                73.79          3.71        1.2839   -2   6   2
                73.82          6.31        1.2835    0   6   2
                74.93          1.83        1.2671   -4   0   4
                75.06          3.60        1.2652    0   0   4
                75.21          1.57        1.2631   -7   3   1
                75.11          1.04        1.2645   -4   6   1
                75.39          1.06        1.2605    4   4   2
                76.13          7.86        1.2501    3   5   2
                77.02          1.36        1.2378   -1   7   1
                78.61          2.24        1.2167    1   7   1
                78.84          1.24        1.2138   -7   1   3
                82.03          1.93        1.1744    8   0   0
                83.83          1.12        1.1536    6   2   2
                83.99          1.05        1.1519   -6   4   3
                84.28          3.51        1.1487   -6   0   4
                87.94          1.86        1.1100    2   2   4
                87.94          1.86        1.1100    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.