Diopside
      Thompson R M, Downs R T
      American Mineralogist 93 (2008) 177-186
      The crystal structure of diopside at pressure to 10 GPa
      Locality: DeKalb, New York
      Sample: P = 4.22 GPa
      _database_code_amcsd 0004498

      CELL PARAMETERS:    9.6341   8.7948   5.1926   90.000  105.421   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    424.129
      Density (g/cm3):      3.391
      MAX. ABS. INTENSITY / VOLUME**2:      11.77514915    
      RIR:      1.131
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.19          3.27        4.3974    0   2   0         2
                24.52          3.25        3.6304    1   1   1         4
                26.99          9.11        3.3037    0   2   1         4
                27.94         22.94        3.1929    2   2   0         4
                30.33        100.00        2.9473   -2   2   1         4
                30.62         26.55        2.9201    3   1   0         4
                31.35         37.07        2.8529   -3   1   1         4
                32.01          1.33        2.7956    1   3   0         4
                35.50         25.31        2.5284   -1   3   1         4
                35.88         42.02        2.5028    0   0   2         2
                35.95          2.54        2.4980   -2   0   2         2
                36.02         45.31        2.4932    2   2   1         4
                38.11          1.81        2.3616    1   3   1         4
                39.43         17.97        2.2851    3   1   1         4
                41.07          9.59        2.1977    1   1   2         4
                41.52          9.04        2.1752    0   2   2         4
                41.58          1.32        2.1720   -2   2   2         4
                42.47         10.83        2.1286    3   3   0         4
                43.03         18.19        2.1022   -3   3   1         4
                43.53          8.83        2.0790   -4   2   1         4
                44.11          1.04        2.0532    4   2   0         4
                45.03         19.40        2.0131    0   4   1         4
                45.51          7.78        1.9929    2   0   2         2
                45.69         12.36        1.9857   -4   0   2         2
                46.74          8.94        1.9436   -1   3   2         4
                49.50          2.00        1.8414    3   3   1         4
                50.20          6.37        1.8174    5   1   0         4
                50.26          2.74        1.8152    2   2   2         4
                50.88          3.23        1.7947    1   3   2         4
                52.98         12.56        1.7282    1   5   0         4
                54.10          2.25        1.6951   -5   1   2         4
                55.38          1.77        1.6591   -1   5   1         4
                55.64          5.05        1.6518    0   4   2         4
                56.22          6.35        1.6363   -3   1   3         4
                57.45         16.90        1.6041   -2   2   3         4
                57.47         13.26        1.6035   -5   3   1         4
                57.75          5.33        1.5965    4   4   0         4
                58.86          2.52        1.5690    5   3   0         4
                59.74          3.62        1.5479    6   0   0         2
                60.54          5.27        1.5293    3   5   0         4
                61.25          6.71        1.5133    4   0   2         2
                61.49          5.37        1.5080   -6   0   2         2
                61.54          2.71        1.5069   -6   2   1         4
                62.39          1.28        1.4883   -5   3   2         4
                62.50         13.18        1.4861   -1   3   3         4
                62.94          1.81        1.4766    2   4   2         4
                63.46          4.26        1.4658    0   6   0         2
                64.42          1.47        1.4464    4   4   1         4
                65.20          1.42        1.4310    4   2   2         4
                65.43          2.17        1.4265   -6   2   2         4
                66.31         17.82        1.4096    5   3   1         4
                66.46          2.79        1.4067    0   6   1         4
                66.94          1.04        1.3978    2   6   0         4
                67.35          4.13        1.3903    1   5   2         4
                67.44          9.37        1.3887   -3   5   2         4
                67.98          4.69        1.3789    2   2   3         4
                69.08          1.26        1.3598   -7   1   1         4
                69.29          1.25        1.3561   -2   4   3         4
                70.90          1.56        1.3292    0   4   3         4
                71.68          1.03        1.3167    5   1   2         4
                71.74          4.22        1.3157    6   2   1         4
                71.94          6.47        1.3125   -7   1   2         4
                71.98          1.10        1.3119    7   1   0         4
                72.89          3.19        1.2977   -5   3   3         4
                74.56          2.31        1.2728   -1   1   4         4
                74.65          3.49        1.2715   -3   1   4         4
                75.11          5.21        1.2648    0   6   2         4
                75.15          3.30        1.2642   -2   6   2         4
                76.05          3.24        1.2514    0   0   4         2
                76.23          1.60        1.2490   -4   0   4         2
                76.40          1.17        1.2466    4   4   2         4
                76.46          1.45        1.2458   -7   3   1         4
                77.26          7.14        1.2348    3   5   2         4
                78.50          1.35        1.2185   -1   7   1         4
                80.08          2.24        1.1983    1   7   1         4
                80.33          1.17        1.1952   -7   1   3         4
                83.22          1.82        1.1609    8   0   0         2
                85.65          1.11        1.1341   -6   4   3         4
                85.92          3.09        1.1313   -6   0   4         2
                89.10          1.68        1.0989    2   2   4         4
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.