Enstatite
      Hugh-Jones D A, Chopelas A, Angel R J
      Physics and Chemistry of Minerals 24 (1997) 301-310
      Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
      Sample: P = 2.50 GPa, synthetic En60 orthopyroxene
      _database_code_amcsd 0008011

      CELL PARAMETERS:   18.1970   8.8200   5.1710   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    829.933
      Density (g/cm3):      3.627
      MAX. ABS. INTENSITY / VOLUME**2:      7.050755412    
      RIR:      0.633
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.98         18.67        6.3329    2   1   0         4
                19.51         15.24        4.5493    4   0   0         2
                20.14          5.89        4.4100    0   2   0         2
                22.19          7.82        4.0054    2   1   1         8
                26.56          3.94        3.3555    0   2   1         4
                27.02         15.31        3.2998    1   2   1         8
                28.01         14.46        3.1851    4   1   1         8
                28.18         55.50        3.1664    4   2   0         4
                28.35         76.39        3.1482    2   2   1         8
                29.45          1.13        3.0328    6   0   0         2
                30.44         63.47        2.9361    3   2   1         8
                31.19        100.00        2.8680    6   1   0         4
                31.73         26.63        2.8200    5   1   1         8
                33.18         52.17        2.7004    4   2   1         8
                34.70          1.11        2.5855    0   0   2         2
                35.06          7.66        2.5598    1   0   2         4
                35.47         67.10        2.5310    1   3   1         8
                35.80          7.22        2.5081    6   1   1         8
                36.12         55.02        2.4870    2   0   2         4
                36.38          1.64        2.4692    4   3   0         4
                36.42         35.50        2.4669    5   2   1         8
                36.52         32.58        2.4606    2   3   1         8
                36.55          1.61        2.4583    1   1   2         8
                37.83         19.33        2.3784    3   0   2         4
                39.23          4.07        2.2964    3   1   2         8
                40.11          1.33        2.2478    4   0   2         4
                40.15          6.10        2.2460    7   1   1         8
                40.48          3.63        2.2282    4   3   1         8
                41.46          2.27        2.1782    4   1   2         8
                42.84          2.87        2.1110    6   3   0         4
                42.91         40.67        2.1078    5   0   2         4
                43.22          5.62        2.0934    3   2   2         8
                43.26         31.60        2.0916    5   3   1         8
                44.07         10.05        2.0550    7   2   1         8
                44.18         16.62        2.0500    5   1   2         8
                44.72          3.99        2.0264    8   1   1         8
                44.83          2.68        2.0216    8   2   0         4
                44.97          7.97        2.0158    1   4   1         8
                45.28          1.06        2.0027    4   2   2         8
                45.73          5.61        1.9842    4   4   0         4
                45.84         11.09        1.9797    2   4   1         8
                46.46         42.33        1.9544    6   3   1         8
                47.25          1.91        1.9236    3   4   1         8
                47.34          1.03        1.9204    6   1   2         8
                48.34         11.43        1.8828    8   2   1         8
                49.18          2.78        1.8525    4   4   1         8
                49.74         12.66        1.8332    7   0   2         4
                50.81          5.38        1.7968    6   2   2         8
                51.15          1.36        1.7857    4   3   2         8
                51.26          3.58        1.7822   10   1   0         4
                51.59          7.30        1.7717    5   4   1         8
                52.87         17.54        1.7318    2   5   0         4
                53.49          1.35        1.7130    5   3   2         8
                53.96          5.15        1.6991    8   3   1         8
                54.18          7.49        1.6928    7   2   2         8
                54.75          6.72        1.6767    8   1   2         8
                54.96          1.60        1.6706    1   4   2         8
                55.23          2.41        1.6632    2   1   3         8
                55.71          4.71        1.6499    2   4   2         8
                56.00          3.17        1.6421    2   5   1         8
                56.47          4.14        1.6295    3   1   3         8
                56.95          1.43        1.6170    3   4   2         8
                57.40         17.59        1.6054    0   2   3         4
                57.64         15.37        1.5992    1   2   3         8
                57.64          1.15        1.5991    7   4   1         8
                57.90         10.44        1.5927    9   0   2         4
                58.18         16.28        1.5857    9   3   1         8
                58.28          1.98        1.5832    8   4   0         4
                58.93          3.32        1.5674    9   1   2         8
                58.93          1.05        1.5673    4   5   1         8
                60.74         10.85        1.5248    6   5   0         4
                61.06          2.46        1.5175    5   5   1         8
                61.11         10.64        1.5164   12   0   0         2
                61.95          2.77        1.4980    9   2   2         8
                62.61          1.12        1.4838   11   2   1         8
                62.67         31.75        1.4824   10   3   1         8
                62.69         34.19        1.4820    1   3   3         8
                62.91          1.51        1.4774    6   1   3         8
                63.26         26.37        1.4700    0   6   0         2
                63.32          1.94        1.4688    5   2   3         8
                63.35          1.43        1.4681    6   4   2         8
                63.38          7.14        1.4675    2   3   3         8
                64.11          1.38        1.4525    1   5   2         8
                64.53          1.17        1.4442    3   3   3         8
                65.93         13.10        1.4169    3   5   2         8
                66.30          1.04        1.4097    1   6   1         8
                66.31          1.42        1.4096    7   4   2         8
                66.57          1.26        1.4048    7   5   1         8
                66.64          1.09        1.4035   10   4   0         4
                67.18         16.44        1.3935   11   0   2         4
                67.44         25.81        1.3887   11   3   1         8
                67.82          2.04        1.3819   12   2   1         8
                68.12          4.89        1.3765    5   3   3         8
                68.13          6.09        1.3764   11   1   2         8
                68.72          5.05        1.3659    7   2   3         8
                69.18          5.00        1.3580    0   4   3         4
                69.40          2.50        1.3542    1   4   3         8
                69.48          3.07        1.3528    5   5   2         8
                70.54          8.72        1.3351    6   3   3         8
                71.15          1.43        1.3252    3   4   3         8
                72.47         12.06        1.3041   12   3   1         8
                72.91          1.18        1.2974    9   1   3         8
                73.14          9.62        1.2939   12   1   2         8
                73.22          1.23        1.2928    0   0   4         2
                73.27          1.57        1.2919   13   2   1         8
                73.35          3.55        1.2907    7   3   3         8
                73.43          5.68        1.2895    1   0   4         4
                73.67          3.55        1.2859   14   1   0         4
                74.34          3.05        1.2759    1   1   4         8
                74.67          1.12        1.2711    7   5   2         8
                75.06         12.01        1.2655    2   6   2         8
                76.12          7.38        1.2504    3   6   2         8
                76.31          1.20        1.2479   14   1   1         8
                76.63          7.46        1.2435    4   0   4         4
                77.28          1.81        1.2346    8   6   0         4
                77.85          4.45        1.2270    8   5   2         8
                78.25          1.37        1.2217    2   5   3         8
                79.30          2.45        1.2081    3   5   3         8
                79.41          2.26        1.2067    5   1   4         8
                79.49          5.17        1.2057    5   6   2         8
                81.41          7.67        1.1821    9   5   2         8
                81.71          1.41        1.1786    6   1   4         8
                82.07          2.04        1.1742    5   2   4         8
                83.27          1.00        1.1603    5   7   1         8
                84.40          1.45        1.1477    7   1   4         8
                84.48          3.29        1.1468    7   6   2         8
                85.35          2.87        1.1373   16   0   0         2
                86.62          3.12        1.1239    8   0   4         4
                88.74          1.48        1.1024   12   2   3         8
                89.66          2.49        1.0935   11   5   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.