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 = 6.01 GPa, natural orthopyroxene
      _database_code_amcsd 0008024

      CELL PARAMETERS:   18.0000   8.6420   5.1150   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    795.669
      Density (g/cm3):      3.480
      MAX. ABS. INTENSITY / VOLUME**2:      5.421182987    
      RIR:      0.507
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.21          4.55        6.2335    2   1   0         4
                19.73          1.92        4.5000    4   0   0         2
                20.55          6.06        4.3210    0   2   0         2
                22.27          1.15        3.9913    4   1   0         4
                22.49         15.32        3.9542    2   1   1         8
                25.09          1.27        3.5491    3   1   1         8
                27.47         36.47        3.2467    1   2   1         8
                28.36         17.00        3.1467    4   1   1         8
                28.64         63.45        3.1168    4   2   0         4
                28.81         88.17        3.0990    2   2   1         8
                29.78          2.23        3.0000    6   0   0         2
                30.92         55.47        2.8921    3   2   1         8
                31.57        100.00        2.8341    6   1   0         4
                32.12         36.82        2.7867    5   1   1         8
                33.67         44.97        2.6616    4   2   1         8
                35.09          1.71        2.5575    0   0   2         2
                35.45          3.55        2.5321    1   0   2         4
                36.13         62.58        2.4859    1   3   1         8
                36.24         12.78        2.4790    6   1   1         8
                36.52         75.11        2.4601    2   0   2         4
                36.95         34.08        2.4329    5   2   1         8
                37.05          3.14        2.4261    4   3   0         4
                37.19         16.36        2.4177    2   3   1         8
                38.26          8.65        2.3527    3   0   2         4
                38.89          6.48        2.3155    3   3   1         8
                39.71          2.10        2.2701    3   1   2         8
                40.57          4.64        2.2235    4   0   2         4
                40.63         13.45        2.2203    7   1   1         8
                41.18          5.44        2.1921    4   3   1         8
                41.96          3.60        2.1534    4   1   2         8
                43.40         40.79        2.0849    5   0   2         4
                43.56          4.93        2.0778    6   3   0         4
                43.81          6.41        2.0663    3   2   2         8
                43.98         28.05        2.0589    5   3   1         8
                44.67          6.34        2.0285    7   2   1         8
                44.71         14.03        2.0268    5   1   2         8
                45.26          4.68        2.0034    8   1   1         8
                45.45          2.45        1.9957    8   2   0         4
                45.87         14.90        1.9782    1   4   1         8
                45.90          2.41        1.9771    4   2   2         8
                46.63          9.32        1.9477    4   4   0         4
                46.74         13.65        1.9433    2   4   1         8
                47.21         38.55        1.9251    6   3   1         8
                47.91          2.32        1.8987    6   1   2         8
                48.17          1.86        1.8890    3   4   1         8
                49.00          7.31        1.8592    8   2   1         8
                50.12          1.50        1.8202    4   4   1         8
                50.32          6.10        1.8133    7   0   2         4
                51.50          6.85        1.7746    6   2   2         8
                51.89          9.38        1.7622   10   1   0         4
                52.54          6.64        1.7418    5   4   1         8
                54.02         13.88        1.6974    2   5   0         4
                54.32          1.70        1.6890    5   3   2         8
                54.79          9.12        1.6754    8   3   1         8
                54.91          8.23        1.6721    7   2   2         8
                55.42         10.87        1.6579    8   1   2         8
                55.69          1.11        1.6504    0   4   2         4
                55.91          2.26        1.6446    2   1   3         8
                55.95          3.00        1.6435    1   4   2         8
                56.70          5.93        1.6234    2   4   2         8
                57.17          7.68        1.6113    3   1   3         8
                57.18          3.25        1.6110    2   5   1         8
                58.17         13.15        1.5860    0   2   3         4
                58.41         18.90        1.5799    1   2   3         8
                58.59         10.70        1.5755    9   0   2         4
                58.68          2.28        1.5733    8   2   2         8
                59.06         13.35        1.5642    9   3   1         8
                59.30          1.96        1.5584    8   4   0         4
                59.66          1.62        1.5499    9   1   2         8
                60.13          1.44        1.5387    4   5   1         8
                60.67          1.13        1.5265   10   3   0         4
                61.85          6.13        1.5000   12   0   0         2
                61.96         12.62        1.4976    6   5   0         4
                62.05          1.08        1.4958    4   2   3         8
                62.29          2.61        1.4905    5   5   1         8
                62.78          3.33        1.4801    9   2   2         8
                63.45          1.87        1.4661   11   2   1         8
                63.61         39.38        1.4627   10   3   1         8
                63.63         44.94        1.4624    1   3   3         8
                63.70          1.64        1.4610    6   1   3         8
                64.17          1.91        1.4514    5   2   3         8
                64.33          2.86        1.4481    2   3   3         8
                64.43          1.96        1.4460    6   4   2         8
                64.72         29.28        1.4403    0   6   0         2
                66.06          1.31        1.4142    2   5   2         8
                67.19          2.48        1.3933   10   2   2         8
                67.21         12.28        1.3929    3   5   2         8
                67.43          2.02        1.3889    7   4   2         8
                67.57          1.11        1.3864    0   6   1         4
                67.76          1.72        1.3829   10   4   0         4
                67.79          2.61        1.3823    1   6   1         8
                67.86          1.63        1.3812    7   5   1         8
                68.01         19.45        1.3784   11   0   2         4
                68.44         24.83        1.3708   11   3   1         8
                68.74          2.36        1.3656   12   2   1         8
                68.99          5.65        1.3612   11   1   2         8
                69.14          4.25        1.3587    5   3   3         8
                69.65          7.52        1.3499    7   2   3         8
                70.34          4.13        1.3384    0   4   3         4
                70.56          3.34        1.3347    1   4   3         8
                70.81          2.45        1.3306    5   5   2         8
                71.59          5.30        1.3181    6   3   3         8
                72.33          2.82        1.3063    3   4   3         8
                73.14          1.28        1.2939   12   0   2         4
                73.56         13.53        1.2876   12   3   1         8
                73.86          2.18        1.2831    9   1   3         8
                73.87          1.49        1.2829    4   4   3         8
                74.09         11.90        1.2796   12   1   2         8
                74.28          2.93        1.2768   13   2   1         8
                74.37          7.39        1.2755    1   0   4         4
                74.45          3.53        1.2744    7   3   3         8
                74.63          2.90        1.2717   14   1   0         4
                75.02          1.30        1.2660    2   0   4         4
                75.31          3.55        1.2619    1   1   4         8
                76.39          1.66        1.2467   10   5   0         4
                76.67         15.23        1.2430    2   6   2         8
                77.05          1.34        1.2378    3   1   4         8
                77.31          2.31        1.2341   14   1   1         8
                77.62          5.97        1.2301    4   0   4         4
                77.74          4.43        1.2284    3   6   2         8
                77.97          1.14        1.2253   10   1   3         8
                78.92          1.45        1.2131    8   6   0         4
                79.30          6.76        1.2081    8   5   2         8
                80.48          3.09        1.1934    5   1   4         8
                80.71          1.14        1.1906    4   7   0         4
                80.78          3.47        1.1897    3   5   3         8
                81.16          5.15        1.1850    5   6   2         8
                82.92          5.63        1.1643    9   5   2         8
                83.24          2.48        1.1607    5   2   4         8
                85.24          1.42        1.1385    5   7   1         8
                85.35          1.59        1.1373   10   3   3         8
                85.56          1.59        1.1351    7   1   4         8
                86.24          1.52        1.1278    7   6   2         8
                86.51          2.97        1.1250   16   0   0         2
                87.56          1.06        1.1143    6   7   1         8
                87.75          1.35        1.1123    9   4   3         8
                87.80          1.74        1.1117    8   0   4         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.