Ferrosilite
      Smyth J R
      American Mineralogist 58 (1973) 636-648
      An orthopyroxene structure up to 850 C
      T = 700 C
      _database_code_amcsd 0000366

      CELL PARAMETERS:   18.4830   9.0530   5.2800   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    883.484
      Density (g/cm3):      3.658
      MAX. ABS. INTENSITY / VOLUME**2:      6.475379470    
      RIR:      0.576
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.69         21.67        6.4671    2   1   0         4
                19.21         38.12        4.6207    4   0   0         2
                20.05          5.04        4.4281    1   1   1         8
                21.73         19.44        4.0900    2   1   1         8
                24.28          2.04        3.6658    3   1   1         8
                25.93          1.88        3.4365    0   2   1         4
                26.38          7.38        3.3786    1   2   1         8
                27.48         18.32        3.2460    4   1   1         8
                27.59         99.94        3.2335    4   2   0         4
                27.70        100.00        3.2210    2   2   1         8
                29.77         76.67        3.0012    3   2   1         8
                30.66         97.82        2.9163    6   1   0         4
                31.14         35.55        2.8718    5   1   1         8
                31.18          1.85        2.8686    2   3   0         4
                32.47         45.97        2.7575    4   2   1         8
                34.31          8.54        2.6135    1   0   2         4
                34.58         78.50        2.5940    1   3   1         8
                35.15         11.96        2.5528    6   1   1         8
                35.36         39.83        2.5385    2   0   2         4
                35.62         44.81        2.5206    2   3   1         8
                35.67         36.32        2.5169    5   2   1         8
                35.76          2.92        2.5109    1   1   2         8
                37.05         38.70        2.4266    3   0   2         4
                37.30          4.34        2.4110    3   3   1         8
                38.41          2.65        2.3439    3   1   2         8
                38.98          2.35        2.3104    8   0   0         2
                39.31          1.67        2.2923    4   0   2         4
                39.43          8.03        2.2851    7   1   1         8
                39.54          5.43        2.2791    4   3   1         8
                39.83          3.37        2.2633    1   2   2         8
                40.60          3.50        2.2221    4   1   2         8
                41.91          2.68        2.1557    6   3   0         4
                42.06         40.42        2.1484    5   0   2         4
                42.26          9.80        2.1387    3   2   2         8
                42.28         36.71        2.1375    5   3   1         8
                43.21         11.36        2.0938    7   2   1         8
                43.28         11.82        2.0903    5   1   2         8
                43.79          6.93        2.0671    1   4   1         8
                43.93          3.91        2.0610    8   1   1         8
                44.00          5.48        2.0578    8   2   0         4
                44.58          6.28        2.0325    4   4   0         4
                44.65         12.05        2.0294    2   4   1         8
                45.45         32.57        1.9958    6   3   1         8
                46.05          1.97        1.9709    3   4   1         8
                46.81          1.27        1.9409    5   2   2         8
                47.42          9.12        1.9173    8   2   1         8
                47.96          1.65        1.8968    4   4   1         8
                48.12          1.39        1.8910    3   3   2         8
                48.78         17.04        1.8669    7   0   2         4
                48.98          3.83        1.8598    7   3   1         8
                49.75          4.09        1.8329    6   2   2         8
                49.96          2.09        1.8253    4   3   2         8
                50.33          5.24        1.8129    5   4   1         8
                50.39          3.67        1.8109   10   1   0         4
                51.43         19.60        1.7768    2   5   0         4
                51.86          2.21        1.7629    9   2   1         8
                52.83          6.25        1.7328    8   3   1         8
                53.06          9.21        1.7259    7   2   2         8
                53.56          2.34        1.7109    1   4   2         8
                53.68          3.99        1.7074    8   1   2         8
                54.00          5.67        1.6982    2   1   3         8
                54.30          5.36        1.6893    2   4   2         8
                54.49          3.59        1.6840    2   5   1         8
                55.22          1.54        1.6635    3   1   3         8
                55.70          1.70        1.6501    3   5   1         8
                56.06         25.75        1.6404    0   2   3         4
                56.30          5.49        1.6339    1   2   3         8
                56.80         10.97        1.6210    9   0   2         4
                56.96          1.11        1.6168    8   4   0         4
                56.97         20.24        1.6163    9   3   1         8
                57.38          1.15        1.6059    4   5   1         8
                57.78          3.25        1.5956    9   1   2         8
                59.02          1.02        1.5652    5   1   3         8
                59.19          6.73        1.5609    6   5   0         4
                59.48          4.12        1.5540    5   5   1         8
                60.07         10.12        1.5402   12   0   0         2
                60.68          4.16        1.5261    9   2   2         8
                61.17         11.92        1.5152    1   3   3         8
                61.39         20.12        1.5103   10   3   1         8
                61.45         19.95        1.5088    0   6   0         2
                61.85         18.99        1.5002    2   3   3         8
                62.00          1.97        1.4969    6   5   1         8
                62.39          1.32        1.4883    1   5   2         8
                64.18          9.32        1.4512    3   5   2         8
                64.73          1.83        1.4402    7   4   2         8
                64.89          2.17        1.4369    7   5   1         8
                64.94          1.00        1.4359   10   2   2         8
                65.03          1.23        1.4343    4   6   0         4
                65.89          9.50        1.4175   11   0   2         4
                66.06         21.35        1.4144   11   3   1         8
                66.50          2.06        1.4060    5   3   3         8
                66.53          1.27        1.4055   12   2   1         8
                66.80          5.75        1.4005   11   1   2         8
                67.18          1.39        1.3934    7   2   3         8
                67.40          4.79        1.3894    0   4   3         4
                67.67          2.32        1.3845    5   5   2         8
                68.87         13.60        1.3633    6   3   3         8
                70.39          1.58        1.3375    8   2   3         8
                70.82          1.16        1.3305    4   4   3         8
                70.99          8.70        1.3278   12   3   1         8
                71.47          1.12        1.3200    0   0   4         2
                71.62          1.98        1.3175    7   3   3         8
                71.68          1.55        1.3166    1   0   4         4
                71.70          6.39        1.3162   12   1   2         8
                71.86          1.30        1.3138   13   2   1         8
                72.33          2.98        1.3064   14   1   0         4
                72.55          2.82        1.3029    1   1   4         8
                72.94          8.33        1.2970    2   6   2         8
                73.35          2.20        1.2907    3   0   4         4
                73.98          8.47        1.2813    3   6   2         8
                74.80          6.20        1.2692    4   0   4         4
                75.15          1.02        1.2642    1   2   4         8
                75.21          2.34        1.2633    8   6   0         4
                75.30          1.76        1.2621   10   1   3         8
                75.87          2.92        1.2541    8   5   2         8
                76.13          2.85        1.2504    2   5   3         8
                77.27          3.55        1.2347    5   6   2         8
                79.34          5.84        1.2077    9   5   2         8
                81.53          1.06        1.1807    7   0   4         4
                82.13          2.32        1.1735    7   6   2         8
                83.73          1.69        1.1552   16   0   0         2
                84.54          2.66        1.1461    8   0   4         4
                86.72          1.74        1.1228   12   2   3         8
                87.37          2.42        1.1161   11   5   2         8
                88.54          4.16        1.1044    9   6   2         8
                89.08          1.01        1.0991    4   8   0         4
                89.13          1.85        1.0987    2   8   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.