Ferrosilite
      Smyth J R
      American Mineralogist 58 (1973) 636-648
      An orthopyroxene structure up to 850 C
      T = 500 C
      _database_code_amcsd 0000365

      CELL PARAMETERS:   18.4290   9.0280   5.2600   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    875.143
      Density (g/cm3):      3.692
      MAX. ABS. INTENSITY / VOLUME**2:      6.876272950    
      RIR:      0.606
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.73         14.20        6.4487    2   1   0         4
                19.26         39.71        4.6073    4   0   0         2
                20.12          5.74        4.4127    1   1   1         8
                21.80         27.91        4.0760    2   1   1         8
                24.36          3.35        3.6536    3   1   1         8
                26.01          1.90        3.4255    0   2   1         4
                26.47          9.13        3.3679    1   2   1         8
                27.57         16.86        3.2355    4   1   1         8
                27.67        100.00        3.2243    4   2   0         4
                27.78         89.63        3.2108    2   2   1         8
                29.86         71.52        2.9918    3   2   1         8
                30.75         89.78        2.9078    6   1   0         4
                31.24         37.94        2.8627    5   1   1         8
                32.57         44.55        2.7490    4   2   1         8
                34.45          9.55        2.6036    1   0   2         4
                34.69         78.80        2.5862    1   3   1         8
                35.27         16.04        2.5448    6   1   1         8
                35.50         41.15        2.5290    2   0   2         4
                35.73         46.21        2.5130    2   3   1         8
                35.79         34.37        2.5092    5   2   1         8
                35.90          1.99        2.5017    1   1   2         8
                37.19         36.82        2.4177    3   0   2         4
                37.41          2.79        2.4038    3   3   1         8
                38.55          2.32        2.3354    3   1   2         8
                39.10          2.13        2.3036    8   0   0         2
                39.56          9.30        2.2781    7   1   1         8
                39.66          4.98        2.2723    4   3   1         8
                39.94          1.52        2.2570    0   4   0         2
                39.98          4.27        2.2554    1   2   2         8
                40.75          3.25        2.2143    4   1   2         8
                42.03          3.12        2.1496    6   3   0         4
                42.21         41.58        2.1409    5   0   2         4
                42.41         11.86        2.1313    3   2   2         8
                42.41         37.66        2.1312    5   3   1         8
                43.35         11.27        2.0874    7   2   1         8
                43.44         11.73        2.0831    5   1   2         8
                43.93          7.96        2.0611    1   4   1         8
                44.07          4.06        2.0548    8   1   1         8
                44.14          6.81        2.0519    8   2   0         4
                44.71          8.17        2.0269    4   4   0         4
                44.79         11.03        2.0235    2   4   1         8
                45.59         35.70        1.9898    6   3   1         8
                46.20          1.50        1.9651    3   4   1         8
                46.97          1.63        1.9343    5   2   2         8
                47.57          9.41        1.9116    8   2   1         8
                48.11          1.26        1.8913    4   4   1         8
                48.95         17.40        1.8606    7   0   2         4
                49.13          3.18        1.8543    7   3   1         8
                49.92          4.32        1.8268    6   2   2         8
                50.14          2.08        1.8194    4   3   2         8
                50.49          5.07        1.8076    5   4   1         8
                50.55          3.77        1.8057   10   1   0         4
                51.58         20.10        1.7719    2   5   0         4
                52.03          1.62        1.7576    9   2   1         8
                52.45          1.22        1.7445    5   3   2         8
                53.00          5.67        1.7277    8   3   1         8
                53.25         10.86        1.7202    7   2   2         8
                53.67          1.23        1.7078   10   1   1         8
                53.75          3.03        1.7054    1   4   2         8
                53.87          4.53        1.7018    8   1   2         8
                54.21          6.30        1.6919    2   1   3         8
                54.49          4.90        1.6839    2   4   2         8
                54.66          4.43        1.6792    2   5   1         8
                55.44          2.58        1.6573    3   1   3         8
                55.88          1.78        1.6454    3   5   1         8
                56.29         23.79        1.6344    0   2   3         4
                56.53          6.98        1.6280    1   2   3         8
                57.00         11.53        1.6157    9   0   2         4
                57.16         20.33        1.6115    9   3   1         8
                57.99          2.94        1.5904    9   1   2         8
                59.25          1.55        1.5595    5   1   3         8
                59.37          7.43        1.5566    6   5   0         4
                59.67          4.18        1.5495    5   5   1         8
                60.26         10.36        1.5358   12   0   0         2
                60.90          4.52        1.5212    9   2   2         8
                61.41         16.47        1.5099    1   3   3         8
                61.59         23.63        1.5058   10   3   1         8
                61.64         21.53        1.5047    0   6   0         2
                62.09         17.64        1.4949    2   3   3         8
                62.20          2.25        1.4926    6   5   1         8
                62.61          1.35        1.4837    1   5   2         8
                64.40         10.26        1.4467    3   5   2         8
                64.96          2.44        1.4357    7   4   2         8
                65.10          2.32        1.4327    7   5   1         8
                65.18          1.01        1.4314   10   2   2         8
                65.23          1.38        1.4303    4   6   0         4
                66.13         11.67        1.4130   11   0   2         4
                66.28         22.07        1.4102   11   3   1         8
                66.75          1.41        1.4014   12   2   1         8
                66.76          2.80        1.4012    5   3   3         8
                67.04          5.44        1.3960   11   1   2         8
                67.45          1.93        1.3886    7   2   3         8
                67.67          4.51        1.3846    0   4   3         4
                67.91          2.73        1.3802    5   5   2         8
                69.14         13.26        1.3587    6   3   3         8
                70.67          1.35        1.3330    8   2   3         8
                71.09          1.26        1.3260    4   4   3         8
                71.23          9.63        1.3239   12   3   1         8
                71.78          1.40        1.3150    0   0   4         2
                71.90          2.48        1.3131    7   3   3         8
                71.96          7.01        1.3121   12   1   2         8
                71.99          2.18        1.3117    1   0   4         4
                72.11          1.29        1.3099   13   2   1         8
                72.58          2.78        1.3026   14   1   0         4
                72.87          3.02        1.2980    1   1   4         8
                73.02          1.10        1.2958    7   5   2         8
                73.19          8.86        1.2931    2   6   2         8
                73.67          1.80        1.2859    3   0   4         4
                74.24          9.02        1.2775    3   6   2         8
                75.13          7.12        1.2645    4   0   4         4
                75.14          1.14        1.2644   14   1   1         8
                75.27          1.19        1.2625    0   2   4         4
                75.46          2.52        1.2597    8   6   0         4
                75.59          1.92        1.2579   10   1   3         8
                76.14          3.08        1.2502    8   5   2         8
                76.42          2.95        1.2463    2   5   3         8
                77.45          1.02        1.2323    3   5   3         8
                77.55          3.97        1.2310    5   6   2         8
                79.63          6.52        1.2040    9   5   2         8
                80.40          1.21        1.1944    5   2   4         8
                82.43          2.84        1.1700    7   6   2         8
                84.03          2.16        1.1518   16   0   0         2
                84.91          3.27        1.1420    8   0   4         4
                87.07          1.67        1.1192   12   2   3         8
                87.38          1.20        1.1161   16   2   0         4
                87.70          2.44        1.1128   11   5   2         8
                88.26          1.24        1.1071    8   2   4         8
                88.87          4.92        1.1011    9   6   2         8
                89.39          1.12        1.0961    4   8   0         4
                89.44          1.97        1.0956    2   8   1         8
                89.84          1.14        1.0917   16   2   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.