Ferrosilite
      Sueno S, Cameron M, Prewitt C T
      American Mineralogist 61 (1976) 38-53
      Orthoferrosilite: High-temperature crystal chemistry
      T = 800 deg C
      _database_code_amcsd 0000490

      CELL PARAMETERS:   18.5690   9.1600   5.2974   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    901.046
      Density (g/cm3):      3.890
      MAX. ABS. INTENSITY / VOLUME**2:      8.709284479    
      RIR:      0.729
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.58         60.43        6.5207    2   1   0         4
                19.12         66.98        4.6423    4   0   0         2
                19.94          2.04        4.4520    1   1   1         8
                21.61          7.97        4.1116    2   1   1         8
                25.71          4.62        3.4646    0   2   1         4
                27.34         14.65        3.2624    4   1   1         8
                27.35         74.38        3.2603    4   2   0         4
                27.48         74.83        3.2460    2   2   1         8
                29.55         81.21        3.0232    3   2   1         8
                30.49        100.00        2.9320    6   1   0         4
                30.83          3.70        2.9005    2   3   0         4
                30.99         21.15        2.8861    5   1   1         8
                32.24         48.38        2.7766    4   2   1         8
                34.20         12.66        2.6222    1   0   2         4
                34.24         83.96        2.6189    1   3   1         8
                34.98          6.23        2.5653    6   1   1         8
                35.24         27.23        2.5471    2   0   2         4
                35.28         54.04        2.5441    2   3   1         8
                35.43         38.31        2.5334    5   2   1         8
                35.61          7.47        2.5209    1   1   2         8
                36.62          1.35        2.4540    2   1   2         8
                36.91         44.81        2.4351    3   0   2         4
                36.95         12.38        2.4325    3   3   1         8
                38.24          5.40        2.3534    3   1   2         8
                38.80          5.55        2.3211    8   0   0         2
                39.16          3.42        2.3006    4   0   2         4
                39.20          4.55        2.2984    4   3   1         8
                39.23          4.88        2.2962    7   1   1         8
                39.60          2.32        2.2756    1   2   2         8
                40.43          2.72        2.2313    4   1   2         8
                41.55          1.14        2.1736    6   3   0         4
                41.89         40.39        2.1564    5   0   2         4
                41.93         40.27        2.1546    5   3   1         8
                42.02          6.76        2.1501    3   2   2         8
                42.94         13.82        2.1062    7   2   1         8
                43.09         13.68        2.0991    5   1   2         8
                43.32          3.37        2.0887    1   4   1         8
                43.71          2.76        2.0709    8   1   1         8
                43.72          4.22        2.0704    8   2   0         4
                44.10          2.68        2.0537    4   4   0         4
                44.18          9.00        2.0501    2   4   1         8
                45.09         30.82        2.0109    6   3   1         8
                45.58          3.32        1.9904    3   4   1         8
                47.13         10.78        1.9284    8   2   1         8
                47.48          2.77        1.9149    4   4   1         8
                47.77          1.74        1.9038    3   3   2         8
                48.57         18.18        1.8743    7   0   2         4
                48.61          6.52        1.8732    7   3   1         8
                49.47          3.10        1.8423    6   2   2         8
                49.61          1.76        1.8374    4   3   2         8
                49.65          1.66        1.8363    7   1   2         8
                49.85          6.06        1.8293    5   4   1         8
                50.80         21.27        1.7973    2   5   0         4
                51.56          3.93        1.7727    9   2   1         8
                52.41          1.50        1.7457    8   0   2         4
                52.44          4.86        1.7447    8   3   1         8
                52.77          7.16        1.7347    7   2   2         8
                53.10          1.04        1.7248    1   4   2         8
                53.43          2.92        1.7148    8   1   2         8
                53.78          3.58        1.7044    2   1   3         8
                53.83          4.36        1.7029    2   4   2         8
                53.86          3.15        1.7020    2   5   1         8
                55.05          1.24        1.6682    3   4   2         8
                55.08          1.56        1.6674    3   5   1         8
                55.80         26.06        1.6476    0   2   3         4
                56.04          3.79        1.6411    1   2   3         8
                56.45          1.48        1.6302    8   4   0         4
                56.54         11.37        1.6277    9   0   2         4
                56.57         20.64        1.6269    9   3   1         8
                57.51          4.52        1.6026    9   1   2         8
                58.55          7.25        1.5765    6   5   0         4
                58.85          4.23        1.5692    5   5   1         8
                59.76         11.01        1.5474   12   0   0         2
                60.35          3.42        1.5337    9   2   2         8
                60.66         18.92        1.5267    0   6   0         2
                60.80          8.32        1.5234    1   3   3         8
                60.96         19.40        1.5198   10   3   1         8
                61.06          1.45        1.5175   11   2   1         8
                61.35          2.06        1.5110    6   5   1         8
                61.48         22.46        1.5083    2   3   3         8
                61.77          2.27        1.5018    1   5   2         8
                63.55          9.02        1.4640    3   5   2         8
                64.22          2.21        1.4503    4   6   0         4
                64.24          2.45        1.4499    7   5   1         8
                65.58          8.71        1.4236   11   0   2         4
                65.60         19.65        1.4230   11   3   1         8
                66.10          1.85        1.4135    5   3   3         8
                66.14          1.57        1.4129   12   2   1         8
                66.47          5.99        1.4067   11   1   2         8
                66.85          1.11        1.3996    7   2   3         8
                66.91          5.15        1.3984    0   4   3         4
                67.03          2.72        1.3962    5   5   2         8
                68.46         16.58        1.3705    6   3   3         8
                70.03          2.53        1.3435    8   2   3         8
                70.50          7.31        1.3357   12   3   1         8
                71.19          1.56        1.3244    7   3   3         8
                71.20          1.38        1.3243    0   0   4         2
                71.34          5.16        1.3221   12   1   2         8
                71.43          1.36        1.3206   13   2   1         8
                71.93          3.37        1.3127   14   1   0         4
                72.09          1.28        1.3101    7   5   2         8
                72.13          6.72        1.3095    2   6   2         8
                72.26          2.58        1.3075    1   1   4         8
                72.88          1.41        1.2979    2   1   4         8
                73.07          2.50        1.2950    3   0   4         4
                73.17          9.47        1.2935    3   6   2         8
                74.37          3.29        1.2755    8   6   0         4
                74.51          6.29        1.2735    4   0   4         4
                74.80          1.05        1.2693    1   2   4         8
                74.94          1.23        1.2673   10   1   3         8
                75.18          2.31        1.2638    8   5   2         8
                75.47          2.99        1.2596    2   5   3         8
                75.64          1.11        1.2572   13   0   2         4
                76.34          1.18        1.2474    5   0   4         4
                76.44          4.20        1.2460    5   6   2         8
                78.63          5.83        1.2168    9   5   2         8
                81.11          1.17        1.1857   14   3   1         8
                81.18          1.21        1.1849    7   0   4         4
                81.28          2.87        1.1837    7   6   2         8
                83.25          1.86        1.1606   16   0   0         2
                84.16          2.83        1.1503    8   0   4         4
                86.23          2.45        1.1279   12   2   3         8
                86.60          2.63        1.1241   11   5   2         8
                87.63          4.33        1.1135    9   6   2         8
                87.81          1.31        1.1117    4   8   0         4
                87.87          1.72        1.1111    2   8   1         8
                88.86          3.58        1.1013    3   8   1         8
                88.94          1.08        1.1005   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.