Ferrosilite
      Sueno S, Cameron M, Prewitt C T
      American Mineralogist 61 (1976) 38-53
      Orthoferrosilite: High-temperature crystal chemistry
      T = 600 deg C
      _database_code_amcsd 0000489

      CELL PARAMETERS:   18.5270   9.1450   5.2756   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    893.842
      Density (g/cm3):      3.921
      MAX. ABS. INTENSITY / VOLUME**2:      8.945003366    
      RIR:      0.743
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.61         58.39        6.5080    2   1   0         4
                19.16         66.85        4.6318    4   0   0         2
                20.01          1.26        4.4368    1   1   1         8
                21.69          9.76        4.0982    2   1   1         8
                25.78          6.17        3.4553    0   2   1         4
                26.24          1.10        3.3967    1   2   1         8
                27.41         72.46        3.2540    4   2   0         4
                27.42         12.92        3.2530    4   1   1         8
                27.55         67.97        3.2374    2   2   1         8
                29.63         78.26        3.0154    3   2   1         8
                30.56        100.00        2.9256    6   1   0         4
                30.88          2.74        2.8956    2   3   0         4
                31.07         21.91        2.8781    5   1   1         8
                32.32         52.54        2.7695    4   2   1         8
                34.32         86.22        2.6130    1   3   1         8
                34.34         14.63        2.6115    1   0   2         4
                35.07          7.03        2.5585    6   1   1         8
                35.36         58.65        2.5384    2   3   1         8
                35.38         29.31        2.5370    2   0   2         4
                35.52         38.88        2.5271    5   2   1         8
                35.76          7.70        2.5111    1   1   2         8
                36.76          1.11        2.4446    2   1   2         8
                37.04          9.19        2.4270    3   3   1         8
                37.06         43.06        2.4258    3   0   2         4
                38.39          6.07        2.3447    3   1   2         8
                38.89          5.47        2.3159    8   0   0         2
                39.29          4.13        2.2932    4   3   1         8
                39.31          1.26        2.2921    4   0   2         4
                39.34          4.73        2.2903    7   1   1         8
                39.75          2.29        2.2677    1   2   2         8
                40.58          2.52        2.2234    4   1   2         8
                41.63          1.27        2.1693    6   3   0         4
                42.03         40.34        2.1498    5   3   1         8
                42.05         43.07        2.1489    5   0   2         4
                42.17          7.34        2.1429    3   2   2         8
                43.05         14.45        2.1011    7   2   1         8
                43.25         14.53        2.0919    5   1   2         8
                43.41          3.72        2.0844    1   4   1         8
                43.82          4.39        2.0660    8   2   0         4
                43.83          2.87        2.0657    8   1   1         8
                44.18          2.95        2.0501    4   4   0         4
                44.27          8.39        2.0459    2   4   1         8
                45.19         36.82        2.0063    6   3   1         8
                45.68          2.84        1.9863    3   4   1         8
                47.25         12.18        1.9237    8   2   1         8
                47.59          2.88        1.9109    4   4   1         8
                47.93          1.52        1.8981    3   3   2         8
                48.72          5.56        1.8689    7   3   1         8
                48.74         19.55        1.8684    7   0   2         4
                49.63          3.22        1.8367    6   2   2         8
                49.77          1.66        1.8320    4   3   2         8
                49.81          1.66        1.8305    7   1   2         8
                49.96          6.62        1.8255    5   4   1         8
                50.89         22.13        1.7944    2   5   0         4
                51.69          3.48        1.7685    9   2   1         8
                52.57          4.18        1.7408    8   3   1         8
                52.94          7.58        1.7295    7   2   2         8
                53.25          1.05        1.7202    1   4   2         8
                53.61          3.15        1.7096    8   1   2         8
                53.98          3.75        1.6988    2   5   1         8
                53.99          4.10        1.6984    2   4   2         8
                54.02          3.28        1.6976    2   1   3         8
                55.19          1.51        1.6642    3   5   1         8
                55.21          1.15        1.6638    3   4   2         8
                56.03         24.72        1.6413    0   2   3         4
                56.27          5.89        1.6349    1   2   3         8
                56.57          1.38        1.6270    8   4   0         4
                56.71         20.38        1.6232    9   3   1         8
                56.72         11.99        1.6229    9   0   2         4
                57.69          4.34        1.5979    9   1   2         8
                58.67          8.38        1.5737    6   5   0         4
                58.98          4.22        1.5661    5   5   1         8
                59.91         12.03        1.5439   12   0   0         2
                60.54          3.39        1.5294    9   2   2         8
                60.77         20.71        1.5242    0   6   0         2
                61.04         13.03        1.5181    1   3   3         8
                61.11         22.67        1.5164   10   3   1         8
                61.22          1.49        1.5140   11   2   1         8
                61.49          2.17        1.5080    6   5   1         8
                61.71         20.04        1.5031    2   3   3         8
                61.94          2.60        1.4981    1   5   2         8
                62.84          1.21        1.4789    3   3   3         8
                63.72         10.38        1.4604    3   5   2         8
                64.35          2.44        1.4478    4   6   0         4
                64.39          2.34        1.4470    7   5   1         8
                65.77         20.74        1.4198   11   3   1         8
                65.79         10.58        1.4196   11   0   2         4
                66.31          1.87        1.4096   12   2   1         8
                66.35          2.87        1.4088    5   3   3         8
                66.67          6.10        1.4028   11   1   2         8
                67.10          1.77        1.3949    7   2   3         8
                67.16          5.19        1.3939    0   4   3         4
                67.21          3.28        1.3928    5   5   2         8
                68.71         16.19        1.3661    6   3   3         8
                70.30          2.31        1.3391    8   2   3         8
                70.69          7.75        1.3327   12   3   1         8
                71.46          2.35        1.3202    7   3   3         8
                71.54          1.76        1.3189    0   0   4         2
                71.56          5.56        1.3185   12   1   2         8
                71.63          1.40        1.3175   13   2   1         8
                71.75          1.25        1.3156    1   0   4         4
                72.12          3.43        1.3097   14   1   0         4
                72.29          1.55        1.3070    7   5   2         8
                72.32          7.16        1.3065    2   6   2         8
                72.60          2.66        1.3022    1   1   4         8
                73.22          1.53        1.2926    2   1   4         8
                73.36          9.97        1.2906    3   6   2         8
                73.41          1.88        1.2898    3   0   4         4
                74.53          3.48        1.2732    8   6   0         4
                74.85          7.63        1.2685    4   0   4         4
                75.22          1.14        1.2632   10   1   3         8
                75.39          2.42        1.2608    8   5   2         8
                75.73          2.84        1.2559    2   5   3         8
                75.88          1.03        1.2539   13   0   2         4
                76.65          4.86        1.2432    5   6   2         8
                78.85          6.57        1.2139    9   5   2         8
                81.34          1.45        1.1830   14   3   1         8
                81.50          3.48        1.1810    7   6   2         8
                83.48          2.16        1.1579   16   0   0         2
                84.55          3.56        1.1461    8   0   4         4
                86.55          2.61        1.1246   12   2   3         8
                86.86          2.80        1.1214   11   5   2         8
                87.13          1.08        1.1186   15   0   2         4
                87.88          5.05        1.1110    9   6   2         8
                88.00          1.43        1.1098    4   8   0         4
                88.06          1.73        1.1092    2   8   1         8
                89.05          4.12        1.0994    3   8   1         8
                89.20          1.40        1.0979   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.