Ferrosilite
      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 = 1.71 GPa
      _database_code_amcsd 0008006

      CELL PARAMETERS:   18.3700   9.0060   5.2084   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    861.679
      Density (g/cm3):      4.067
      MAX. ABS. INTENSITY / VOLUME**2:      9.444596975    
      RIR:      0.756
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.77         54.57        6.4306    2   1   0         4
                19.33         70.56        4.5925    4   0   0         2
                21.96         15.61        4.0474    2   1   1         8
                26.16         11.75        3.4064    0   2   1         4
                26.61          2.56        3.3493    1   2   1         8
                27.73          9.72        3.2174    4   1   1         8
                27.75         70.01        3.2153    4   2   0         4
                27.94         54.55        3.1938    2   2   1         8
                29.17          1.53        3.0617    6   0   0         2
                30.02         74.69        2.9768    3   2   1         8
                30.85        100.00        2.8987    6   1   0         4
                31.41         23.19        2.8481    5   1   1         8
                32.73         71.57        2.7359    4   2   1         8
                34.44          1.66        2.6042    0   0   2         2
                34.79         22.38        2.5784    1   0   2         4
                34.84         83.41        2.5752    1   3   1         8
                35.44          9.96        2.5329    6   1   1         8
                35.73          1.21        2.5128    4   3   0         4
                35.84         37.84        2.5054    2   0   2         4
                35.88         72.44        2.5025    2   3   1         8
                35.95         40.54        2.4979    5   2   1         8
                36.24          7.65        2.4788    1   1   2         8
                37.53         37.87        2.3965    3   0   2         4
                37.57          2.97        2.3939    3   3   1         8
                38.89          7.82        2.3159    3   1   2         8
                39.23          5.57        2.2963    8   0   0         2
                39.74          4.25        2.2681    7   1   1         8
                39.79          1.35        2.2653    4   0   2         4
                39.83          2.16        2.2632    4   3   1         8
                40.31          1.73        2.2376    1   2   2         8
                41.09          2.61        2.1969    4   1   2         8
                42.16          2.91        2.1435    6   3   0         4
                42.55         47.41        2.1246    5   0   2         4
                42.59         41.61        2.1228    5   3   1         8
                42.74          7.40        2.1155    3   2   2         8
                43.53         14.55        2.0789    7   2   1         8
                43.78         17.32        2.0678    5   1   2         8
                44.10          5.52        2.0537    1   4   1         8
                44.27          2.85        2.0462    8   1   1         8
                44.28          4.64        2.0456    8   2   0         4
                44.78          1.51        2.0237    4   2   2         8
                44.83          4.41        2.0216    4   4   0         4
                44.96          8.34        2.0163    2   4   1         8
                45.77         58.62        1.9822    6   3   1         8
                46.37          2.15        1.9581    3   4   1         8
                47.77         18.17        1.9040    8   2   1         8
                48.29          3.14        1.8846    4   4   1         8
                49.30         22.55        1.8485    7   0   2         4
                49.33          3.29        1.8473    7   3   1         8
                50.26          4.58        1.8153    6   2   2         8
                50.40          1.86        1.8108    7   1   2         8
                50.47          1.49        1.8083    4   3   2         8
                50.68          7.29        1.8012    5   4   1         8
                51.72         26.18        1.7675    2   5   0         4
                52.25          2.17        1.7509    9   2   1         8
                53.21          2.84        1.7214    8   3   1         8
                53.59          8.09        1.7100    7   2   2         8
                53.89          1.00        1.7012   10   1   1         8
                54.02          1.28        1.6975    1   1   3         8
                54.07          1.04        1.6959    1   4   2         8
                54.22          3.92        1.6917    8   1   2         8
                54.77          1.95        1.6761    2   1   3         8
                54.82          4.25        1.6747    2   4   2         8
                54.85          4.66        1.6738    2   5   1         8
                55.99          3.28        1.6423    3   1   3         8
                56.69          1.16        1.6236    7   4   1         8
                56.84         18.33        1.6199    0   2   3         4
                56.95          1.00        1.6169   10   2   1         8
                57.08         16.01        1.6136    1   2   3         8
                57.27          1.02        1.6087    8   2   2         8
                57.31          1.10        1.6076    8   4   0         4
                57.36         13.10        1.6065    9   0   2         4
                57.39         20.75        1.6057    9   3   1         8
                58.35          3.89        1.5815    9   1   2         8
                59.55         13.35        1.5525    6   5   0         4
                59.81          1.60        1.5464    5   1   3         8
                59.88          3.41        1.5445    5   5   1         8
                60.48         15.27        1.5308   12   0   0         2
                61.26          3.02        1.5131    9   2   2         8
                61.81         26.64        1.5010    0   6   0         2
                61.83         36.67        1.5005   10   3   1         8
                61.88          1.94        1.4995   11   2   1         8
                61.95         31.87        1.4979    1   3   3         8
                62.42          2.00        1.4878    6   5   1         8
                62.63         11.15        1.4832    2   3   3         8
                62.68          2.37        1.4822    5   2   3         8
                62.95          4.36        1.4766    1   5   2         8
                63.76          4.27        1.4596    3   3   3         8
                64.74         14.88        1.4399    3   5   2         8
                65.31          1.28        1.4287    7   4   2         8
                65.34          1.59        1.4281    7   5   1         8
                65.41          3.08        1.4267    4   6   0         4
                66.51         17.43        1.4058   11   0   2         4
                66.54         24.30        1.4053   11   3   1         8
                67.02          3.27        1.3963   12   2   1         8
                67.31          8.05        1.3910    5   3   3         8
                67.43          5.55        1.3890   11   1   2         8
                68.01          5.26        1.3784    7   2   3         8
                68.21          4.75        1.3749    0   4   3         4
                68.27          5.57        1.3739    5   5   2         8
                68.43          1.94        1.3710    1   4   3         8
                69.70         11.65        1.3491    6   3   3         8
                71.24          1.51        1.3237    8   2   3         8
                71.51          9.84        1.3193   12   3   1         8
                72.20          1.31        1.3084    9   1   3         8
                72.37          7.78        1.3058   12   1   2         8
                72.40          1.49        1.3052   13   2   1         8
                72.47          5.62        1.3042    7   3   3         8
                72.61          1.75        1.3021    0   0   4         2
                72.82          4.65        1.2988    1   0   4         4
                72.84          4.05        1.2984   14   1   0         4
                72.92          1.42        1.2972    1   6   2         8
                73.40          2.64        1.2900    7   5   2         8
                73.56          9.91        1.2876    2   6   2         8
                73.69          2.23        1.2855    1   1   4         8
                74.32          1.75        1.2762    2   1   4         8
                74.61         10.62        1.2721    3   6   2         8
                75.45          1.28        1.2599   14   1   1         8
                75.70          4.03        1.2564    8   6   0         4
                75.96         11.44        1.2527    4   0   4         4
                76.09          1.12        1.2509    0   2   4         4
                76.53          3.37        1.2448    8   5   2         8
                76.99          1.58        1.2386    2   5   3         8
                77.93          6.77        1.2259    5   6   2         8
                78.02          2.22        1.2247    3   5   3         8
                78.68          1.60        1.2161    5   1   4         8
                80.03          9.37        1.1989    9   5   2         8
                80.94          1.44        1.1878    6   1   4         8
                81.24          2.27        1.1841    5   2   4         8
                82.30          2.52        1.1715   14   3   1         8
                82.84          5.38        1.1652    7   6   2         8
                83.59          1.10        1.1568    7   1   4         8
                83.97          1.20        1.1525   15   2   1         8
                84.36          3.58        1.1481   16   0   0         2
                85.78          5.64        1.1327    8   0   4         4
                87.72          2.48        1.1126   12   2   3         8
                87.73          1.26        1.1125   16   2   0         4
                88.15          2.03        1.1082   15   0   2         4
                88.16          3.25        1.1082   11   5   2         8
                89.15          1.12        1.0985    8   2   4         8
                89.32          6.96        1.0968    9   6   2         8
                89.67          1.41        1.0934    4   8   0         4
                89.76          1.48        1.0925    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.