Phase-B-superfluorous
      Hazen R M, Yang H, Prewitt C T, Gasparik T
      American Mineralogist 82 (1997) 647-650
      Crystal chemistry of superfluorous phase B (Mg10Si3O14F4): Implications for the
      role of fluorine in the mantle
      _database_code_amcsd 0001903

      CELL PARAMETERS:    5.0500  13.9690   8.6400   90.000   90.000   90.000
      SPACE GROUP: Pnnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    609.495
      Density (g/cm3):      3.418
      MAX. ABS. INTENSITY / VOLUME**2:      5.056185530    
      RIR:      0.482
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.04         26.26        7.3481    0   1   1         4
                12.67         20.04        6.9845    0   2   0         2
                20.37         24.13        4.3599    1   0   1         4
                20.56          8.02        4.3200    0   0   2         2
                21.35          1.30        4.1619    1   1   1         8
                21.68          2.39        4.0990    0   3   1         4
                21.72         14.10        4.0924    1   2   0         4
                25.51          4.47        3.4922    0   4   0         2
                26.03         17.12        3.4232    1   3   0         4
                27.92          5.33        3.1957    1   1   2         8
                30.08         44.39        2.9710    1   2   2         8
                31.14          6.14        2.8723    1   4   0         4
                31.72          3.14        2.8207    0   1   3         4
                32.86         37.45        2.7257    1   4   1         8
                32.98         18.82        2.7158    0   4   2         4
                33.40         84.90        2.6830    1   3   2         8
                33.72         37.83        2.6583    0   5   1         4
                35.55         14.72        2.5250    2   0   0         2
                35.90         26.69        2.5018    1   0   3         4
                36.15          1.50        2.4847    2   1   0         4
                36.49          5.12        2.4626    1   1   3         8
                36.69         19.46        2.4494    0   3   3         4
                36.76         10.65        2.4446    1   5   0         4
                37.60         22.22        2.3919    1   4   2         8
                37.67          2.21        2.3879    2   1   1         8
                38.21          1.47        2.3552    1   2   3         8
                39.35         12.53        2.2897    2   2   1         8
                40.65         31.87        2.2196    2   3   0         4
                40.95         77.81        2.2038    1   3   3         8
                42.03         19.73        2.1498    2   3   1         8
                42.49          3.38        2.1276    1   5   2         8
                43.49          3.14        2.0809    2   2   2         8
                43.87          1.45        2.0636    0   2   4         4
                44.10          2.74        2.0537    1   6   1         8
                44.19          2.96        2.0495    0   6   2         4
                44.27         55.01        2.0462    2   4   0         4
                44.55        100.00        2.0338    1   4   3         8
                45.56         16.49        1.9911    2   4   1         8
                46.17          9.20        1.9662    1   1   4         8
                47.60          3.21        1.9102    1   2   4         8
                48.60         23.84        1.8733    2   5   0         4
                48.87         38.92        1.8637    1   5   3         8
                49.28          6.10        1.8492    2   4   2         8
                49.63          4.53        1.8370    0   4   4         4
                49.77          1.61        1.8321    2   2   3         8
                49.92          5.25        1.8268    1   3   4         8
                52.02          6.29        1.7581    2   3   3         8
                52.40          1.05        1.7461    0   8   0         2
                53.05          4.83        1.7263    1   4   4         8
                53.43          2.15        1.7149    0   1   5         4
                53.54          2.29        1.7116    2   6   0         4
                55.05          2.68        1.6680    2   4   3         8
                56.45          1.42        1.6302    2   1   4         8
                56.69          1.39        1.6239    1   1   5         8
                57.93          1.60        1.5919    1   2   5         8
                58.28          4.52        1.5831    3   3   0         4
                58.80          4.59        1.5703    2   5   3         8
                59.00         14.73        1.5656    2   7   0         4
                59.23         20.88        1.5601    1   7   3         8
                59.29          2.12        1.5587    3   1   2         8
                59.35          2.15        1.5571    3   3   1         8
                60.01          1.50        1.5416    1   8   2         8
                60.62          6.14        1.5277    0   9   1         4
                62.15          4.08        1.4935    3   4   1         8
                62.53          2.97        1.4855    2   4   4         8
                62.61          2.67        1.4836    1   9   0         4
                62.75          3.46        1.4807    1   4   5         8
                63.28         13.18        1.4696    0   5   5         4
                64.07         84.16        1.4533    3   0   3         4
                64.46          1.56        1.4455    3   1   3         8
                64.74         38.65        1.4400    0   0   6         2
                64.93         34.31        1.4362    2   8   0         4
                65.15         71.52        1.4319    1   8   3         8
                65.93          1.28        1.4167    2   8   1         8
                66.65          2.12        1.4032    1   9   2         8
                66.98          6.40        1.3972    2   2   5         8
                66.99          1.16        1.3969    0  10   0         2
                68.62         12.41        1.3677    3   5   2         8
                68.86         10.69        1.3635    2   3   5         8
                68.90          1.18        1.3628    2   8   2         8
                71.01          1.62        1.3273    1   3   6         8
                71.46          3.85        1.3202    2   4   5         8
                71.54          2.11        1.3189    1   9   3         8
                73.71          3.34        1.2854    1  10   2         8
                74.74          1.19        1.2701    2   5   5         8
                75.27          1.12        1.2625    4   0   0         2
                75.70          2.20        1.2564    0  11   1         4
                76.09          2.42        1.2509    2   0   6         4
                76.57          1.43        1.2443    4   1   1         8
                76.71          1.10        1.2424    4   2   0         4
                76.83          2.44        1.2407    1   5   6         8
                77.41          1.18        1.2328    3   6   3         8
                77.51          2.10        1.2316    1  11   0         4
                78.50          2.49        1.2185    4   3   0         4
                79.01          1.14        1.2118    4   0   2         4
                79.31          3.36        1.2080    2   3   6         8
                79.43          3.37        1.2066    4   3   1         8
                79.81          1.01        1.2017    2   9   3         8
                80.01          2.06        1.1992    3   5   4         8
                80.98          4.83        1.1873    4   4   0         4
                81.79          8.48        1.1776    2   4   6         8
                81.90          1.07        1.1762    4   4   1         8
                82.94          8.66        1.1641    0  12   0         2
                83.77          1.09        1.1547    0   9   5         4
                84.15          1.86        1.1505    4   5   0         4
                84.66          2.09        1.1448    4   4   2         8
                84.95          4.59        1.1417    2   5   6         8
                85.12          1.51        1.1398    3   4   5         8
                85.66          1.27        1.1340    1   4   7         8
                86.54          1.22        1.1247    1  12   1         8
                87.28          1.26        1.1170    3   8   3         8
                88.66          2.50        1.1032    3   9   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.