Cryolite
      Naray-Szabo S, Sasvari K
      Zeitschrift fur Kristallographie 99 (1938) 27-31
      Die Struktur des Kryoliths Na3 Al F6
      _cod_database_code 1010932
      _database_code_amcsd 0017654

      CELL PARAMETERS:    5.4600   5.6100   7.8000   90.000   90.180   90.000
      SPACE GROUP: P2_1/n    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    238.918
      Density (g/cm3):      2.918
      MAX. ABS. INTENSITY / VOLUME**2:      4.175549611    
      RIR:      0.466
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.49         55.17        4.5544    0   1   1         4
                19.82          9.08        4.4796   -1   0   1         2
                19.88         18.78        4.4664    1   0   1         2
                22.73         46.26        3.9127    1   1   0         4
                22.80         26.60        3.9000    0   0   2         2
                25.44         15.43        3.5005   -1   1   1         4
                25.49         11.25        3.4942    1   1   1         4
                27.86          3.44        3.2022    0   1   2         4
                31.90         37.30        2.8050    0   2   0         2
                32.37         60.62        2.7653   -1   1   2         4
                32.45         52.45        2.7591    1   1   2         4
                32.81         54.22        2.7300    2   0   0         2
                33.96          1.07        2.6395    0   2   1         4
                36.00         16.51        2.4950    1   2   0         4
                36.61         49.63        2.4548    2   1   0         4
                37.84          2.58        2.3774   -1   2   1         4
                37.88         13.46        2.3754    1   2   1         4
                38.15          1.07        2.3590    0   1   3         4
                38.30         24.22        2.3503   -1   0   3         2
                38.39         17.22        2.3446    1   0   3         2
                38.41          6.94        2.3434   -2   1   1         4
                38.48         13.24        2.3396    2   1   1         4
                39.58         27.36        2.2772    0   2   2         4
                40.26         21.73        2.2398   -2   0   2         2
                40.39         12.70        2.2332    2   0   2         2
                41.66          9.93        2.1677   -1   1   3         4
                41.75         37.55        2.1632    1   1   3         4
                43.01         30.53        2.1031   -1   2   2         4
                43.07          8.48        2.1003    1   2   2         4
                43.51          7.21        2.0801   -2   1   2         4
                43.62          6.30        2.0748    2   1   2         4
                46.41        100.00        1.9564    2   2   0         4
                46.57         68.06        1.9500    0   0   4         2
                47.69          7.81        1.9068    0   2   3         4
                47.91          3.87        1.8986   -2   2   1         4
                49.49          1.87        1.8419    0   1   4         4
                50.67          1.28        1.8015   -1   2   3         4
                50.75          3.98        1.7989    1   2   3         4
                51.10          6.37        1.7874   -2   1   3         4
                51.25          1.53        1.7824    2   1   3         4
                51.53          1.94        1.7736   -3   0   1         2
                51.60          2.84        1.7712    3   0   1         2
                51.67         15.60        1.7691    1   3   0         4
                52.27          7.99        1.7503   -2   2   2         4
                52.48          7.47        1.7437    1   1   4         4
                52.89          5.57        1.7312    3   1   0         4
                53.07         36.62        1.7257   -1   3   1         4
                53.09          9.43        1.7249    1   3   1         4
                54.32         16.46        1.6890    3   1   1         4
                54.41          2.82        1.6862    0   3   2         4
                57.15         18.97        1.6117   -1   3   2         4
                57.20         15.27        1.6105    1   3   2         4
                57.57         22.82        1.6011    0   2   4         4
                58.04          3.50        1.5891   -2   0   4         2
                58.23         21.83        1.5844    2   0   4         2
                58.24         36.40        1.5840   -3   1   2         4
                58.39         17.78        1.5805    3   1   2         4
                60.28          2.92        1.5353    1   2   4         4
                60.56          1.77        1.5290   -2   1   4         4
                60.65          3.75        1.5268    3   2   0         4
                61.04          1.54        1.5181    0   3   3         4
                61.22          2.62        1.5140   -2   3   1         4
                61.27          2.34        1.5129    2   3   1         4
                61.72          7.12        1.5030    0   1   5         4
                61.80          1.53        1.5012   -1   0   5         2
                61.90          4.98        1.4991   -3   2   1         4
                61.91          2.80        1.4987    1   0   5         2
                62.37          1.47        1.4888    3   0   3         2
                63.58          1.39        1.4633   -1   3   3         4
                63.65          8.36        1.4619    1   3   3         4
                64.34          1.00        1.4479    1   1   5         4
                64.79          2.27        1.4390    3   1   3         4
                64.97          1.99        1.4355   -2   3   2         4
                65.05          3.17        1.4337    2   3   2         4
                66.69          3.35        1.4025    0   4   0         2
                67.77         20.93        1.3827   -2   2   4         4
                67.95         12.91        1.3796    2   2   4         4
                68.77          5.03        1.3650    4   0   0         2
                69.15          4.26        1.3584    1   4   0         4
                70.36          1.05        1.3381    1   4   1         4
                71.08          1.12        1.3263    4   1   0         4
                71.11          3.41        1.3257    2   3   3         4
                71.25          4.83        1.3236   -1   2   5         4
                71.48          1.93        1.3198    0   4   2         4
                71.57          3.44        1.3183   -2   1   5         4
                71.78          1.10        1.3150    3   2   3         4
                72.04          2.91        1.3109   -1   3   4         4
                72.13          2.13        1.3096    1   3   4         4
                72.21          2.90        1.3082   -4   1   1         4
                73.22          1.57        1.2927    3   1   4         4
                73.61          1.53        1.2869   -3   3   1         4
                73.67          1.56        1.2859    3   3   1         4
                73.90          1.17        1.2825    1   4   2         4
                75.67          4.29        1.2568   -4   1   2         4
                76.34          4.92        1.2475    2   4   0         4
                77.17          1.83        1.2361    3   3   2         4
                77.29          5.46        1.2345   -1   1   6         4
                77.41          5.60        1.2329    1   1   6         4
                77.82          8.84        1.2274    4   2   0         4
                78.30          3.66        1.2210   -2   2   5         4
                79.00          1.49        1.2119    4   2   1         4
                79.65          1.24        1.2037   -3   2   4         4
                80.86          1.01        1.1887   -2   4   2         4
                80.95          3.99        1.1877    2   4   2         4
                81.06          1.12        1.1863   -3   0   5         2
                81.58          1.76        1.1800    4   1   3         4
                82.38          1.81        1.1707   -1   3   5         4
                82.48          4.26        1.1695    1   3   5         4
                82.70          1.74        1.1668   -3   3   3         4
                82.89          4.52        1.1647    3   3   3         4
                83.25          1.17        1.1606   -3   1   5         4
                83.55          3.87        1.1572    3   1   5         4
                85.23          1.50        1.1386    0   4   4         4
                86.48          1.68        1.1254   -2   4   3         4
                87.00          1.96        1.1199   -4   0   4         2
                87.33          4.44        1.1166    4   0   4         2
                87.48          2.46        1.1150   -1   4   4         4
                87.87          1.76        1.1111   -4   2   3         4
                89.17          1.21        1.0982   -4   1   4         4
                89.40          2.23        1.0960    2   3   5         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.