Heklaite
      Fischer J, Kramer V
      Materials Research Bulletin 26 (1991) 925-930
      Crystal structure of KNaSiF_6_
      Locality: synthetic
      _database_code_amcsd 0014361

      CELL PARAMETERS:    9.3246   5.4992   9.7892   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    501.969
      Density (g/cm3):      2.701
      MAX. ABS. INTENSITY / VOLUME**2:      8.077592381    
      RIR:      0.974
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.11          9.91        6.7518    1   0   1         4
                18.12         22.39        4.8946    0   0   2         2
                18.51          1.01        4.7945    0   1   1         4
                19.04          8.30        4.6623    2   0   0         2
                20.49         51.63        4.3338    1   0   2         4
                20.83         69.88        4.2639    1   1   1         8
                26.18         43.64        3.4038    1   1   2         8
                26.40         42.27        3.3759    2   0   2         4
                26.67        100.00        3.3425    2   1   1         8
                28.99          2.82        3.0799    1   0   3         4
                30.17          8.47        2.9625    3   0   1         4
                31.89          9.80        2.8062    0   1   3         4
                32.57         15.40        2.7496    0   2   0         2
                34.39         10.91        2.6081    3   1   1         8
                35.24          2.23        2.5465    1   2   1         8
                37.40          1.66        2.4043    2   1   3         8
                37.52          1.93        2.3972    0   2   2         4
                37.99          1.93        2.3684    2   2   0         4
                38.00          3.13        2.3681    3   1   2         8
                38.01          2.70        2.3671    1   0   4         4
                38.62          2.21        2.3312    4   0   0         2
                39.13         24.35        2.3020    2   2   1         8
                40.06         19.43        2.2506    3   0   3         4
                41.53          5.06        2.1743    1   1   4         8
                41.68          1.42        2.1669    2   0   4         4
                42.10          1.51        2.1463    4   1   0         4
                42.40          1.65        2.1319    2   2   2         8
                42.97          4.25        2.1046    4   0   2         4
                43.15          8.46        2.0965    4   1   1         8
                44.15         42.46        2.0511    1   2   3         8
                44.96          3.44        2.0160    2   1   4         8
                44.98         24.34        2.0153    3   2   1         8
                46.18          1.97        1.9656    4   1   2         8
                47.27         11.18        1.9228    3   0   4         4
                47.43          2.36        1.9167    2   2   3         8
                47.45          9.72        1.9161    1   0   5         4
                47.92         10.97        1.8982    3   2   2         8
                49.41          5.07        1.8444    0   1   5         4
                49.77          5.87        1.8320    5   0   1         4
                50.27         13.83        1.8151    3   1   4         8
                50.56          7.32        1.8051    2   0   5         4
                50.93          2.62        1.7932    4   1   3         8
                51.39          4.70        1.7781    4   2   0         4
                52.51          1.02        1.7427    5   0   2         4
                52.55          2.29        1.7416    3   2   3         8
                54.34          1.53        1.6883    1   3   2         8
                54.61          7.65        1.6806    2   3   1         8
                54.94          1.68        1.6712    4   2   2         8
                55.30          2.42        1.6613    5   1   2         8
                55.47          1.11        1.6566    3   0   5         4
                57.68          1.07        1.5982    0   3   3         4
                58.58          5.09        1.5757    3   2   4         8
                58.73          1.98        1.5720    1   2   5         8
                59.28          3.04        1.5588    3   3   1         8
                59.48          1.29        1.5541    6   0   0         2
                59.52          1.27        1.5532    5   1   3         8
                60.08          2.13        1.5400    2   0   6         4
                61.73          1.02        1.5027    3   3   2         8
                62.06          1.56        1.4955    6   1   0         4
                62.63          1.48        1.4833    5   0   4         4
                62.86          1.15        1.4784    6   1   1         8
                63.17          5.49        1.4720    5   2   2         8
                64.41          1.06        1.4464    4   1   5         8
                64.81          1.33        1.4385    4   2   4         8
                66.66          1.94        1.4031    0   2   6         4
                66.66          1.35        1.4031    6   0   3         4
                67.08          1.10        1.3952    5   2   3         8
                67.80          1.50        1.3823    4   3   2         8
                68.22          5.20        1.3748    0   4   0         2
                69.63          1.46        1.3504    5   0   5         4
                70.03          5.62        1.3436    2   2   6         8
                70.36          2.13        1.3381    0   3   5         4
                71.05          4.38        1.3268    3   3   4         8
                72.01          1.78        1.3114    5   1   5         8
                72.48          2.99        1.3040    6   2   2         8
                73.02          1.29        1.2958    5   3   1         8
                74.52          1.50        1.2733    2   4   2         8
                75.23          1.39        1.2630    5   3   2         8
                76.17          2.62        1.2498    6   2   3         8
                78.59          1.42        1.2172    6   0   5         4
                81.13          1.21        1.1854    6   3   0         4
                82.29          1.35        1.1717    4   1   7         8
                86.49          1.14        1.1253    7   2   3         8
                87.16          1.44        1.1183    3   4   4         8
                87.19          2.43        1.1179    0   2   8         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.