Leucite
      Mazzi F, Galli E, Gottardi G
      American Mineralogist 61 (1976) 108-115
      The crystal structure of tetragonal leucite
      _database_code_amcsd 0000496

      CELL PARAMETERS:   13.0900  13.0900  13.7500   90.000   90.000   90.000
      SPACE GROUP: I4_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2356.036
      Density (g/cm3):      2.461
      MAX. ABS. INTENSITY / VOLUME**2:      10.88636749    
      RIR:      1.440
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.33          6.49        9.4808    1   0   1         8
                13.53          2.38        6.5450    2   0   0         4
                16.06         13.64        5.5191    1   1   2         8
                16.46         13.63        5.3862    2   1   1         8
                16.46         29.41        5.3862    1   2   1         8
                18.72          7.01        4.7404    2   0   2         8
                19.18          1.05        4.6280    2   2   0         4
                20.53          1.84        4.3258    1   0   3         8
                24.67          7.16        3.6088    1   2   3         8
                25.11          3.73        3.5462    3   1   2         8
                25.11          2.61        3.5462    1   3   2         8
                25.37          8.28        3.5102    3   2   1         8
                25.37          2.34        3.5102    2   3   1         8
                25.92         69.47        3.4375    0   0   4         2
                27.25        100.00        3.2725    4   0   0         4
                28.24          2.84        3.1603    3   0   3         8
                28.86          1.88        3.0934    4   1   1         8
                28.86          3.01        3.0934    1   4   1         8
                29.35          3.30        3.0433    2   0   4         8
                30.25          2.97        2.9548    4   0   2         8
                30.54          2.93        2.9270    2   4   0         4
                30.54         25.12        2.9270    4   2   0         4
                31.43         23.14        2.8459    3   2   3         8
                31.43         11.64        2.8459    2   3   3         8
                31.79         22.19        2.8149    3   3   2         8
                33.27          1.21        2.6931    2   4   2         8
                33.90          8.24        2.6445    3   1   4         8
                33.90          1.97        2.6445    1   3   4         8
                34.36          1.68        2.6098    1   4   3         8
                36.09          1.23        2.4890    2   1   5         8
                37.39          1.06        2.4050    5   1   2         8
                37.58          1.68        2.3936    5   2   1         8
                37.96         22.59        2.3702    4   0   4         8
                38.70          2.57        2.3265    3   0   5         8
                38.92          4.76        2.3140    4   4   0         4
                39.24          2.23        2.2961    3   3   4         8
                39.65          1.09        2.2733    5   0   3         8
                41.18          1.63        2.1921    3   2   5         8
                41.76          4.19        2.1629    2   0   6         8
                42.08          2.25        2.1474    5   2   3         8
                42.35          8.69        2.1340    3   5   2         8
                43.74          2.65        2.0697    2   6   0         4
                44.02          1.10        2.0569    1   5   4         8
                44.82          1.33        2.0221    5   4   1         8
                46.63          1.45        1.9480    1   6   3         8
                47.04          1.69        1.9320    3   6   1         8
                47.36          2.86        1.9196    4   4   4         8
                48.50          2.26        1.8772    4   0   6         8
                48.78          1.82        1.8670    4   5   3         8
                48.91          1.24        1.8622    1   2   7         8
                49.55          3.22        1.8397    3   3   6         8
                50.26          2.15        1.8153    4   6   0         4
                50.59          1.09        1.8044    2   4   6         8
                50.86          1.37        1.7954    6   3   3         8
                50.86          1.65        1.7954    3   6   3         8
                51.10          1.32        1.7875    5   5   2         8
                51.10          1.46        1.7875    7   1   2         8
                51.24          1.73        1.7829    7   2   1         8
                52.88          1.73        1.7314    7   0   3         8
                53.00          2.74        1.7276    3   2   7         8
                53.00          2.81        1.7276    2   3   7         8
                53.30          1.63        1.7188    0   0   8         2
                54.85          2.98        1.6739    7   2   3         8
                54.97          2.52        1.6704    1   4   7         8
                55.07          1.40        1.6675    7   3   2         8
                55.07          9.36        1.6675    3   7   2         8
                55.26          1.23        1.6624    2   0   8         8
                56.22          1.46        1.6363    8   0   0         4
                56.46          2.97        1.6299    7   1   4         8
                57.12          1.04        1.6124    8   1   1         8
                57.47          1.34        1.6037    3   5   6         8
                58.11          3.31        1.5874    8   2   0         4
                58.11          1.68        1.5874    3   1   8         8
                60.19          1.78        1.5373    7   3   4         8
                60.88          1.06        1.5216    4   0   8         8
                62.51          2.09        1.4857    7   5   2         8
                62.51          1.30        1.4857    5   7   2         8
                62.87          1.56        1.4783    1   2   9         8
                62.91          1.37        1.4774    8   0   4         8
                64.42          1.13        1.4464    9   0   1         8
                66.17          1.02        1.4123    7   6   1         8
                67.57          1.28        1.3863    9   0   3         8
                67.68          1.10        1.3844    6   3   7         8
                67.89          1.20        1.3805    8   5   1         8
                68.20          3.67        1.3750    3   7   6         8
                69.06          2.66        1.3601    1   1  10         8
                69.28          1.52        1.3562    7   6   3         8
                72.42          1.20        1.3049    8   2   6         8
                72.43          2.36        1.3049    3   1  10         8
                72.84          1.03        1.2985    7   7   2         8
                72.96          2.26        1.2967    1  10   1         8
                74.30          1.69        1.2765    4   9   3         8
                75.48          1.34        1.2596    7   1   8         8
                75.95          1.44        1.2529    1  10   3         8
                76.05          1.91        1.2514    1   8   7         8
                78.99          1.47        1.2121    5   1  10         8
                82.22          2.37        1.1725    3   5  10         8
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.