Heulandite
      Wust T, Stolz J, Armbruster T
      American Mineralogist 84 (1999) 1126-1134
      Partially dealuminated heulandite produced by acidic REECl3 solution: A chemical
      and single-crystal X-ray study
      Sample: REE100
      Tetrahedral sites were refined as Si
      _database_code_amcsd 0002252

      CELL PARAMETERS:   17.6110  17.9330   7.3980   90.000  116.290   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2094.751
      Density (g/cm3):      2.181
      MAX. ABS. INTENSITY / VOLUME**2:      5.022555343    
      RIR:      0.750
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.46          1.56       11.8506    1   1   0         4
                 9.86        100.00        8.9665    0   2   0         2
                11.21         35.01        7.8947    2   0   0         2
                12.95         12.26        6.8370   -1   1   1         4
                13.09         13.49        6.7638   -2   0   1         2
                13.35          8.98        6.6328    0   0   1         2
                14.95          2.98        5.9253    2   2   0         4
                16.63          2.78        5.3324    0   2   1         4
                16.95         13.51        5.2296   -3   1   1         4
                17.36         26.34        5.1091    1   1   1         4
                17.56          2.88        5.0501    3   1   0         4
                19.09         15.90        4.6490   -1   3   1         4
                20.46          4.45        4.3406   -4   0   1         2
                22.03          1.07        4.0343   -3   3   1         4
                22.35         55.34        3.9782    1   3   1         4
                22.51         47.23        3.9502    3   3   0         4
                22.52         24.33        3.9473    4   0   0         2
                22.76         28.23        3.9069   -4   2   1         4
                22.81         31.72        3.8985    2   4   0         4
                23.22          6.60        3.8312    2   2   1         4
                23.81          2.59        3.7369   -2   4   1         4
                23.96          2.34        3.7143    0   4   1         4
                24.07          8.36        3.6978   -2   0   2         2
                25.09         16.41        3.5493   -3   1   2         4
                25.37          1.44        3.5109   -1   1   2         4
                25.79          7.01        3.4539   -5   1   1         4
                26.07         29.71        3.4185   -2   2   2         4
                26.34          4.07        3.3842    3   1   1         4
                26.35         15.20        3.3819   -4   0   2         2
                26.88         16.78        3.3164    0   0   2         2
                28.20         30.44        3.1643   -4   2   2         4
                28.62         14.65        3.1185   -4   4   1         4
                29.07         12.61        3.0714   -1   3   2         4
                29.45          2.31        3.0330   -5   3   1         4
                29.59          5.06        3.0189   -5   1   2         4
                29.79          9.72        2.9989   -3   5   1         4
                29.89          2.49        2.9888    0   6   0         2
                29.93          2.58        2.9855    3   3   1         4
                30.03         29.39        2.9756    1   5   1         4
                30.15         23.90        2.9638    3   5   0         4
                30.30         10.52        2.9494    1   1   2         4
                30.50          6.55        2.9313   -6   0   1         2
                31.08          2.10        2.8779    4   0   1         2
                31.36          2.01        2.8527   -2   4   2         4
                32.05         24.98        2.7922    5   3   0         4
                32.13          7.97        2.7862   -6   2   1         4
                32.68          1.07        2.7402    4   2   1         4
                32.76         11.08        2.7338   -2   6   1         4
                32.76          1.24        2.7336   -6   0   2         2
                32.87          6.48        2.7250    0   6   1         4
                33.51          3.94        2.6742    1   3   2         4
                35.13          4.67        2.5546    2   2   2         4
                35.22          1.16        2.5482   -3   5   2         4
                35.43          3.93        2.5338   -1   5   2         4
                35.50          1.49        2.5288    1   7   0         4
                35.55          1.90        2.5251    6   2   0         4
                35.74          2.39        2.5122   -5   5   1         4
                36.15          2.22        2.4849    3   5   1         4
                36.63          1.50        2.4534   -6   4   1         4
                36.80          5.91        2.4424    2   6   1         4
                36.89          1.27        2.4368    5   1   1         4
                37.05          3.96        2.4263   -2   0   3         2
                37.12          4.99        2.4218    4   4   1         4
                37.31          3.14        2.4101   -7   1   2         4
                37.75          3.02        2.3828    4   6   0         4
                41.29          1.80        2.1865   -6   2   3         4
                41.50          2.38        2.1760   -1   3   3         4
                42.85          2.01        2.1104    7   3   0         4
                43.23          2.26        2.0928   -6   6   1         4
                43.26          1.48        2.0913   -3   7   2         4
                43.43          3.92        2.0837    6   2   1         4
                43.66          2.16        2.0731    4   6   1         4
                44.04          2.00        2.0560    3   7   1         4
                44.09          1.62        2.0538    1   1   3         4
                45.01          2.78        2.0142   -6   4   3         4
                45.04          2.66        2.0130   -7   5   2         4
                46.38          3.22        1.9576   -1   5   3         4
                46.44          2.34        1.9554   -8   4   1         4
                46.92          3.19        1.9364   -9   1   2         4
                47.01          1.76        1.9330    6   4   1         4
                48.50          1.53        1.8771    2   2   3         4
                48.87          1.33        1.8635    3   9   0         4
                49.77          1.59        1.8321   -5   1   4         4
                50.08          2.64        1.8215   -3   1   4         4
                50.92          2.37        1.7933    0  10   0         2
                51.05          1.57        1.7890   -7   7   1         4
                51.69          2.83        1.7685    4   8   1         4
                51.83          4.39        1.7639   -7   7   2         4
                52.25          2.96        1.7507   -3   3   4         4
                52.41          1.91        1.7457   -3   9   2         4
                52.60          1.57        1.7399   -5   7   3         4
                52.89          3.37        1.7311    0  10   1         4
                53.09          1.96        1.7250    3   9   1         4
                53.83          1.41        1.7030    3   3   3         4
                54.18          2.10        1.6929    7   7   0         4
                54.25          1.07        1.6910   -8   0   4         2
                54.43          2.59        1.6856  -10   0   3         2
                55.28          2.30        1.6617   -8   2   4         4
                55.82          2.75        1.6470    8   6   0         4
                56.35          1.16        1.6327    4  10   0         4
                57.02          4.07        1.6152    2   6   3         4
                57.92          2.59        1.5920    3   5   3         4
                58.02          1.44        1.5896   -6   8   3         4
                58.45          1.43        1.5789   10   0   0         2
                59.08          1.18        1.5637    7   1   2         4
                59.22          1.03        1.5602   -8   8   1         4
                59.70          1.15        1.5488    6   8   1         4
                60.86          1.02        1.5220    4  10   1         4
                62.72          2.00        1.4813    8   8   0         4
                62.98          1.41        1.4759    8   6   1         4
                63.84          1.00        1.4581    2   8   3         4
                64.41          2.10        1.4464  -12   2   2         4
                64.78          1.77        1.4391   -5  11   2         4
                65.01          1.73        1.4347    1   9   3         4
                65.21          1.56        1.4307  -11   5   3         4
                66.05          1.80        1.4146   -2   0   5         2
                66.13          1.48        1.4130   -4  12   1         4
                66.18          1.14        1.4121    9   5   1         4
                66.43          1.51        1.4074  -11   3   4         4
                67.75          1.39        1.3831   -8  10   1         4
                68.64          1.53        1.3674   -5   5   5         4
                69.40          1.34        1.3542   -7  11   2         4
                69.49          1.62        1.3527   -7   5   5         4
                70.12          1.00        1.3420   -3   5   5         4
                70.34          1.01        1.3384    7   7   2         4
                72.52          1.18        1.3035    2  12   2         4
                73.77          1.03        1.2843   -5  13   1         4
                74.96          1.42        1.2669   -2  10   4         4
                76.14          1.91        1.2502   -9  11   2         4
                77.40          1.01        1.2330    7   9   2         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.