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: REE293
      Tetrahedral sites were refined as Si
      _database_code_amcsd 0002251

      CELL PARAMETERS:   17.6490  17.9800   7.4120   90.000  116.220   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2110.027
      Density (g/cm3):      2.212
      MAX. ABS. INTENSITY / VOLUME**2:      4.181000647    
      RIR:      0.616
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.44          3.97       11.8826    1   1   0         4
                 9.84        100.00        8.9900    0   2   0         2
                11.18         39.00        7.9165    2   0   0         2
                12.92         10.27        6.8508   -1   1   1         4
                13.07         15.17        6.7748   -2   0   1         2
                13.32          9.82        6.6493    0   0   1         2
                14.91          3.24        5.9413    2   2   0         4
                16.58          3.05        5.3459    0   2   1         4
                16.92         13.97        5.2391   -3   1   1         4
                17.31         25.84        5.1236    1   1   1         4
                17.51          3.08        5.0640    3   1   0         4
                19.05         20.51        4.6598   -1   3   1         4
                19.75          1.11        4.4950    0   4   0         2
                20.42          5.68        4.3491   -4   0   1         2
                21.99          1.82        4.0430   -3   3   1         4
                22.29         67.42        3.9892    1   3   1         4
                22.45         53.62        3.9609    3   3   0         4
                22.46         28.67        3.9582    4   0   0         2
                22.71         31.49        3.9150   -4   2   1         4
                22.75         35.93        3.9088    2   4   0         4
                23.15          7.59        3.8424    2   2   1         4
                23.76          3.03        3.7456   -2   4   1         4
                23.90          2.86        3.7239    0   4   1         4
                24.02          9.40        3.7049   -2   0   2         2
                25.05         19.51        3.5555   -3   1   2         4
                25.31          1.18        3.5187   -1   1   2         4
                25.74          7.79        3.4612   -5   1   1         4
                26.01         36.25        3.4254   -2   2   2         4
                26.25          5.54        3.3944    3   1   1         4
                26.31         19.08        3.3874   -4   0   2         2
                26.82         21.94        3.3247    0   0   2         2
                28.15         34.85        3.1699   -4   2   2         4
                28.56         19.55        3.1256   -4   4   1         4
                28.62          1.08        3.1186    5   1   0         4
                29.00         15.32        3.0786   -1   3   2         4
                29.38          2.91        3.0398   -5   3   1         4
                29.54          6.87        3.0240   -5   1   2         4
                29.72         11.83        3.0060   -3   5   1         4
                29.81          2.81        2.9967    0   6   0         2
                29.84          2.94        2.9942    3   3   1         4
                29.95         36.70        2.9837    1   5   1         4
                30.07         30.38        2.9717    3   5   0         4
                30.22         11.55        2.9574    1   1   2         4
                30.43          7.66        2.9378   -6   0   1         2
                30.98          2.48        2.8866    4   0   1         2
                31.29          2.38        2.8589   -2   4   2         4
                31.97         29.93        2.7998    5   3   0         4
                32.05         10.11        2.7925   -6   2   1         4
                32.58          1.16        2.7484    4   2   1         4
                32.68         13.37        2.7405   -2   6   1         4
                32.70          1.41        2.7384   -6   0   2         2
                32.78          7.73        2.7320    0   6   1         4
                33.42          5.00        2.6814    1   3   2         4
                33.53          1.05        2.6726    2   0   2         2
                35.03          5.11        2.5618    2   2   2         4
                35.14          1.15        2.5537   -3   5   2         4
                35.34          4.71        2.5400   -1   5   2         4
                35.40          1.74        2.5354    1   7   0         4
                35.45          2.20        2.5320    6   2   0         4
                35.66          2.88        2.5181   -5   5   1         4
                36.04          2.67        2.4920    3   5   1         4
                36.20          1.11        2.4813   -7   1   1         4
                36.54          1.41        2.4592   -6   4   1         4
                36.69          6.84        2.4491    2   6   1         4
                36.77          1.92        2.4441    5   1   1         4
                36.97          4.70        2.4314   -2   0   3         2
                37.01          5.87        2.4289    4   4   1         4
                37.24          3.84        2.4146   -7   1   2         4
                37.65          3.56        2.3892    4   6   0         4
                40.71          1.12        2.2164    0   0   3         2
                41.22          1.99        2.1902   -6   2   3         4
                41.40          3.04        2.1811   -1   3   3         4
                42.73          2.36        2.1162    7   3   0         4
                43.12          3.03        2.0978   -6   6   1         4
                43.16          1.58        2.0962   -3   7   2         4
                43.29          4.33        2.0899    6   2   1         4
                43.53          2.23        2.0789    4   6   1         4
                43.92          2.51        2.0617    3   7   1         4
                43.97          1.82        2.0593    1   1   3         4
                44.54          1.12        2.0343    5   5   1         4
                44.92          3.27        2.0179   -6   4   3         4
                44.94          3.16        2.0172   -7   5   2         4
                46.27          3.74        1.9623   -1   5   3         4
                46.32          2.74        1.9602   -8   4   1         4
                46.82          3.73        1.9404   -9   1   2         4
                46.86          1.92        1.9386    6   4   1         4
                47.21          1.10        1.9252   -8   2   3         4
                48.14          1.11        1.8901    7   1   1         4
                48.36          1.89        1.8823    2   2   3         4
                48.74          1.43        1.8684    3   9   0         4
                49.09          1.07        1.8558   -9   3   2         4
                49.67          1.86        1.8355   -5   1   4         4
                49.97          3.20        1.8253   -3   1   4         4
                50.78          2.96        1.7980    0  10   0         2
                50.92          1.73        1.7934   -7   7   1         4
                51.27          1.10        1.7820    0   6   3         4
                51.32          1.12        1.7804   -3   7   3         4
                51.40          1.24        1.7777   -6   2   4         4
                51.54          3.49        1.7734    4   8   1         4
                51.71          4.76        1.7678   -7   7   2         4
                52.13          3.40        1.7544   -3   3   4         4
                52.28          2.46        1.7499   -3   9   2         4
                52.48          1.98        1.7435   -5   7   3         4
                52.74          3.86        1.7357    0  10   1         4
                52.94          2.33        1.7297    3   9   1         4
                53.67          1.68        1.7079    3   3   3         4
                54.02          2.49        1.6975    7   7   0         4
                54.06          1.07        1.6963   -9   5   1         4
                54.15          1.26        1.6937   -8   0   4         2
                54.33          3.04        1.6887  -10   0   3         2
                55.18          2.71        1.6644   -8   2   4         4
                55.65          3.00        1.6515    8   6   0         4
                56.19          1.30        1.6370    4  10   0         4
                56.85          4.63        1.6196    2   6   3         4
                57.75          3.04        1.5965    3   5   3         4
                57.89          1.63        1.5930   -6   8   3         4
                57.93          1.18        1.5920    8   4   1         4
                58.27          1.62        1.5833   10   0   0         2
                58.88          1.31        1.5684    7   1   2         4
                59.06          1.14        1.5641   -8   8   1         4
                59.52          1.31        1.5531    6   8   1         4
                60.68          1.16        1.5261    4  10   1         4
                62.53          2.39        1.4853    8   8   0         4
                62.78          1.60        1.4802    8   6   1         4
                63.16          1.13        1.4722    2  12   0         4
                63.55          1.09        1.4640    3   7   3         4
                63.65          1.22        1.4620    2   8   3         4
                64.25          2.52        1.4497  -12   2   2         4
                64.61          2.09        1.4425   -5  11   2         4
                64.81          1.97        1.4385    1   9   3         4
                65.06          1.84        1.4336  -11   5   3         4
                65.88          2.22        1.4178   -2   0   5         2
                65.94          1.67        1.4166   -4  12   1         4
                65.96          1.30        1.4162    9   5   1         4
                66.30          1.66        1.4099  -11   3   4         4
                67.56          1.49        1.3866   -8  10   1         4
                68.48          1.64        1.3702   -5   5   5         4
                69.21          1.56        1.3574   -7  11   2         4
                69.34          1.86        1.3552   -7   5   5         4
                69.94          1.26        1.3450   -3   5   5         4
                70.11          1.27        1.3423    7   7   2         4
                72.29          1.32        1.3070    2  12   2         4
                73.56          1.15        1.2876   -5  13   1         4
                74.19          1.12        1.2782   -4  12   3         4
                74.75          1.55        1.2700   -2  10   4         4
                75.13          1.01        1.2644   11   3   1         4
                75.93          2.20        1.2531   -9  11   2         4
                76.30          1.10        1.2481    9   5   2         4
                77.14          1.17        1.2366    7   9   2         4
                77.65          1.01        1.2296  -12   8   2         4
                78.51          1.06        1.2183  -14   0   4         2
                78.60          1.03        1.2172   11   5   1         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.