Natrolite
      Wang H, Bish D L
      American Mineralogist 93 (2008) 1191-1194
      A PH2O-dependent structural phase transition in the zeolite natrolite
      Sample: alpha1-metanatrolite
      Note: T = 400 C, P = 0.15 mbar
      Locality: synthetic
      _database_code_amcsd 0004617

      CELL PARAMETERS:   16.1670  16.9380   6.4380   90.000   90.000   89.680
      SPACE GROUP: F2        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1762.933
      Density (g/cm3):      2.593
      MAX. ABS. INTENSITY / VOLUME**2:      3.203930399    
      RIR:      0.402
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.95          1.45        8.0834    2   0   0         2
                15.11         70.76        5.8637    2   2   0         2
                15.19         97.79        5.8311   -2   2   0         2
                15.70         42.80        5.6435    1   1   1         2
                15.72         57.62        5.6362    1  -1   1         2
                20.98         20.94        4.2344    0   4   0         2
                21.62         47.13        4.1099    1   3   1         2
                21.67         34.33        4.1014   -1   3   1         2
                21.99          8.22        4.0417    4   0   0         2
                22.12         50.28        4.0185    3   1   1         2
                22.16         62.10        4.0106    3  -1   1         2
                23.67         37.00        3.7596    2   4   0         2
                23.78         10.33        3.7424   -2   4   0         2
                24.35         15.59        3.6555    4   2   0         2
                24.46         34.78        3.6397   -4   2   0         2
                26.68          9.92        3.3414    3   3   1         2
                26.79         20.89        3.3278    3  -3   1         2
                29.69        100.00        3.0090    0   2   2         2
                29.88         84.00        2.9906    2   0   2         2
                30.30         52.60        2.9502    1   5   1         2
                30.35         43.16        2.9450   -1   5   1         2
                30.49         21.48        2.9319    4   4   0         2
                30.66         23.99        2.9155   -4   4   0         2
                31.38         45.93        2.8506    5   1   1         2
                31.43         51.84        2.8459    5  -1   1         2
                31.70          3.40        2.8230    0   6   0         2
                31.71         11.76        2.8218    2   2   2         2
                31.75         13.95        2.8181    2  -2   2         2
                33.25          6.43        2.6945    6   0   0         2
                33.69          2.96        2.6605   -2   6   0         2
                34.15         31.81        2.6253    3   5   1         2
                34.30         46.98        2.6143   -3   5   1         2
                34.81         47.07        2.5774    5   3   1         2
                34.89          5.21        2.5718    6   2   0         2
                34.95         24.95        2.5670    5  -3   1         2
                36.76          6.38        2.4452    2   4   2         2
                36.83         26.14        2.4404   -2   4   2         2
                37.22         19.05        2.4158    4   2   2         2
                37.29          3.27        2.4113    4  -2   2         2
                39.02          2.73        2.3083   -4   6   0         2
                39.54          6.92        2.2790    6   4   0         2
                39.75          1.14        2.2675   -6   4   0         2
                40.17         17.94        2.2447    1   7   1         2
                40.23         23.27        2.2415   -1   7   1         2
                41.67         14.38        2.1676    4   4   2         2
                41.80          9.74        2.1609    4  -4   2         2
                41.87          7.81        2.1576    7   1   1         2
                41.93         13.57        2.1548    7  -1   1         2
                42.60          2.37        2.1224    0   6   2         2
                42.84          1.48        2.1109    1   1   3         2
                43.25          2.12        2.0920    3   7   1         2
                43.42          4.45        2.0842   -3   7   1         2
                44.07         11.41        2.0550    2   6   2         2
                44.16          1.43        2.0507   -2   6   2         2
                44.29          7.49        2.0453   -2   8   0         2
                44.59          2.78        2.0323    7   3   1         2
                44.75          1.12        2.0251    7  -3   1         2
                45.12          3.25        2.0093    6   2   2         2
                45.22         19.87        2.0053    6  -2   2         2
                45.56          3.01        1.9912    1   3   3         2
                45.58          9.79        1.9902   -1   3   3         2
                45.82          4.63        1.9805    3   1   3         2
                45.84          2.74        1.9796    3  -1   3         2
                46.12          8.81        1.9681    8   2   0         2
                46.24          3.44        1.9632   -8   2   0         2
                48.35         10.85        1.8823    4   6   2         2
                48.42          5.24        1.8798    4   8   0         2
                48.45          1.55        1.8787    3  -3   3         2
                48.53          2.87        1.8758   -4   6   2         2
                48.66          1.38        1.8712   -4   8   0         2
                48.97          3.53        1.8600    6   4   2         2
                49.15          7.51        1.8538    6  -4   2         2
                49.24          2.68        1.8506   -5   7   1         2
                49.71          2.33        1.8340    7   5   1         2
                50.13          8.14        1.8198   -8   4   0         2
                50.65          3.02        1.8022    1   5   3         2
                50.69          4.13        1.8010   -1   5   3         2
                50.83          4.08        1.7963    1   9   1         2
                50.90          9.44        1.7941   -1   9   1         2
                51.37         10.46        1.7787    5   1   3         2
                51.40          7.90        1.7776    5  -1   3         2
                52.94          2.66        1.7297    2   8   2         2
                53.05          1.49        1.7263   -2   8   2         2
                53.18          8.53        1.7222    9   1   1         2
                53.25          2.95        1.7203    9  -1   1         2
                53.26          1.35        1.7198    3   5   3         2
                53.37          1.60        1.7167   -3   5   3         2
                53.41          1.48        1.7155    3   9   1         2
                53.60          3.56        1.7100   -3   9   1         2
                53.73          3.52        1.7061    5   3   3         2
                54.66          1.13        1.6792    8   2   2         2
                54.77          3.52        1.6761    8  -2   2         2
                54.96          2.29        1.6707    6   6   2         2
                55.01          1.03        1.6693    6   8   0         2
                55.20          3.32        1.6639    6  -6   2         2
                55.33          1.57        1.6603   -6   8   0         2
                55.36         10.56        1.6596    2  10   0         2
                55.46          1.65        1.6568    9   3   1         2
                55.49          4.19        1.6559   -2  10   0         2
                56.78          2.01        1.6214    7   7   1         2
                56.92          1.27        1.6177   -4   8   2         2
                57.11          1.96        1.6129    7  -7   1         2
                57.24         15.17        1.6095    0   0   4         1
                57.68          9.61        1.5983    1   7   3         2
                57.72          4.79        1.5971   -1   7   3         2
                58.02          7.19        1.5896   10   2   0         2
                58.15          6.90        1.5864  -10   2   0         2
                58.68          1.28        1.5734   -5   9   1         2
                59.03          5.97        1.5648    7  -1   3         2
                59.56          1.93        1.5521    2   2   4         2
                60.07          1.50        1.5403    3   7   3         2
                60.20          2.46        1.5371   -3   7   3         2
                61.13          5.84        1.5160    7   3   3         2
                61.90          3.05        1.4989    0  10   2         2
                62.23          2.28        1.4919    1  11   1         2
                62.30          2.31        1.4904   -1  11   1         2
                62.69          5.25        1.4819    6   8   2         2
                62.80          2.85        1.4796    2   4   4         2
                62.85          1.20        1.4786   -2   4   4         2
                62.99          4.50        1.4756   -6   8   2         2
                63.02          1.66        1.4751    2  10   2         2
                63.11          2.36        1.4730    4   2   4         2
                63.14          5.82        1.4725   -2  10   2         2
                63.16          2.60        1.4720    4  -2   4         2
                63.42          5.70        1.4666    8   6   2         2
                63.46          4.37        1.4659    8   8   0         2
                63.72          6.08        1.4605    8  -6   2         2
                63.85          3.42        1.4578   -8   8   0         2
                64.50          4.26        1.4447   10   0   2         2
                64.94          1.74        1.4359   -5   7   3         2
                65.33          2.66        1.4284   11   1   1         2
                65.34          4.38        1.4281    7   5   3         2
                65.39          2.37        1.4271   11  -1   1         2
                65.42          2.11        1.4266    7   9   1         2
                65.49          5.54        1.4253   10   2   2         2
                65.61          2.88        1.4230   10  -2   2         2
                65.81          1.72        1.4192   -7   9   1         2
                66.23          1.75        1.4110    9   7   1         2
                66.24         12.40        1.4109    4   4   4         2
                66.28          5.32        1.4101    1   9   3         2
                66.34         10.50        1.4091    4  -4   4         2
                66.34         11.32        1.4090   -1   9   3         2
                66.41          3.21        1.4077    4  10   2         2
                66.62          3.56        1.4039    9  -7   1         2
                66.66          7.05        1.4031   -4  10   2         2
                67.42          1.87        1.3891   -2  12   0         2
                67.53          2.00        1.3870   11  -3   1         2
                68.01          1.69        1.3784    2   6   4         2
                68.09          1.81        1.3771   -2   6   4         2
                68.30          8.67        1.3734    9   1   3         2
                68.35          4.60        1.3724    9  -1   3         2
                68.52          4.80        1.3694   10   4   2         2
                68.65          2.91        1.3671   -3   9   3         2
                68.81          1.55        1.3643    6   2   4         2
                68.96          5.53        1.3617    5  11   1         2
                69.29          2.20        1.3561   -5  11   1         2
                70.27          1.98        1.3395    9   3   3         2
                70.60          4.18        1.3341    8   8   2         2
                70.75          2.01        1.3317   12   2   0         2
                70.98          2.65        1.3279    8  -8   2         2
                71.43          1.09        1.3206    7   7   3         2
                71.65          2.99        1.3171   11  -5   1         2
                73.12          1.06        1.2943   -5   9   3         2
                73.50          1.79        1.2884   10   8   0         2
                73.97          1.51        1.2815  -10   8   0         2
                74.07          2.05        1.2799    1   1   5         2
                74.08          2.23        1.2798    1  -1   5         2
                74.21          1.98        1.2779    9   5   3         2
                74.24          2.13        1.2775    2  12   2         2
                74.38          1.01        1.2754   -2  12   2         2
                74.47          1.50        1.2741    9  -5   3         2
                74.50          2.09        1.2736    1  13   1         2
                75.01          1.65        1.2662    2   8   4         2
                75.11          3.42        1.2648   -2   8   4         2
                75.91          2.91        1.2534   -7  11   1         2
                75.93          1.73        1.2532    6  12   0         2
                76.03          1.62        1.2517    1   3   5         2
                76.24          2.68        1.2488    3  -1   5         2
                76.34          2.25        1.2475   -6  12   0         2
                76.45          3.20        1.2459    8   2   4         2
                76.54          1.99        1.2447    8  -2   4         2
                76.58          5.07        1.2441    3  13   1         2
                76.70          4.70        1.2425    6   6   4         2
                76.80          1.64        1.2411   -3  13   1         2
                76.91          4.30        1.2397    6  -6   4         2
                77.19          1.57        1.2358   11   7   1         2
                77.39          2.04        1.2331    4  12   2         2
                77.58          3.22        1.2305   12   2   2         2
                77.63          2.16        1.2300   11  -7   1         2
                77.67          2.97        1.2294   -4  12   2         2
                77.72          2.36        1.2287   12  -2   2         2
                78.21          1.51        1.2223    3  -3   5         2
                78.37          3.70        1.2202   -4   8   4         2
                78.39          1.39        1.2199    3  11   3         2
                78.50          1.34        1.2185   12   6   0         2
                78.58          1.36        1.2174   -3  11   3         2
                78.58          1.53        1.2174   13  -1   1         2
                79.25          3.18        1.2088    7   9   3         2
                79.32          1.11        1.2079    8   4   4         2
                79.61          2.80        1.2043   -7   9   3         2
                79.91          2.06        1.2004    1   5   5         2
                79.94          1.56        1.2001   -1   5   5         2
                80.00          2.95        1.1993    9   7   3         2
                80.36          2.53        1.1949    9  -7   3         2
                80.37          1.47        1.1948   13   3   1         2
                80.42          1.84        1.1941   12   4   2         2
                80.50          1.14        1.1931    5  -1   5         2
                80.59          5.00        1.1921   13  -3   1         2
                80.69          1.13        1.1908   12  -4   2         2
                80.76          2.75        1.1900    5  13   1         2
                81.03          1.11        1.1867   11   3   3         2
                81.13          2.40        1.1855   -5  13   1         2
                81.99          1.59        1.1751    3   5   5         2
                82.45          1.78        1.1698    5  -3   5         2
                82.86          1.60        1.1650   -5  11   3         2
                83.71          1.05        1.1554    2  10   4         2
                83.89          2.12        1.1533    9  11   1         2
                84.13          1.90        1.1507   13   5   1         2
                84.44          1.05        1.1472   -9  11   1         2
                84.49          1.92        1.1467   13  -5   1         2
                84.80          1.33        1.1433   11   5   3         2
                85.37          4.39        1.1371   11  -9   1         2
                85.65          1.13        1.1341    1   7   5         2
                85.80          1.86        1.1325    0  14   2         2
                86.77          1.22        1.1224    7   1   5         2
                86.77          1.43        1.1223    2  14   2         2
                86.81          1.32        1.1220    7  -1   5         2
                87.98          1.22        1.1100    1  15   1         2
                88.77          1.01        1.1021    7  11   3         2
                88.79          1.87        1.1019   10  10   2         2
                89.20          1.28        1.0980   -7  11   3         2
                89.85          1.17        1.0917    3  13   3         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.