Natrolite
      Baur W H, Joswig W
      Neues Jahrbuch fur Mineralogie, Monatshefte 1996 (1996) 171-187
      The phases of natrolite occurring during dehydration and rehydration studied
      by single crystal X-ray diffraction methods between room temperature and 923 K
      Locality: Khibiny, Kola peninsula, Russia
      Sample: T = 823 K, crystal III, "high natrolite"
      _database_code_amcsd 0014892

      CELL PARAMETERS:   17.3240  17.6380   6.4160   90.000   90.000   90.000
      SPACE GROUP: Fdd2      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1960.478
      Density (g/cm3):      2.332
      MAX. ABS. INTENSITY / VOLUME**2:      9.685180188    
      RIR:      1.352
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.33        100.00        6.1797    2   2   0         4
                15.56         51.00        5.6944    1   1   1         4
                20.14          4.13        4.4095    0   4   0         2
                20.51          3.10        4.3310    4   0   0         2
                21.13         33.51        4.2050    1   3   1         4
                21.30         43.29        4.1705    3   1   1         4
                22.63          5.56        3.9296    2   4   0         4
                22.88          4.32        3.8875    4   2   0         4
                25.70          3.50        3.4667    3   3   1         4
                28.90          6.71        3.0899    4   4   0         4
                29.35         12.86        3.0431    1   5   1         4
                29.63         16.03        3.0147    0   2   2         2
                29.70          8.52        3.0083    2   0   2         2
                29.74         10.21        3.0041    5   1   1         4
                31.42          6.61        2.8472    2   2   2         4
                32.86         24.14        2.7253    3   5   1         4
                33.10         23.86        2.7064    5   3   1         4
                36.15          2.37        2.4851    2   4   2         4
                36.31          3.13        2.4743    4   2   2         4
                38.74          9.29        2.3241    1   7   1         4
                39.05          2.82        2.3066    5   5   1         4
                39.35          6.59        2.2895    7   1   1         4
                40.54          1.43        2.2255    4   4   2         4
                42.04          1.13        2.1492    7   3   1         4
                42.30          2.82        2.1366    2   8   0         4
                43.01          1.32        2.1030    8   2   0         4
                43.02          1.08        2.1025    2   6   2         4
                43.39          1.33        2.0852    6   2   2         4
                45.43          2.12        1.9964    1   3   3         4
                45.52          2.61        1.9927    3   1   3         4
                47.09          1.02        1.9297    6   4   2         4
                50.41          1.30        1.8103    5   1   3         4
                52.98          1.90        1.7283    2  10   0         4
                53.94          1.93        1.6999   10   2   0         4
                65.57          1.26        1.4236    4   4   4         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.