Sodalite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from the powder pattern of R060436
      Hassan I, Antao S M, Parise J B
      American Mineralogist 89 (2004) 359-364
      Sodalite: High-temperature structures obtained from synchrotron radiation
      and Rietveld refinements
      Sample: T = 28 C

      CELL PARAMETERS:   8.8833  8.8833  8.8833   90.000   90.000   90.000
      SPACE GROUP: P-43n     

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Na     0.17790   0.17790   0.17790     1.000     1.398
            Al     0.25000   0.00000   0.50000     1.000     0.403
            Si     0.25000   0.50000   0.00000     1.000     0.403
            O      0.13974   0.15013   0.43895     1.000     0.189
            Cl     0.00000   0.00000   0.00000     1.000     1.895

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  8 +/-  8 +/-  8
            MAX. ABS. INTENSITY / VOLUME**2:      22.21510659    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                14.10         32.71        6.2814    1   1   0
                19.99          5.71        4.4416    2   0   0
                22.38          1.09        3.9727    2   1   0
                24.55        100.00        3.6266    2   1   1
                31.86          8.99        2.8091    3   1   0
                34.99         18.59        2.5644    2   2   2
                37.90         20.39        2.3742    3   2   1
                40.62          1.36        2.2208    4   0   0
                43.21         13.97        2.0938    3   3   0
                43.21         18.69        2.0938    4   1   1
                45.67          4.77        1.9864    4   2   0
                48.04          3.64        1.8939    3   3   2
                50.32          3.40        1.8133    4   2   2
                52.53          3.49        1.7422    4   3   1
                56.76          2.97        1.6219    5   2   1
                58.80         11.07        1.5704    4   4   0
                60.80          3.22        1.5235    5   3   0
                60.80          2.64        1.5235    4   3   3
                62.76          2.99        1.4805    6   0   0
                62.76          7.21        1.4805    4   4   2
                64.68          9.57        1.4411    5   3   2
                68.45          3.91        1.3707    5   4   1
                70.29          3.79        1.3392    6   2   2
                72.11          4.34        1.3098    6   3   1
                73.92          3.05        1.2822    4   4   4
                79.24          4.79        1.2089    7   2   1
                79.24          3.18        1.2089    6   3   3
                79.24          1.87        1.2089    5   5   2
                82.74          2.43        1.1664    7   3   0
                86.21          1.05        1.1282    7   3   2
                86.21          3.33        1.1282    6   5   1
                89.66          1.14        1.0935    7   4   1
                89.66          1.09        1.0935    8   1   1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.