Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

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          ***      W W W - X R A Y P O L       ***
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NOSEAN

1, f-feldspathoid, s-lazurite, DF

Na(4)Al(3)Si(3)O(12).0.5SO(4)


Cubic  P 4(-)3m  Z = 2

P4(-)3m

12 .8 .1991

Ref.Str.:

         Wyckoff R.W.G. (1965)

         * Crystal Structures, 4, 432

Reserv:

         Positions were not found for the sulfate oxygens

                   Initial data from BDM-file 

   Lattice parameters (cub. angs.,degr.):

             a =   9.06     alpha =   90.0 
             b =   9.06     beta  =   90.0 
             c =   9.06     gamma =   90.0 

    Unit cell volume (cub. angs.) =   743.68

    Molar volume ( cub.cm/mol.) =   223.97

  Co-ordinates, thermal parameters, occupation for atomic positions:

NoP   x/a     y/b     z/c    B(j)   atom  / occupation

   1 0.814   0.814   0.814    0.0    Na    = 0.5 , Na    = 0.0 
   2 0.191   0.191   0.191    0.0    Na    = 0.5 , Na    = 0.0 
   3 0.72    0.72    0.72     0.0    Na    = 0.5 , Na    = 0.0 
   4 0.272   0.272   0.272    0.0    Na    = 0.5 , Na    = 0.0 
   5 0.158   0.158   0.46     0.0    O     = 1.00
   6 0.633   0.633   0.971    0.0    O     = 1.00
   7 0.248   0.0     0.5      0.0    Al    = 0.5 , Si    = 0.5 
   8 0.0     0.0     0.0      0.0    S     = 1.00
   9 0.5     0.5     0.5      0.0    S     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.814      0.814      0.814 
     2       2     0.191      0.191      0.191 
     3       3     0.72       0.72       0.72  
     4       4     0.272      0.272      0.272 
     5       5     0.158      0.158      0.46  
     6       6     0.633      0.633      0.971 
     7       7     0.248      0.0        0.5   
     8       8     0.0        0.0        0.0   
     9       9     0.5        0.5        0.5   
    10       7     0.0        0.248      0.5   
    11       1     0.814      0.186      0.186 
    12       1     0.186      0.186      0.814 
    13       1     0.186      0.814      0.186 
    14       2     0.191      0.809      0.809 
    15       2     0.809      0.809      0.191 
    16       2     0.809      0.191      0.809 
    17       3     0.72       0.28       0.28  
    18       3     0.28       0.28       0.72  
    19       3     0.28       0.72       0.28  
    20       4     0.272      0.728      0.728 
    21       4     0.728      0.728      0.272 
    22       4     0.728      0.272      0.728 
    23       5     0.158      0.842      0.54  
    24       5     0.842      0.842      0.46  
    25       5     0.842      0.158      0.54  
    26       6     0.633      0.367      0.029 
    27       6     0.367      0.367      0.971 
    28       6     0.367      0.633      0.029 
    29       7     0.0        0.752      0.5   
    30       7     0.752      0.0        0.5   
    31       5     0.158      0.46       0.158 
    32       5     0.46       0.158      0.158 
    33       6     0.633      0.971      0.633 
    34       6     0.971      0.633      0.633 
    35       7     0.0        0.5        0.248 
    36       7     0.5        0.248      0.0   
    37       7     0.248      0.5        0.0   
    38       7     0.5        0.0        0.248 
    39       5     0.842      0.54       0.158 
    40       5     0.54       0.158      0.842 
    41       5     0.842      0.46       0.842 
    42       5     0.46       0.842      0.842 
    43       5     0.158      0.54       0.842 
    44       5     0.54       0.842      0.158 
    45       6     0.367      0.029      0.633 
    46       6     0.029      0.633      0.367 
    47       6     0.367      0.971      0.367 
    48       6     0.971      0.367      0.367 
    49       6     0.633      0.029      0.367 
    50       6     0.029      0.367      0.633 
    51       7     0.752      0.5        0.0   
    52       7     0.5        0.0        0.752 
    53       7     0.0        0.5        0.752 
    54       7     0.5        0.752      0.0   


X-ray density (g/cm cub.)   =      2.15

MU (1/cm) =      75.323    Mass attenuation coefficient (cm**2/g) =     35.062

 Selected interatomic distances (cation-anion,anion-anion):

 NoP    Atom              Rad.sph.      C.N.    Distance     NoP N.
                           (angs.)               (angs.)

    1   Na   ,Na             2.808        3
                                                 2.7206       6
                                                 2.7206       6
                                                 2.7206       6
    2   Na   ,Na             2.808        3
                                                 2.4735       5
                                                 2.4735       5
                                                 2.4735       5
    3   Na   ,Na             2.808        3
                                                 2.5326       6
                                                 2.5326       6
                                                 2.5326       6
    4   Na   ,Na             2.808        3
                                                 2.2438       5
                                                 2.2438       5
                                                 2.2438       5
    5    O                   3.264        6
                                                 2.9533       5
                                                 2.9533       5
                                                 2.7218       6
                                                 2.6769       6
                                                 2.6769       6
                                                 2.7218       6
    6    O                   3.264        6
                                                 2.4666       6
                                                 2.4666       6
                                                 2.6769       5
                                                 2.7218       5
                                                 2.7218       5
                                                 2.6769       5
    7   Al   ,Si             2.316        4
                                                 1.6868       5
                                                 1.6868       5
                                                 1.6381       6
                                                 1.6381       6
    8    S                   1.98         0
    9    S                   1.98         0

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.54056(angs.):

  No   H   K   L   Theta 2*Theta    S       LPG   MF        F          I int.
                    ( degree )                                         *100

    1   1   0   0  4.877   9.754   0.055  273.71    6        2.5        1.8
    2   1   1   0  6.906  13.811   0.078  135.38   12       62.1     1133.9
    3   1   1   1  8.468  16.936   0.096   89.29    8       15.7       31.7
    4   2   0   0  9.79   19.58    0.11    66.25    6       33.3       79.6
    5   2   1   0 10.959  21.918   0.123   52.44   24        4.1        3.8
    6   1   1   2 12.02   24.04    0.135   43.24   24       99.7     1864.4
    7   2   2   0 13.914  27.829   0.156   31.75   12       16.0       17.6
    8   2   2   1 14.777  29.554   0.166   27.93   24       10.3       13.0
    9   3   0   0 14.777  29.554   0.166   27.93    6       23.5       16.7
   10   3   1   0 15.596  31.192   0.175   24.87   24       38.5      159.9
   11   1   1   3 16.378  32.757   0.183   22.38   24        0.4        0.0
   12   2   2   2 17.129  34.257   0.191   20.3     8      136.4      546.4
   13   3   2   0 17.851  35.702   0.199   18.55   24       15.1       18.4
   14   3   2   1 18.549  37.098   0.206   17.05   48       47.3      331.5
   15   4   0   0 19.882  39.763   0.221   14.63    6      117.1      217.8
   16   2   2   3 20.521  41.041   0.228   13.63   24        9.6        5.5
   17   4   1   0 20.521  41.041   0.228   13.63   24        8.1        3.9
   18   1   1   4 21.144  42.287   0.234   12.75   24       47.1      122.9
   19   3   3   0 21.144  42.287   0.234   12.75   12      109.4      330.9
   20   3   3   1 21.752  43.504   0.241   11.96   24        4.1        0.9
   21   4   2   0 22.347  44.695   0.247   11.26   24        4.4        1.0
   22   4   2   1 22.93   45.86    0.253   10.62   48        5.2        2.5
   23   3   3   2 23.502  47.004   0.259   10.05   24       46.7       95.2
   24   2   2   4 24.614  49.229   0.27     9.04   24       23.0       20.7
   25   4   3   0 25.157  50.314   0.276    8.61   24        1.8        0.1
   26   5   0   0 25.157  50.314   0.276    8.61    6       40.9       15.6
   27   4   3   1 25.691  51.382   0.281    8.2    48       41.7      123.7
   28   5   1   0 25.691  51.382   0.281    8.2    24       10.2        3.7
   29   1   1   5 26.217  52.435   0.287    7.83   24       13.8        6.5
   30   3   3   3 26.217  52.435   0.287    7.83    8       26.0        7.6
   31   4   3   2 27.248  54.496   0.297    7.18   48       12.6        9.9
   32   5   2   0 27.248  54.496   0.297    7.18   24       12.6        5.0
   33   5   2   1 27.754  55.508   0.302    6.88   48       49.0      143.7
   34   4   4   0 28.747  57.494   0.312    6.35   12      121.2      202.6
   35   2   2   5 29.236  58.471   0.317    6.12   24        8.9        2.1
   36   4   4   1 29.236  58.471   0.317    6.12   24       19.6       10.2
   37   3   3   4 29.719  59.438   0.322    5.9    24       30.8       24.3
   38   5   3   0 29.719  59.438   0.322    5.9    24       27.4       19.2
   39   5   3   1 30.198  60.395   0.326    5.69   48       11.4        6.4
   40   4   4   2 30.672  61.344   0.331    5.5    24       62.5       93.1
   41   6   0   0 30.672  61.344   0.331    5.5     6       98.3       57.6
   42   6   1   0 31.142  62.283   0.336    5.31   24        0.7        0.0
   43   1   1   6 31.608  63.215   0.34     5.14   24       39.3       34.4
   44   5   3   2 31.608  63.215   0.34     5.14   48       73.6      241.6
   45   6   2   0 32.528  65.056   0.349    4.83   24        3.6        0.3
   46   4   4   3 32.983  65.966   0.353    4.69   24        8.9        1.6
   47   5   4   0 32.983  65.966   0.353    4.69   24       19.2        7.5
   48   6   2   1 32.983  65.966   0.353    4.69   48        3.7        0.6
   49   5   4   1 33.435  66.87    0.358    4.56   48       12.8        6.5
   50   3   3   5 33.884  67.768   0.362    4.43   24       31.4       18.9
   51   2   2   6 34.33   68.66    0.366    4.31   24       87.5      143.1
   52   5   4   2 34.773  69.547   0.37     4.2    48       10.0        3.6
   53   6   3   0 34.773  69.547   0.37     4.2    24       33.1       19.9
   54   6   3   1 35.214  70.428   0.374    4.09   48       49.6       87.5
   55   4   4   4 36.089  72.177   0.382    3.9     8      155.7      136.8
   56   6   3   2 36.523  73.045   0.386    3.81   48       12.1        4.8
   57   7   0   0 36.523  73.045   0.386    3.81    6       11.4        0.5
   58   5   4   3 36.955  73.909   0.39     3.73   48       31.4       32.0
   59   5   5   0 36.955  73.909   0.39     3.73   12       29.4        7.0
   60   7   1   0 36.955  73.909   0.39     3.73   24       28.6       13.2
   61   1   1   7 37.385  74.769   0.394    3.65   24        8.3        1.1
   62   5   5   1 37.385  74.769   0.394    3.65   24        4.4        0.3
   63   6   4   0 37.813  75.626   0.398    3.58   24       27.3       11.5
   64   6   4   1 38.24   76.48    0.402    3.51   48       11.8        4.3
   65   7   2   0 38.24   76.48    0.402    3.51   24       20.6        6.5
   66   3   3   6 38.665  77.33    0.406    3.44   24       81.4       98.8
   67   5   5   2 38.665  77.33    0.406    3.44   24       52.2       40.6
   68   7   2   1 38.665  77.33    0.406    3.44   48       68.5      139.9
   69   6   4   2 39.511  79.023   0.413    3.32   48       22.2       14.2
   70   2   2   7 39.933  79.865   0.417    3.26   24       13.8        2.7
   71   4   4   5 39.933  79.865   0.417    3.26   24       14.2        2.8
   72   7   3   0 40.353  80.706   0.42     3.21   24       27.2       10.3
   73   5   5   3 40.772  81.544   0.424    3.16   24        7.7        0.8
   74   7   3   1 40.772  81.544   0.424    3.16   48        7.7        1.6
   75   6   4   3 41.608  83.215   0.431    3.08   48       10.8        3.1
   76   6   5   0 41.608  83.215   0.431    3.08   24       28.9       11.1
   77   6   5   1 42.024  84.049   0.435    3.04   48       42.1       46.8
   78   7   3   2 42.024  84.049   0.435    3.04   48       20.4       11.0
   79   8   0   0 42.856  85.712   0.442    2.97    6       97.0       30.3
   80   6   5   2 43.271  86.542   0.445    2.93   48       13.1        4.4
   81   7   4   0 43.271  86.542   0.445    2.93   24        8.1        0.8
   82   8   1   0 43.271  86.542   0.445    2.93   24        7.8        0.8
   83   1   1   8 43.686  87.372   0.448    2.9    24       28.7       10.4
   84   5   5   4 43.686  87.372   0.448    2.9    24        7.9        0.8
   85   7   4   1 43.686  87.372   0.448    2.9    48       15.6        6.2
   86   3   3   7 44.1    88.201   0.452    2.88   24        4.5        0.3
   87   4   4   6 44.515  89.029   0.455    2.85   24       29.9       11.0
   88   8   2   0 44.515  89.029   0.455    2.85   24       60.5       45.4
   89   7   4   2 44.929  89.858   0.458    2.83   48       14.6        5.3
   90   8   2   1 44.929  89.858   0.458    2.83   48        1.6        0.1


  X-ray diffraction powder data (I)...X-Ray wave length =  1.54056 (angs.):

  No   H   K   L   Theta 2*Theta    d           I int   I int.n.  I p.h.n.   H(Si)
                    ( degree )   (angstrem)     *100                         *100

    1   1   1   0   6.906  13.811  6.40639     1133.9     60.8     61.2     5.6
    2   1   1   1   8.468  16.936  5.23079       31.7      1.7      1.7     5.6
    3   2   0   0   9.79   19.58   4.53          79.6      4.3      4.3     5.6
    4   1   1   2  12.02   24.04   3.69873     1864.4    100.0    100.0     5.6
    5   3   0   0  14.777  29.554  3.02          29.6      1.6      1.6     5.6
    6   3   1   0  15.596  31.192  2.86502      159.9      8.6      8.5     5.6
    7   2   2   2  17.129  34.257  2.6154       546.4     29.3     29.1     5.7
    8   3   2   1  18.549  37.098  2.42139      331.5     17.8     17.6     5.7
    9   4   0   0  19.882  39.763  2.265        217.8     11.7     11.5     5.7
   10   3   3   0  21.144  42.287  2.13546      453.7     24.3     23.9     5.7
   11   3   3   2  23.502  47.004  1.9316        95.2      5.1      5.0     5.7
   12   2   2   4  24.614  49.229  1.84936       20.7      1.1      1.1     5.7
   13   4   3   1  25.691  51.382  1.77681      127.3      6.8      6.7     5.8
   14   5   2   1  27.754  55.508  1.65412      143.7      7.7      7.5     5.8
   15   4   4   0  28.747  57.494  1.6016       202.6     10.9     10.5     5.8
   16   3   3   4  29.719  59.438  1.55378       43.4      2.3      2.2     5.8
   17   4   4   2  30.672  61.344  1.51         150.7      8.1      7.8     5.8
   18   5   3   2  31.608  63.215  1.46973      276.0     14.8     14.2     5.9
   19   3   3   5  33.884  67.768  1.38164       18.9      1.0      1.0     5.9
   20   2   2   6  34.33   68.66   1.36585      143.1      7.7      7.3     5.9
   21   6   3   0  34.773  69.547  1.35059       23.5      1.3      1.2     5.9
   22   6   3   1  35.214  70.428  1.33582       87.5      4.7      4.4     5.9
   23   4   4   4  36.089  72.177  1.3077       136.8      7.3      6.9     5.9
   24   5   4   3  36.955  73.909  1.28128       52.2      2.8      2.6     6.0
   25   7   2   1  38.665  77.33   1.23291      279.3     15.0     14.0     6.0
   26   6   5   1  42.024  84.049  1.15062       57.8      3.1      2.8     6.1
   27   8   0   0  42.856  85.712  1.1325        30.3      1.6      1.5     6.1
   28   8   2   0  44.515  89.029  1.09869       56.4      3.0      2.7     6.2

Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)