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

                            ***

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

3, f-perrierite

(Ce,Ca)(4)Fe''(Ti,Fe''',Nb)(4)Si(4)O(22)


Monoclinic  C 2/m  Z = 2

R =0.057          NR =1180

26 .7 .1905

Ref.Str.:

         E. Sokolova, F.C. Hawthorne, G.D. Ventura, P.M. Kartashov (2004)

         * Canad. Mineral., 42, 1013-1025

Reserv:

         There are U(ij) in the article. The specimen from Mongolia. D.T.N.

                   Initial data from BDM-file 

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

             a =  13.368    alpha =   90.0 
             b =   5.7243   beta  =  100.52
             c =  11.041    gamma =   90.0 

    Unit cell volume (cub. angs.) =   830.69

    Molar volume ( cub.cm/mol.) =   250.18

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

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

   1 0.3569  0.0     0.7362   0.0    Ce    = 0.47, La    = 0.46, Ca    = 0.07
   2 0.0705  0.0     0.7426   0.0    Ce    = 0.47, La    = 0.46, Ca    = 0.07
   3 0.5     0.0     0.5      0.0    Fe    = 0.93, Mn    = 0.06, Zr    = 0.01
   4 0.25    0.25    0.0      0.0    Fe    = 0.64, Ti    = 0.28, Nb    = 0.08
   5 0.0     0.0     0.0      0.0    Ti    = 1.00
   6 0.5     0.0     0.0      0.0    Ti    = 1.00
   7 0.2014  0.5     0.731    0.0    Si    = 1.00
   8 0.3588  0.5     0.5447   0.0    Si    = 1.00
   9 0.478   0.2517  0.8734   0.0    O     = 1.00
  10 0.1461  0.0     0.978    0.0    O     = 1.00
  11 0.1872  0.0     0.5969   0.0    O     = 1.00
  12 0.3479  0.0     0.9886   0.0    O     = 1.00
  13 0.4264  0.2708  0.5915   0.0    O     = 1.00
  14 0.2273  0.2649  0.8137   0.0    O     = 1.00
  15 0.0833  0.5     0.6683   0.0    O     = 1.00
  16 0.2719  0.5     0.6291   0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.3569     0.0        0.7362
     2       2     0.0705     0.0        0.7426
     3       3     0.5        0.0        0.5   
     4       4     0.25       0.25       0.0   
     5       5     0.0        0.0        0.0   
     6       6     0.5        0.0        0.0   
     7       7     0.2014     0.5        0.731 
     8       8     0.3588     0.5        0.5447
     9       9     0.478      0.2517     0.8734
    10      10     0.1461     0.0        0.978 
    11      11     0.1872     0.0        0.5969
    12      12     0.3479     0.0        0.9886
    13      13     0.4264     0.2708     0.5915
    14      14     0.2273     0.2649     0.8137
    15      15     0.0833     0.5        0.6683
    16      16     0.2719     0.5        0.6291
    17       1     0.6431     0.0        0.2638
    18       2     0.9295     0.0        0.2574
    19       4     0.75       0.75       0.0   
    20       7     0.7986     0.5        0.269 
    21       8     0.6412     0.5        0.4553
    22       9     0.522      0.7483     0.1266
    23      10     0.8539     0.0        0.022 
    24      11     0.8128     0.0        0.4031
    25      12     0.6521     0.0        0.0114
    26      13     0.5736     0.7292     0.4085
    27      14     0.7727     0.7351     0.1863
    28      15     0.9167     0.5        0.3317
    29      16     0.7281     0.5        0.3709
    30       4     0.25       0.75       0.0   
    31       9     0.478      0.7483     0.8734
    32      13     0.4264     0.7292     0.5915
    33      14     0.2273     0.7351     0.8137
    34       4     0.75       0.25       0.0   
    35       9     0.522      0.2517     0.1266
    36      13     0.5736     0.2708     0.4085
    37      14     0.7727     0.2649     0.1863
    38       1     0.8569     0.5        0.7362
    39       2     0.5705     0.5        0.7426
    40       3     0.0        0.5        0.5   
    41       5     0.5        0.5        0.0   
    42       6     0.0        0.5        0.0   
    43       7     0.7014     0.0        0.731 
    44       8     0.8588     0.0        0.5447
    45       9     0.978      0.2483     0.8734
    46      10     0.6461     0.5        0.978 
    47      11     0.6872     0.5        0.5969
    48      12     0.8479     0.5        0.9886
    49      13     0.9264     0.2292     0.5915
    50      14     0.7273     0.2351     0.8137
    51      15     0.5833     0.0        0.6683
    52      16     0.7719     0.0        0.6291
    53       1     0.1431     0.5        0.2638
    54       2     0.4295     0.5        0.2574
    55       7     0.2986     0.0        0.269 
    56       8     0.1412     0.0        0.4553
    57       9     0.022      0.7517     0.1266
    58      10     0.3539     0.5        0.022 
    59      11     0.3128     0.5        0.4031
    60      12     0.1521     0.5        0.0114
    61      13     0.0736     0.7708     0.4085
    62      14     0.2727     0.7649     0.1863
    63      15     0.4167     0.0        0.3317
    64      16     0.2281     0.0        0.3709
    65       9     0.978      0.7517     0.8734
    66      13     0.9264     0.7708     0.5915
    67      14     0.7273     0.7649     0.8137
    68       9     0.022      0.2483     0.1266
    69      13     0.0736     0.2292     0.4085
    70      14     0.2727     0.2351     0.1863


X-ray density (g/cm cub.)   =      5.03

MU (1/cm) =    1311.098    Mass attenuation coefficient (cm**2/g) =    260.423

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

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

    1   Ce   ,La   ,Ca       2.88         8
                                                 2.4685       9
                                                 2.4983      11
                                                 2.8108      12
                                                 2.5221      13
                                                 2.5642      14
                                                 2.4685       9
                                                 2.5221      13
                                                 2.5642      14
    2   Ce   ,La   ,Ca       2.88         8
                                                 2.6105      10
                                                 2.437       11
                                                 2.5898      14
                                                 2.5898      14
                                                 2.5071       9
                                                 2.6542      13
                                                 2.5071       9
                                                 2.6542      13
    3   Fe   ,Mn   ,Zr       2.724        6
                                                 2.1805      13
                                                 2.1805      13
                                                 2.1805      13
                                                 2.1805      13
                                                 1.9843      15
                                                 1.9843      15
    4   Fe   ,Ti   ,Nb       2.592        6
                                                 1.9781      10
                                                 1.9588      12
                                                 2.0255      14
                                                 1.9781      10
                                                 1.9588      12
                                                 2.0255      14
    5    Ti                  2.568        6
                                                 2.0116      10
                                                 2.0116      10
                                                 1.9775       9
                                                 1.9775       9
                                                 1.9775       9
                                                 1.9775       9
    6    Ti                  2.568        6
                                                 1.9915       9
                                                 2.0141      12
                                                 1.9915       9
                                                 2.0141      12
                                                 1.9915       9
                                                 1.9915       9
    7    Si                  2.1          4
                                                 1.6277      14
                                                 1.604       15
                                                 1.5941      16
                                                 1.6277      14
    8    Si                  2.1          4
                                                 1.6231      13
                                                 1.6165      16
                                                 1.6231      13
                                                 1.5721      11
    9    O                   3.264        9
                                                 2.7433      12
                                                 3.0646      13
                                                 2.9189      12
                                                 2.8427       9
                                                 2.8816       9
                                                 2.7497       9
                                                 2.7306      10
                                                 3.217       15
                                                 2.9082      10
   10    O                   3.264       11
                                                 2.6788      12
                                                 2.7363      14
                                                 2.7363      14
                                                 2.7306       9
                                                 2.9082       9
                                                 2.8851      12
                                                 2.8851      12
                                                 2.923       14
                                                 2.7306       9
                                                 2.9082       9
                                                 2.923       14
   11    O                   3.264        7
                                                 2.8014      14
                                                 3.0746      16
                                                 3.0746      16
                                                 2.8014      14
                                                 2.6835      13
                                                 2.6501      16
                                                 2.6835      13
   12    O                   3.264       11
                                                 2.7433       9
                                                 2.6788      10
                                                 2.737       14
                                                 2.9189       9
                                                 2.7433       9
                                                 2.737       14
                                                 2.9189       9
                                                 2.8851      10
                                                 2.8851      10
                                                 2.8961      14
                                                 2.8961      14
   13    O                   3.264        8
                                                 3.0646       9
                                                 2.5441      16
                                                 2.624       13
                                                 3.1003      13
                                                 3.0669      13
                                                 2.6215      15
                                                 2.6835      11
                                                 3.2422      15
   14    O                   3.264        9
                                                 2.7363      10
                                                 2.8014      11
                                                 2.737       12
                                                 2.6393      15
                                                 2.6008      16
                                                 2.6916      14
                                                 3.0327      14
                                                 2.923       10
                                                 2.8961      12
   15    O                   3.264        9
                                                 2.6393      14
                                                 2.6348      16
                                                 2.6393      14
                                                 3.217        9
                                                 2.6215      13
                                                 3.2422      13
                                                 3.217        9
                                                 2.6215      13
                                                 3.2422      13
   16    O                   3.264        8
                                                 3.0746      11
                                                 3.0746      11
                                                 2.5441      13
                                                 2.6008      14
                                                 2.6348      15
                                                 2.5441      13
                                                 2.6008      14
                                                 2.6501      11

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.78892(angs.):

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

    1   0   0   1  4.726   9.453   0.046  291.6     2       64.5      351.3
    2   2   0   0  7.823  15.645   0.076  105.01    2       47.6       69.0
    3   2   0  -1  8.376  16.753   0.081   91.31    2       36.4       35.1
    4   0   0   2  9.485  18.97    0.092   70.72    2      151.8      472.6
    5   1   1   0  9.813  19.626   0.095   65.93    4       22.5       19.3
    6   2   0   1  9.874  19.749   0.096   65.09    2       69.1       90.2
    7   1   1  -1 10.592  21.185   0.103   56.28    4      147.1      705.7
    8   2   0  -2 11.165  22.33    0.108   50.45    2       45.6       30.4
    9   1   1   1 11.223  22.447   0.109   49.9     4      181.8      955.5
   10   1   1  -2 13.196  26.391   0.128   35.53    4       62.7       81.0
   11   2   0   2 13.421  26.841   0.13    34.28    2       43.4       18.7
   12   1   1   2 14.215  28.429   0.137   30.34    4       25.7       11.6
   13   0   0   3 14.311  28.623   0.138   29.9     2      200.8      349.3
   14   3   1   0 14.898  29.795   0.144   27.45    4      136.7      297.5
   15   3   1  -1 14.972  29.945   0.144   27.15    4      186.3      546.4
   16   2   0  -3 15.041  30.082   0.145   26.89    2       10.7        0.9
   17   4   0  -1 15.642  31.285   0.151   24.72    2        4.1        0.1
   18   4   0   0 15.796  31.592   0.152   24.2     2       10.5        0.8
   19   3   1   1 16.327  32.654   0.157   22.53    4      356.7     1662.2
   20   3   1  -2 16.532  33.065   0.159   21.93    4      316.1     1270.2
   21   1   1  -3 16.849  33.697   0.162   21.05    4      184.8      416.7
   22   4   0  -2 16.939  33.877   0.163   20.8     2      319.8      616.5
   23   4   0   1 17.365  34.73    0.167   19.71    2      337.9      652.0
   24   2   0   3 17.648  35.296   0.169   19.02    2      126.0       87.6
   25   1   1   3 18.078  36.155   0.173   18.05    4      184.5      356.1
   26   0   2   0 18.211  36.422   0.175   17.76    2      447.0     1028.4
   27   0   2   1 18.856  37.712   0.181   16.45    4      137.7      180.7
   28   3   1   2 18.957  37.914   0.182   16.25    4      317.1      947.6
   29   0   0   4 19.244  38.487   0.184   15.72    2      495.1     1117.3
   30   3   1  -3 19.258  38.515   0.184   15.7     4      389.0     1377.1
   31   4   0  -3 19.428  38.857   0.186   15.4     2      259.1      299.5
   32   2   0  -4 19.441  38.882   0.186   15.37    2       19.5        1.7
   33   2   2   0 19.93   39.859   0.191   14.55    4      150.2      190.3
   34   4   0   2 20.058  40.116   0.192   14.34    2      230.3      220.4
   35   2   2  -1 20.169  40.339   0.193   14.17    4      115.1      108.9
   36   0   2   2 20.689  41.379   0.197   13.39    4      273.0      578.4
   37   2   2   1 20.884  41.767   0.199   13.11    4      147.3      164.8
   38   1   1  -4 21.091  42.181   0.201   12.82    4       57.5       24.6
   39   2   2  -2 21.57   43.14    0.206   12.19    4       92.7       60.8
   40   5   1  -1 21.703  43.407   0.207   12.02    4       77.0       41.3
   41   5   1   0 21.989  43.978   0.209   11.68    4      111.4       83.9
   42   2   0   4 22.262  44.525   0.212   11.36    2       57.8       11.0
   43   3   1   3 22.433  44.866   0.213   11.16    4      160.8      167.3
   44   1   1   4 22.453  44.905   0.213   11.14    4       71.2       32.7
   45   5   1  -2 22.536  45.071   0.214   11.05    4       23.9        3.7
   46   4   0  -4 22.785  45.57    0.216   10.78    2      187.0      109.2
   47   3   1  -4 22.8    45.599   0.217   10.76    4      106.8       71.2
   48   2   2   2 22.909  45.819   0.218   10.64    4       55.5       19.0
   49   5   1   1 23.36   46.721   0.222   10.18    4       37.5        8.3
   50   0   2   3 23.482  46.963   0.223   10.07    4      145.7      123.9
   51   4   0   3 23.56   47.12    0.223    9.99    2      260.0      195.8
   52   6   0  -1 23.675  47.349   0.224    9.88    2      242.3      168.1
   53   2   2  -3 23.967  47.935   0.227    9.61    4       26.8        4.0
   54   6   0   0 24.099  48.199   0.228    9.49    2       14.2        0.6
   55   2   0  -5 24.181  48.362   0.229    9.42    2       76.4       15.9
   56   6   0  -2 24.298  48.597   0.23     9.31    2      174.9       82.6
   57   0   0   5 24.329  48.659   0.23     9.29    2       69.3       12.9
   58   4   2  -1 24.378  48.756   0.231    9.25    4      367.3      723.1
   59   5   1  -3 24.396  48.791   0.231    9.23    4       37.7        7.6
   60   4   2   0 24.484  48.969   0.232    9.15    4      264.7      371.8
   61   4   2  -2 25.294  50.587   0.239    8.5     4      193.6      184.8
   62   6   0   1 25.534  51.067   0.241    8.32    2      243.6      143.1
   63   4   2   1 25.603  51.206   0.242    8.27    4      175.7      148.0
   64   5   1   2 25.683  51.365   0.242    8.21    4       67.1       21.4
   65   1   1  -5 25.735  51.471   0.243    8.17    4      101.9       49.2
   66   2   2   3 25.811  51.622   0.243    8.12    4      102.8       49.7
   67   6   0  -3 25.914  51.828   0.244    8.04    2      198.3       91.7
   68   3   1   4 26.514  53.028   0.25     7.64    4      245.6      266.9
   69   4   0  -5 26.772  53.544   0.252    7.47    2       46.5        4.7
   70   3   1  -5 26.93   53.861   0.253    7.37    4      282.8      341.8
   71   0   2   4 27.013  54.026   0.254    7.32    4      434.2      799.8
   72   5   1  -4 27.126  54.252   0.255    7.25    4       92.4       35.9
   73   4   2  -3 27.155  54.311   0.255    7.23    4      116.3       56.7
   74   2   2  -4 27.165  54.33    0.255    7.23    4      258.9      280.8
   75   2   0   5 27.185  54.37    0.255    7.21    2      162.4       55.1
   76   1   1   5 27.205  54.41    0.256    7.2     4      234.3      229.1
   77   4   2   2 27.646  55.291   0.259    6.94    4      125.8       63.6
   78   4   0   4 27.658  55.316   0.259    6.94    2       28.8        1.7
   79   6   0   2 27.864  55.729   0.261    6.82    2       69.9        9.7
   80   1   3   0 28.274  56.547   0.265    6.6     4        2.1        0.0
   81   6   0  -4 28.401  56.802   0.266    6.53    2       15.0        0.4
   82   1   3  -1 28.598  57.196   0.268    6.43    4      126.2       59.4
   83   5   1   3 28.794  57.589   0.269    6.33    4       72.8       19.5
   84   1   3   1 28.876  57.753   0.27     6.29    4      183.1      122.3
   85   2   0  -6 29.225  58.449   0.273    6.12    2      133.6       31.7
   86   2   2   4 29.414  58.827   0.275    6.03    4      264.4      244.5
   87   7   1  -1 29.589  59.178   0.276    5.95    4       16.7        1.0
   88   0   0   6 29.629  59.258   0.276    5.94    2      127.6       28.0
   89   1   3  -2 29.83   59.661   0.278    5.85    4       58.7       11.7
   90   4   2  -4 29.844  59.688   0.278    5.84    4      161.5       88.3
   91   7   1  -2 29.99   59.98    0.279    5.78    4      289.2      280.2
   92   7   1   0 30.089  60.178   0.28     5.74    4      288.5      276.8
   93   1   3   2 30.371  60.742   0.283    5.62    4       35.1        4.0
   94   4   2   3 30.489  60.978   0.284    5.57    4      189.3      115.6
   95   5   1  -5 30.576  61.152   0.284    5.53    4       54.4        9.5
   96   6   2  -1 30.585  61.171   0.284    5.53    4      162.4       84.5
   97   1   1  -6 30.734  61.468   0.286    5.47    4       80.0       20.3
   98   3   3   0 30.75   61.501   0.286    5.46    4      108.6       37.3
   99   3   3  -1 30.793  61.585   0.286    5.45    4      160.0       80.8
  100   6   2   0 30.943  61.887   0.287    5.39    4      185.1      107.1
  101   6   0   3 30.962  61.923   0.288    5.38    2      284.1      125.9
  102   2   2  -5 31.012  62.024   0.288    5.36    4      128.5       51.3
  103   3   1   5 31.082  62.164   0.289    5.34    4      154.3       73.6
  104   6   2  -2 31.112  62.223   0.289    5.32    4      295.1      268.8
  105   0   2   5 31.138  62.276   0.289    5.31    4      163.9       82.8
  106   4   0  -6 31.267  62.534   0.29     5.27    2      376.7      216.6
  107   7   1  -3 31.272  62.544   0.29     5.26    4       73.4       16.4
  108   7   1   1 31.465  62.931   0.292    5.19    4       48.3        7.0
  109   3   1  -6 31.542  63.085   0.292    5.17    4      137.7       56.8
  110   3   3   1 31.587  63.174   0.293    5.15    4      286.0      244.1
  111   6   0  -5 31.631  63.263   0.293    5.13    2      334.4      166.4
  112   3   3  -2 31.712  63.423   0.294    5.11    4      226.9      152.4
  113   1   3  -3 31.906  63.812   0.295    5.04    4      151.7       67.2
  114   6   2   1 32.168  64.337   0.298    4.95    4      288.8      239.3
  115   4   0   5 32.251  64.503   0.298    4.92    2      317.5      143.8
  116   1   1   6 32.313  64.626   0.299    4.9     4      129.1       47.3
  117   8   0  -1 32.381  64.763   0.299    4.88    2      373.2      196.9
  118   2   0   6 32.425  64.849   0.3      4.87    2       19.9        0.6
  119   6   2  -3 32.497  64.995   0.3      4.84    4      240.7      162.6
  120   5   1   4 32.568  65.135   0.301    4.82    4      223.9      140.0
  121   8   0  -2 32.634  65.268   0.301    4.8     2      254.4       90.0
  122   1   3   3 32.685  65.37    0.302    4.78    4      154.7       66.4
  123   8   0   0 32.986  65.971   0.304    4.69    2       98.3       13.1
  124   4   2  -5 33.246  66.492   0.306    4.61    4      148.6       59.0
  125   3   3   2 33.265  66.53    0.307    4.61    4      283.8      215.1
  126   7   1  -4 33.377  66.755   0.308    4.57    4      259.4      178.4
  127   3   3  -3 33.467  66.934   0.308    4.55    4      310.0      253.3
  128   2   2   5 33.609  67.218   0.309    4.51    4       55.4        8.0
  129   7   1   2 33.657  67.314   0.31     4.49    4      225.6      132.6
  130   8   0  -3 33.733  67.466   0.31     4.47    2      150.4       29.3
  131   4   2   4 34.027  68.055   0.313    4.39    4      143.2       52.2
  132   6   2   2 34.211  68.421   0.314    4.34    4      177.7       79.5
  133   8   0   1 34.423  68.846   0.316    4.29    2      115.7       16.6
  134   2   0  -7 34.606  69.211   0.317    4.24    2       26.9        0.9
  135   5   1  -6 34.646  69.293   0.318    4.23    4       76.5       14.4
  136   6   2  -4 34.689  69.377   0.318    4.22    4      110.8       30.0
  137   6   0   4 34.724  69.449   0.318    4.21    2       39.7        1.9
  138   1   3  -4 34.745  69.49    0.319    4.21    4       19.7        0.9
  139   5   3  -1 35.188  70.377   0.322    4.1     4       42.4        4.3
  140   0   0   7 35.224  70.448   0.322    4.09    2      289.2       99.2
  141   5   3   0 35.398  70.795   0.324    4.05    4       82.4       15.9
  142   2   2  -6 35.429  70.857   0.324    4.04    4       92.8       20.2
  143   6   0  -6 35.514  71.029   0.325    4.03    2      158.0       29.1
  144   8   0  -4 35.64   71.28    0.326    4.0     2      135.6       21.3
  145   3   3   3 35.726  71.452   0.326    3.98    4      113.3       29.6
  146   1   3   4 35.741  71.481   0.327    3.98    4       57.7        7.7
  147   0   2   6 35.794  71.588   0.327    3.96    4      242.8      135.4
  148   5   3  -2 35.802  71.605   0.327    3.96    4       29.3        2.0
  149   3   3  -4 36.0    72.0     0.329    3.92    4       92.2       19.3
  150   3   1   6 36.112  72.224   0.329    3.9     4      228.6      118.0
  151   1   1  -7 36.114  72.229   0.329    3.9     4      180.1       73.2
  152   7   1  -5 36.238  72.475   0.33     3.87    4       95.5       20.5
  153   4   0  -7 36.239  72.478   0.33     3.87    2       94.6       10.0
  154   5   3   1 36.424  72.849   0.332    3.83    4       15.1        0.5
  155   7   1   3 36.597  73.194   0.333    3.8     4        6.6        0.1
  156   3   1  -7 36.618  73.236   0.333    3.79    4      341.9      257.0
  157   8   0   2 36.649  73.299   0.334    3.79    2      200.0       43.9
  158   5   1   5 36.935  73.871   0.336    3.73    4       76.2       12.6
  159   6   2   3 37.009  74.018   0.336    3.72    4       70.5       10.7
  160   5   3  -3 37.223  74.446   0.338    3.68    4        8.8        0.2
  161   4   2  -6 37.29   74.58    0.339    3.67    4      163.3       56.7
  162   4   0   6 37.325  74.649   0.339    3.66    2      211.3       47.4
  163   6   2  -5 37.626  75.252   0.341    3.61    4       67.2        9.4
  164   1   1   7 37.823  75.646   0.343    3.57    4      119.8       29.7
  165   2   0   7 38.048  76.096   0.345    3.54    2        7.9        0.1
  166   4   2   5 38.2    76.4     0.346    3.51    4      158.6       51.2
  167   5   3   2 38.243  76.485   0.346    3.5     4       52.9        5.7
  168   1   3  -5 38.285  76.57    0.346    3.5     4       94.1       18.0
  169   8   0  -5 38.308  76.616   0.347    3.49    2      219.6       48.9
  170   8   2  -1 38.321  76.642   0.347    3.49    4       84.7       14.5
  171   2   2   6 38.361  76.722   0.347    3.49    4      196.9       78.3
  172   9   1  -1 38.523  77.046   0.348    3.46    4       18.3        0.7
  173   8   2  -2 38.556  77.112   0.348    3.46    4       31.8        2.0
  174   9   1  -2 38.638  77.275   0.349    3.44    4       38.8        3.0
  175   0   4   0 38.684  77.368   0.349    3.44    2      630.7      396.2
  176   8   2   0 38.884  77.768   0.351    3.41    4       33.5        2.2
  177   3   3   4 38.916  77.833   0.351    3.4     4      213.7       90.0
  178   0   4   1 39.082  78.164   0.352    3.38    4       34.9        2.4
  179   6   0   5 39.106  78.213   0.353    3.37    2      138.2       18.7
  180   9   1   0 39.205  78.41    0.353    3.36    4       99.0       19.1
  181   3   3  -5 39.258  78.516   0.354    3.35    4      256.9      128.3
  182   5   1  -7 39.303  78.607   0.354    3.35    4       36.1        2.5
  183   5   3  -4 39.42   78.839   0.355    3.33    4       66.3        8.5
  184   1   3   5 39.485  78.97    0.355    3.32    4      181.0       63.1
  185   9   1  -3 39.546  79.093   0.356    3.31    4      120.8       28.0
  186   8   2  -3 39.585  79.169   0.356    3.31    4      201.7       78.0
  187   8   0   3 39.619  79.237   0.356    3.3     2      218.7       45.8
  188   2   4   0 39.768  79.535   0.358    3.28    4       35.2        2.4
  189   7   1  -6 39.803  79.606   0.358    3.28    4      194.4       71.9
  190   2   4  -1 39.925  79.849   0.359    3.26    4       19.4        0.7
  191   6   0  -7 40.015  80.03    0.359    3.25    2      131.8       16.4
  192   8   2   1 40.236  80.471   0.361    3.23    4      230.7       99.5
  193   7   1   4 40.239  80.478   0.361    3.23    4      258.5      124.9
  194   0   4   2 40.27   80.539   0.361    3.22    4      127.8       30.5
  195   2   4   1 40.4    80.801   0.362    3.21    4       45.9        3.9
  196   2   2  -7 40.408  80.817   0.362    3.2     4       74.2       10.2
  197   2   0  -8 40.413  80.826   0.362    3.2     2      116.9       12.7
  198   6   2   4 40.521  81.042   0.363    3.19    4      181.5       60.9
  199   9   1   1 40.673  81.345   0.364    3.17    4       91.0       15.2
  200   5   3   3 40.822  81.643   0.365    3.16    4       66.5        8.1
  201   2   4  -2 40.869  81.738   0.366    3.15    4       38.4        2.7
  202   0   2   7 40.995  81.991   0.367    3.14    4       94.6       16.3
  203   9   1  -4 41.236  82.472   0.368    3.11    4      196.5       69.7
  204   0   0   8 41.237  82.474   0.368    3.11    2      388.3      136.0
  205   6   2  -6 41.272  82.544   0.369    3.11    4      303.5      166.0
  206   8   2  -4 41.392  82.784   0.37     3.1     4       30.6        1.7
  207   7   3  -1 41.504  83.009   0.37     3.09    4        5.0        0.0
  208   3   1   7 41.655  83.31    0.372    3.07    4       82.3       12.0
  209   8   0  -6 41.702  83.404   0.372    3.07    2      109.3       10.6
  210   4   0  -8 41.733  83.467   0.372    3.06    2       35.5        1.1
  211   2   4   2 41.815  83.63    0.373    3.06    4       13.3        0.3
  212   7   3  -2 41.853  83.705   0.373    3.05    4      266.4      125.5
  213   5   1   6 41.901  83.801   0.373    3.05    4       28.5        1.4
  214   7   3   0 41.939  83.878   0.374    3.04    4      247.2      107.8
  215   4   2  -7 41.965  83.93    0.374    3.04    4        5.1        0.0
  216   1   1  -8 41.968  83.936   0.374    3.04    4      107.3       20.3
  217  10   0  -2 42.093  84.186   0.375    3.03    2       71.4        4.5
  218  10   0  -1 42.099  84.197   0.375    3.03    2      155.8       21.3
  219   3   1  -8 42.216  84.432   0.376    3.02    4        6.4        0.1
  220   0   4   3 42.232  84.464   0.376    3.02    4      131.2       30.1
  221   8   2   2 42.359  84.718   0.377    3.01    4      211.7       78.1
  222   5   3  -5 42.366  84.731   0.377    3.01    4       61.5        6.6
  223   1   3  -6 42.505  85.01    0.378    2.99    4       60.8        6.4
  224   2   4  -3 42.591  85.182   0.378    2.99    4       18.7        0.6
  225   3   3   5 42.813  85.625   0.38     2.97    4      137.7       32.6
  226  10   0  -3 42.868  85.736   0.38     2.96    2      221.8       42.2
  227  10   0   0 42.886  85.771   0.38     2.96    2      152.8       20.0
  228   4   4  -1 42.899  85.798   0.381    2.96    4       28.1        1.4
  229   9   1   2 42.91   85.819   0.381    2.96    4       40.6        2.8
  230   4   0   7 42.94   85.88    0.381    2.96    2      137.7       16.3
  231   4   4   0 42.979  85.958   0.381    2.96    4       15.6        0.4
  232   7   3  -3 42.981  85.963   0.381    2.96    4       54.7        5.1
  233   4   2   6 43.01   86.02    0.381    2.95    4       41.6        3.0
  234   7   3   1 43.154  86.307   0.382    2.94    4       17.1        0.5
  235   3   3  -6 43.222  86.445   0.383    2.94    4      118.3       23.8
  236   8   0   4 43.31   86.621   0.383    2.93    2       65.0        3.6
  237   4   4  -2 43.598  87.196   0.385    2.91    4      239.1       96.4
  238   9   1  -5 43.692  87.383   0.386    2.9     4       27.6        1.3
  239   2   2   7 43.711  87.423   0.386    2.9     4       21.8        0.8
  240   4   4   1 43.839  87.677   0.387    2.89    4      252.2      106.7
  241   1   1   8 43.85   87.7     0.387    2.89    4      124.2       25.9
  242   1   3   6 43.915  87.83    0.388    2.89    4       90.9       13.8
  243   8   2  -5 43.964  87.928   0.388    2.89    4      191.8       61.6
  244   2   4   3 44.001  88.002   0.388    2.88    4       77.2       10.0
  245   7   1  -7 44.067  88.135   0.389    2.88    4       67.2        7.5
  246   6   0   6 44.13   88.26    0.389    2.88    2       36.4        1.1
  247   5   3   4 44.146  88.291   0.389    2.88    4      211.2       74.3
  248   2   0   8 44.185  88.371   0.39     2.87    2       61.6        3.2
  249  10   0  -4 44.42   88.841   0.391    2.86    2       78.7        5.1
  250  10   0   1 44.449  88.898   0.391    2.86    2      226.5       42.5
  251   7   1   5 44.583  89.165   0.392    2.85    4       65.1        7.0
  252   5   1  -8 44.589  89.179   0.392    2.85    4        3.4        0.0
  253   6   2   5 44.744  89.487   0.393    2.84    4      332.3      181.8
  254   7   3  -4 44.885  89.77    0.394    2.83    4      244.7       98.4
  255   0   4   4 44.959  89.918   0.395    2.83    4      377.5      233.8


  X-ray diffraction powder data (I)...X-Ray wave length =  1.78892 (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   0   0   1   4.726   9.453 10.85556      351.3     14.1     14.4     5.6
    2   2   0   0   7.823  15.645  6.57174       69.0      2.8      2.8     5.6
    3   2   0  -1   8.376  16.753  6.14018       35.1      1.4      1.4     5.6
    4   0   0   2   9.485  18.97   5.42778      472.6     18.9     19.2     5.6
    5   2   0   1   9.874  19.749  5.21589       90.2      3.6      3.7     5.6
    6   1   1  -1  10.592  21.185  4.86595      705.7     28.3     28.7     5.6
    7   2   0  -2  11.165  22.33   4.6193        30.4      1.2      1.2     5.6
    8   1   1   1  11.223  22.447  4.59554      955.5     38.3     38.8     5.6
    9   1   1  -2  13.196  26.391  3.9183        81.0      3.2      3.3     5.6
   10   0   0   3  14.311  28.623  3.61852      349.3     14.0     14.1     5.6
   11   3   1   0  14.898  29.795  3.47911      297.5     11.9     12.0     5.6
   12   3   1  -1  14.972  29.945  3.46216      546.4     21.9     22.1     5.6
   13   3   1   1  16.327  32.654  3.1818      1662.2     66.6     67.0     5.6
   14   3   1  -2  16.532  33.065  3.14332     1270.2     50.9     51.2     5.6
   15   1   1  -3  16.849  33.697  3.086        416.7     16.7     16.8     5.7
   16   4   0  -2  16.939  33.877  3.07009      616.5     24.7     24.8     5.7
   17   4   0   1  17.365  34.73   2.99694      652.0     26.1     26.2     5.7
   18   2   0   3  17.648  35.296  2.95041       87.6      3.5      3.5     5.7
   19   1   1   3  18.078  36.155  2.8825       356.1     14.3     14.3     5.7
   20   0   2   0  18.211  36.422  2.86215     1028.4     41.2     41.3     5.7
   21   0   2   1  18.856  37.712  2.76757      180.7      7.2      7.3     5.7
   22   3   1   2  18.957  37.914  2.75335      947.6     38.0     38.0     5.7
   23   3   1  -3  19.258  38.515  2.71199     2494.4    100.0    100.0     5.7
   24   4   0  -3  19.428  38.857  2.68907      301.2     12.1     12.1     5.7
   25   2   2   0  19.93   39.859  2.62408      190.3      7.6      7.6     5.7
   26   4   0   2  20.058  40.116  2.60795      220.4      8.8      8.8     5.7
   27   2   2  -1  20.169  40.339  2.59416      108.9      4.4      4.4     5.7
   28   0   2   2  20.689  41.379  2.53173      578.4     23.2     23.1     5.7
   29   2   2   1  20.884  41.767  2.5092       164.8      6.6      6.6     5.7
   30   2   2  -2  21.57   43.14   2.43298       60.8      2.4      2.4     5.7
   31   5   1  -1  21.703  43.407  2.41875       41.3      1.7      1.6     5.7
   32   5   1   0  21.989  43.978  2.38885       83.9      3.4      3.3     5.7
   33   3   1   3  22.433  44.866  2.34395      200.0      8.0      8.0     5.7
   34   4   0  -4  22.785  45.57   2.30965      180.4      7.2      7.2     5.7
   35   0   2   3  23.482  46.963  2.24481      123.9      5.0      4.9     5.7
   36   4   0   3  23.56   47.12   2.23779      195.8      7.8      7.8     5.7
   37   6   0  -1  23.675  47.349  2.22757      168.1      6.7      6.7     5.7
   38   6   0  -2  24.298  48.597  2.17373       82.6      3.3      3.3     5.7
   39   4   2  -1  24.378  48.756  2.16705      730.7     29.3     29.0     5.7
   40   4   2   0  24.484  48.969  2.15821      371.8     14.9     14.7     5.7
   41   4   2  -2  25.294  50.587  2.0935       184.8      7.4      7.3     5.8
   42   6   0   1  25.534  51.067  2.07512      143.1      5.7      5.7     5.8
   43   4   2   1  25.603  51.206  2.06986      148.0      5.9      5.8     5.8
   44   1   1  -5  25.735  51.471  2.05995       49.2      2.0      1.9     5.8
   45   2   2   3  25.811  51.622  2.05434       49.7      2.0      2.0     5.8
   46   6   0  -3  25.914  51.828  2.04673       91.7      3.7      3.6     5.8
   47   3   1   4  26.514  53.028  2.00365      266.9     10.7     10.5     5.8
   48   3   1  -5  26.93   53.861  1.97493      341.8     13.7     13.5     5.8
   49   0   2   4  27.013  54.026  1.96934      799.8     32.1     31.5     5.8
   50   5   1  -4  27.126  54.252  1.96176       35.9      1.4      1.4     5.8
   51   2   2  -4  27.165  54.33   1.95915      337.5     13.5     13.3     5.8
   52   1   1   5  27.205  54.41   1.95648      284.3     11.4     11.2     5.8
   53   4   2   2  27.646  55.291  1.92771       65.3      2.6      2.6     5.8
   54   1   3  -1  28.598  57.196  1.86866       59.4      2.4      2.3     5.8
   55   1   3   1  28.876  57.753  1.85219      122.3      4.9      4.8     5.8
   56   2   0  -6  29.225  58.449  1.83202       31.7      1.3      1.2     5.8
   57   2   2   4  29.414  58.827  1.82129      244.5      9.8      9.6     5.8
   58   0   0   6  29.629  59.258  1.80926       28.0      1.1      1.1     5.8
   59   4   2  -4  29.844  59.688  1.79741      100.0      4.0      3.9     5.8
   60   7   1  -2  29.99   59.98   1.78945      280.2     11.2     10.9     5.8
   61   7   1   0  30.089  60.178  1.78411      276.8     11.1     10.8     5.8
   62   4   2   3  30.489  60.978  1.76292      115.6      4.6      4.5     5.8
   63   6   2  -1  30.585  61.171  1.75791       94.0      3.8      3.7     5.8
   64   3   3   0  30.75   61.501  1.74939       57.6      2.3      2.2     5.8
   65   3   3  -1  30.793  61.585  1.74722       80.8      3.2      3.1     5.8
   66   6   0   3  30.962  61.923  1.73863      233.0      9.3      9.1     5.8
   67   2   2  -5  31.012  62.024  1.73608       51.3      2.1      2.0     5.8
   68   3   1   5  31.082  62.164  1.73256       73.6      3.0      2.9     5.8
   69   6   2  -2  31.112  62.223  1.73108      351.6     14.1     13.7     5.8
   70   4   0  -6  31.267  62.534  1.72334      233.1      9.3      9.1     5.8
   71   3   1  -6  31.542  63.085  1.70982       56.8      2.3      2.2     5.9
   72   3   3   1  31.587  63.174  1.70767      244.1      9.8      9.5     5.9
   73   6   0  -5  31.631  63.263  1.70551      166.4      6.7      6.5     5.9
   74   3   3  -2  31.712  63.423  1.70164      152.4      6.1      5.9     5.9
   75   1   3  -3  31.906  63.812  1.69237       67.2      2.7      2.6     5.9
   76   6   2   1  32.168  64.337  1.68002      239.3      9.6      9.3     5.9
   77   4   0   5  32.251  64.503  1.67616      143.8      5.8      5.6     5.9
   78   1   1   6  32.313  64.626  1.67331       47.3      1.9      1.8     5.9
   79   8   0  -1  32.381  64.763  1.67016      196.9      7.9      7.6     5.9
   80   6   2  -3  32.497  64.995  1.66485      162.6      6.5      6.3     5.9
   81   5   1   4  32.568  65.135  1.66165      140.0      5.6      5.4     5.9
   82   8   0  -2  32.634  65.268  1.65866       90.0      3.6      3.5     5.9
   83   1   3   3  32.685  65.37   1.65635       66.4      2.7      2.6     5.9
   84   3   3   2  33.265  66.53   1.63071      274.1     11.0     10.6     5.9
   85   7   1  -4  33.377  66.755  1.62585      178.4      7.2      6.9     5.9
   86   3   3  -3  33.467  66.934  1.62198      253.3     10.2      9.8     5.9
   87   7   1   2  33.657  67.314  1.6139       132.6      5.3      5.1     5.9
   88   8   0  -3  33.733  67.466  1.61071       29.3      1.2      1.1     5.9
   89   4   2   4  34.027  68.055  1.59842       52.2      2.1      2.0     5.9
   90   6   2   2  34.211  68.421  1.5909        79.5      3.2      3.1     5.9
   91   6   2  -4  34.689  69.377  1.57166       30.0      1.2      1.2     5.9
   92   0   0   7  35.224  70.448  1.55079       99.2      4.0      3.8     5.9
   93   6   0  -6  35.514  71.029  1.53977       29.1      1.2      1.1     5.9
   94   3   3   3  35.726  71.452  1.53185       37.3      1.5      1.4     5.9
   95   0   2   6  35.794  71.588  1.52933      137.4      5.5      5.3     5.9
   96   3   1   6  36.112  72.224  1.51767      191.3      7.7      7.3     5.9
   97   7   1  -5  36.238  72.475  1.51312       30.5      1.2      1.2     5.9
   98   3   1  -7  36.618  73.236  1.49957      257.0     10.3      9.8     6.0
   99   8   0   2  36.649  73.299  1.49847       43.9      1.8      1.7     6.0
  100   4   2  -6  37.29   74.58   1.47638       56.7      2.3      2.2     6.0
  101   4   0   6  37.325  74.649  1.47521       47.4      1.9      1.8     6.0
  102   1   1   7  37.823  75.646  1.45862       29.7      1.2      1.1     6.0
  103   4   2   5  38.2    76.4    1.44639       51.2      2.1      1.9     6.0
  104   8   0  -5  38.308  76.616  1.44294       81.3      3.3      3.1     6.0
  105   2   2   6  38.361  76.722  1.44125       78.3      3.1      3.0     6.0
  106   0   4   0  38.684  77.368  1.43107      396.2     15.9     15.0     6.0
  107   3   3   4  38.916  77.833  1.42388       90.0      3.6      3.4     6.0
  108   3   3  -5  39.258  78.516  1.41346      128.3      5.1      4.8     6.0
  109   1   3   5  39.485  78.97   1.40665       63.1      2.5      2.4     6.0
  110   9   1  -3  39.546  79.093  1.40483       28.0      1.1      1.1     6.0
  111   8   2  -3  39.585  79.169  1.4037        78.0      3.1      2.9     6.0
  112   8   0   3  39.619  79.237  1.40269       45.8      1.8      1.7     6.0
  113   7   1  -6  39.803  79.606  1.39726       71.9      2.9      2.7     6.0
  114   7   1   4  40.239  80.478  1.38466      224.4      9.0      8.4     6.0
  115   0   4   2  40.27   80.539  1.38379       30.5      1.2      1.1     6.1
  116   2   0  -8  40.413  80.826  1.37972       26.8      1.1      1.0     6.1
  117   6   2   4  40.521  81.042  1.37668       60.9      2.4      2.3     6.1
  118   0   0   8  41.237  82.474  1.35694      205.7      8.2      7.7     6.1
  119   6   2  -6  41.272  82.544  1.356        166.0      6.7      6.2     6.1
  120   7   3  -2  41.853  83.705  1.34058      125.5      5.0      4.7     6.1
  121   7   3   0  41.939  83.878  1.33833      128.2      5.1      4.8     6.1
  122  10   0  -1  42.099  84.197  1.3342        25.8      1.0      1.0     6.1
  123   0   4   3  42.232  84.464  1.33078       30.1      1.2      1.1     6.1
  124   8   2   2  42.359  84.718  1.32754       84.7      3.4      3.2     6.1
  125   3   3   5  42.813  85.625  1.31615       32.6      1.3      1.2     6.1
  126  10   0  -3  42.868  85.736  1.31478       62.3      2.5      2.3     6.1
  127   4   4  -2  43.598  87.196  1.29708       96.4      3.9      3.6     6.2
  128   4   4   1  43.839  87.677  1.2914       132.6      5.3      4.9     6.2
  129   8   2  -5  43.964  87.928  1.28846       61.6      2.5      2.3     6.2
  130   5   3   4  44.146  88.291  1.28425       75.4      3.0      2.8     6.2
  131  10   0   1  44.449  88.898  1.2773        47.6      1.9      1.8     6.2
  132   6   2   5  44.744  89.487  1.27066      181.8      7.3      6.7     6.2
  133   7   3  -4  44.885  89.77   1.2675        98.4      3.9      3.6     6.2
  134   0   4   4  44.959  89.918  1.26586      233.8      9.4      8.6     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)