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       ***
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TITANOWODGINITE

1, t-wodginite, f-ixiolite, g-wodginite

Mn''TiTa(2)O(8)


Monoclinic  C 2/c  Z = 4

C2/c

17 .7 .23

Ref.Str.:

         Ercit T.S., Hawtorne F.C., Cerny P., McCammon C.A. (1992)

         * Canad. Mineral., 30, 597-638

         L: $Mn0.76 Fe2+0.22 Ti0.62 Sn0.30 Fe3+0.02 Ta1.58 Nb0.48 O8$

         R: IMA1984-008. Locality - Tanco Mine, Bernic Lake, Lac-du-Bonnet area,

         Manitoba, Canada.

         The coordinates of atoms are from WODGINITE [3]. N.A.D.

                   Initial data from BDM-file 

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

             a =   9.4456   alpha =   90.0 
             b =  11.431    beta  =   90.31
             c =   5.126    gamma =   90.0 

    Unit cell volume (cub. angs.) =   553.46

    Molar volume ( cub.cm/mol.) =    83.34

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

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

   1 0.0     0.6655  0.25     0.0    Mn    = 0.76, Fe    = 0.22
   2 0.253   0.4129  0.245    0.0    Ta    = 0.76, Nb    = 0.24
   3 0.0     0.1635  0.25     0.0    Ti    = 0.62, Sn    = 0.3 , Ta    = 0.06, Fe    = 0.02
   4 0.133   0.066   0.105    0.0    O     = 1.00
   5 0.139   0.432   0.569    0.0    O     = 1.00
   6 0.118   0.299   0.099    0.0    O     = 1.00
   7 0.104   0.186   0.587    0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.6655     0.25  
     2       2     0.253      0.4129     0.245 
     3       3     0.0        0.1635     0.25  
     4       4     0.133      0.066      0.105 
     5       5     0.139      0.432      0.569 
     6       6     0.118      0.299      0.099 
     7       7     0.104      0.186      0.587 
     8       1     0.0        0.3345     0.75  
     9       2     0.747      0.5871     0.755 
    10       3     0.0        0.8365     0.75  
    11       4     0.867      0.934      0.895 
    12       5     0.861      0.568      0.431 
    13       6     0.882      0.701      0.901 
    14       7     0.896      0.814      0.413 
    15       2     0.253      0.5871     0.745 
    16       4     0.133      0.934      0.605 
    17       5     0.139      0.568      0.069 
    18       6     0.118      0.701      0.599 
    19       7     0.104      0.814      0.087 
    20       2     0.747      0.4129     0.255 
    21       4     0.867      0.066      0.395 
    22       5     0.861      0.432      0.931 
    23       6     0.882      0.299      0.401 
    24       7     0.896      0.186      0.913 
    25       1     0.5        0.8345     0.75  
    26       2     0.753      0.0871     0.745 
    27       3     0.5        0.3365     0.75  
    28       4     0.633      0.434      0.605 
    29       5     0.639      0.068      0.069 
    30       6     0.618      0.201      0.599 
    31       7     0.604      0.314      0.087 
    32       1     0.5        0.1655     0.25  
    33       2     0.247      0.9129     0.255 
    34       3     0.5        0.6635     0.25  
    35       4     0.367      0.566      0.395 
    36       5     0.361      0.932      0.931 
    37       6     0.382      0.799      0.401 
    38       7     0.396      0.686      0.913 
    39       2     0.753      0.9129     0.245 
    40       4     0.633      0.566      0.105 
    41       5     0.639      0.932      0.569 
    42       6     0.618      0.799      0.099 
    43       7     0.604      0.686      0.587 
    44       2     0.247      0.0871     0.755 
    45       4     0.367      0.434      0.895 
    46       5     0.361      0.068      0.431 
    47       6     0.382      0.201      0.901 
    48       7     0.396      0.314      0.413 


X-ray density (g/cm cub.)   =      6.95

MU (1/cm) =    1264.874    Mass attenuation coefficient (cm**2/g) =    182.107

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

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

    1   Mn   ,Fe             2.724        6
                                                 1.9596       5
                                                 2.1415       6
                                                 2.1339       7
                                                 1.9596       5
                                                 2.1415       6
                                                 2.1339       7
    2   Ta   ,Nb             2.436        6
                                                 1.9962       5
                                                 1.9675       6
                                                 2.2597       5
                                                 2.1919       4
                                                 2.1112       4
                                                 1.9574       7
    3   Ti   ,Sn   ,Ta   ,Fe      2.856        6
                                                 1.8393       4
                                                 2.0615       6
                                                 1.9992       7
                                                 1.8393       4
                                                 2.0615       6
                                                 1.9992       7
    4    O                   3.264       12
                                                 2.6674       6
                                                 2.8405       7
                                                 2.9999       7
                                                 3.1175       4
                                                 2.9742       4
                                                 2.9742       4
                                                 2.895        7
                                                 2.9263       4
                                                 2.7996       7
                                                 2.7929       5
                                                 2.7188       5
                                                 3.0055       6
    5    O                   3.264       12
                                                 3.1205       6
                                                 2.8548       6
                                                 2.833        7
                                                 3.1293       5
                                                 2.9976       5
                                                 2.9976       5
                                                 3.0852       6
                                                 3.2235       5
                                                 2.9872       6
                                                 2.7929       4
                                                 2.7188       4
                                                 2.8936       7
    6    O                   3.264       12
                                                 2.6674       4
                                                 2.8548       5
                                                 3.1205       5
                                                 2.819        7
                                                 2.9275       7
                                                 3.0852       5
                                                 2.9872       5
                                                 2.7208       6
                                                 2.6369       7
                                                 3.0055       4
                                                 2.9207       6
                                                 3.0773       7
    7    O                   3.264       12
                                                 2.9999       4
                                                 2.8405       4
                                                 2.833        5
                                                 2.9275       6
                                                 2.819        6
                                                 2.895        4
                                                 2.7996       4
                                                 2.6369       6
                                                 2.5861       7
                                                 2.8936       5
                                                 3.0773       6
                                                 3.2512       7

  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   1   1   0  7.056  14.112   0.069  129.58    4       33.7      192.4
    2   0   2   0  9.004  18.007   0.087   78.73    2      114.9      678.3
    3   2   0   0 10.917  21.835   0.106   52.86    2      273.1     2573.7
    4   1   1  -1 12.297  24.594   0.119   41.22    4       19.2       19.9
    5   1   1   1 12.346  24.692   0.12    40.87    4       34.1       62.1
    6   0   2   1 13.556  27.112   0.131   33.56    4      240.3     2531.2
    7   2   2   0 14.222  28.445   0.137   30.3     4      333.4     4398.2
    8   1   3   0 14.663  29.325   0.141   28.4     4       37.9       53.4
    9   3   1   0 17.138  34.276   0.165   20.28    4        1.1        0.0
   10   2   2  -1 17.503  35.006   0.168   19.37    4      548.4     7606.0
   11   2   2   1 17.574  35.149   0.169   19.2     4      567.8     8081.9
   12   1   3  -1 17.888  35.776   0.172   18.47    4        4.4        0.5
   13   1   3   1 17.923  35.846   0.172   18.39    4        1.2        0.0
   14   0   4   0 18.24   36.48    0.175   17.7     2      360.5     1501.6
   15   3   1  -1 19.979  39.958   0.191   14.47    4       40.6       31.1
   16   3   1   1 20.075  40.149   0.192   14.32    4       15.9        4.7
   17   0   0   2 20.426  40.852   0.195   13.77    2      543.4     2655.3
   18   0   4   1 20.999  41.998   0.2     12.95    4      411.6     2865.0
   19   2   4   0 21.459  42.918   0.205   12.33    4      155.7      390.6
   20   3   3   0 21.625  43.25    0.206   12.12    4       33.3       17.5
   21   1   1  -2 21.685  43.37    0.207   12.05    4       46.4       33.9
   22   1   1   2 21.744  43.489   0.207   11.97    4       12.6        2.5
   23   4   0   0 22.259  44.517   0.212   11.36    2      442.5     1452.0
   24   0   2   2 22.487  44.974   0.214   11.1     4      112.6      183.8
   25   2   0  -2 23.339  46.678   0.221   10.21    2      398.3     1057.1
   26   2   0   2 23.452  46.903   0.222   10.1     2      104.5       72.0
   27   1   5   0 23.737  47.474   0.225    9.82    4        0.3        0.0
   28   2   4  -1 23.884  47.767   0.226    9.69    4       67.2       57.2
   29   2   4   1 23.939  47.878   0.227    9.63    4      337.8     1435.6
   30   3   3  -1 24.023  48.045   0.228    9.56    4       46.5       26.9
   31   3   3   1 24.105  48.21    0.228    9.48    4       12.0        1.8
   32   4   2   0 24.195  48.39    0.229    9.4     4      116.6      167.0
   33   2   2  -2 25.212  50.423   0.238    8.56    4      253.7      719.9
   34   2   2   2 25.318  50.636   0.239    8.48    4      271.9      819.2
   35   1   3  -2 25.513  51.026   0.241    8.34    4       24.3        6.4
   36   1   3   2 25.565  51.131   0.241    8.3     4       15.0        2.4
   37   1   5  -1 26.01   52.02    0.245    7.98    4       29.2        8.9
   38   1   5   1 26.036  52.072   0.245    7.96    4        6.1        0.4
   39   4   2  -1 26.4    52.801   0.249    7.71    4      192.6      373.4
   40   4   2   1 26.503  53.006   0.249    7.64    4      251.6      631.6
   41   3   1  -2 27.102  54.205   0.255    7.26    4       49.1       22.9
   42   3   1   2 27.254  54.507   0.256    7.17    4       15.4        2.2
   43   0   4   2 27.956  55.911   0.262    6.77    4      322.8      920.9
   44   0   6   0 28.001  56.003   0.262    6.74    2      262.4      303.1
   45   5   1   0 28.679  57.359   0.268    6.39    4       36.5       11.1
   46   3   5   0 28.915  57.829   0.27     6.27    4       34.9       10.0
   47   4   4   0 29.431  58.862   0.275    6.03    4      320.7      809.2
   48   0   6   1 30.058  60.115   0.28     5.75    4       31.6        7.5
   49   2   4  -2 30.324  60.649   0.282    5.64    4      137.9      139.9
   50   2   6   0 30.415  60.829   0.283    5.6     4      561.7     2306.7
   51   2   4   2 30.418  60.837   0.283    5.6     4      145.3      154.4
   52   3   3  -2 30.431  60.861   0.283    5.59    4       23.5        4.0
   53   3   3   2 30.571  61.143   0.284    5.54    4       33.3        8.0
   54   5   1  -1 30.649  61.297   0.285    5.5     4        2.7        0.1
   55   5   1   1 30.765  61.531   0.286    5.46    4        0.7        0.0
   56   3   5  -1 30.898  61.796   0.287    5.41    4       33.0        7.7
   57   4   0  -2 30.908  61.816   0.287    5.4     2      592.4     1237.8
   58   3   5   1 30.968  61.935   0.288    5.38    4       16.4        1.9
   59   4   0   2 31.094  62.187   0.289    5.33    2      605.3     1275.5
   60   4   4  -1 31.383  62.765   0.291    5.22    4      515.4     1811.9
   61   4   4   1 31.475  62.949   0.292    5.19    4      509.7     1760.9
   62   5   3   0 31.903  63.806   0.295    5.04    4       22.6        3.4
   63   1   5  -2 32.17   64.339   0.298    4.95    4       23.6        3.6
   64   1   5   2 32.215  64.43    0.298    4.93    4        9.1        0.5
   65   2   6  -1 32.354  64.708   0.299    4.89    4       63.3       25.6
   66   2   6   1 32.399  64.799   0.3      4.87    4       87.1       48.3
   67   4   2  -2 32.478  64.956   0.3      4.85    4      129.0      105.4
   68   1   1  -3 32.494  64.988   0.3      4.84    4       10.1        0.6
   69   1   1   3 32.562  65.124   0.301    4.82    4       50.7       16.2
   70   4   2   2 32.658  65.317   0.302    4.79    4       81.7       41.8
   71   0   2   3 33.119  66.239   0.305    4.65    4      211.7      272.1
   72   5   3  -1 33.762  67.524   0.311    4.46    4       57.9       19.5
   73   1   7   0 33.77   67.541   0.311    4.46    4       25.7        3.8
   74   5   3   1 33.873  67.745   0.312    4.43    4        8.9        0.5
   75   6   0   0 34.624  69.247   0.318    4.24    2      233.9      151.4
   76   2   2  -3 35.264  70.529   0.323    4.08    4      476.2     1209.1
   77   2   2   3 35.395  70.789   0.324    4.05    4      470.5     1171.4
   78   1   3  -3 35.522  71.044   0.325    4.02    4       45.0       10.6
   79   1   3   3 35.587  71.174   0.325    4.01    4       47.8       11.9
   80   1   7  -1 35.624  71.247   0.326    4.0     4       30.8        5.0
   81   1   7   1 35.645  71.291   0.326    4.0     4        6.5        0.2
   82   0   6   2 35.803  71.605   0.327    3.96    4      215.9      241.2
   83   6   2   0 36.11   72.221   0.329    3.9     4      201.2      206.0
   84   5   1  -2 36.291  72.581   0.331    3.86    4       63.8       20.5
   85   5   1   2 36.505  73.01    0.333    3.82    4       24.1        2.9
   86   3   5  -2 36.541  73.083   0.333    3.81    4       55.0       15.1
   87   3   5   2 36.67   73.339   0.334    3.78    4        7.5        0.3
   88   3   1  -3 36.826  73.652   0.335    3.75    4       45.7       10.2
   89   4   4  -2 36.978  73.956   0.336    3.72    4      293.5      418.9
   90   3   1   3 37.018  74.036   0.337    3.72    4       27.7        3.7
   91   4   6   0 37.103  74.205   0.337    3.7     4      203.8      200.7
   92   4   4   2 37.149  74.297   0.338    3.69    4      289.7      404.5
   93   0   4   3 37.584  75.168   0.341    3.61    4      524.0     1296.0
   94   6   2  -1 37.862  75.724   0.343    3.57    4      471.9     1037.3
   95   5   5   0 37.895  75.79    0.343    3.56    4       24.3        2.7
   96   2   6  -2 37.902  75.803   0.343    3.56    4      508.7     1203.0
   97   2   6   2 37.986  75.972   0.344    3.55    4      481.7     1074.4
   98   6   2   1 37.989  75.977   0.344    3.55    4      458.6      973.9
   99   3   7   0 38.1    76.199   0.345    3.53    4       22.5        2.3
  100   0   8   0 38.755  77.51    0.35     3.43    2      277.8      172.6
  101   4   6  -1 38.859  77.718   0.351    3.41    4       65.5       19.1
  102   4   6   1 38.943  77.886   0.351    3.4     4       27.3        3.3
  103   5   3  -2 39.191  78.382   0.353    3.36    4       25.1        2.8
  104   5   3   2 39.4    78.8     0.355    3.33    4       41.9        7.7
  105   2   4  -3 39.629  79.258   0.357    3.3     4      161.0      111.8
  106   5   5  -1 39.63   79.259   0.357    3.3     4       54.4       12.8
  107   3   3  -3 39.713  79.426   0.357    3.29    4       42.5        7.8
  108   5   5   1 39.734  79.468   0.357    3.29    4       41.9        7.5
  109   2   4   3 39.754  79.508   0.357    3.29    4      188.8      152.9
  110   3   7  -1 39.852  79.705   0.358    3.27    4        4.2        0.1
  111   3   3   3 39.901  79.801   0.359    3.27    4       12.2        0.6
  112   3   7   1 39.915  79.83    0.359    3.27    4        0.5        0.0
  113   6   4   0 40.443  80.886   0.363    3.2     4      126.8       67.2
  114   0   8   1 40.531  81.061   0.363    3.19    4      464.6      899.2
  115   2   8   0 40.845  81.69    0.366    3.16    4       61.8       15.7
  116   1   7  -2 41.001  82.002   0.367    3.14    4       18.4        1.4
  117   1   7   2 41.042  82.084   0.367    3.13    4       28.8        3.4
  118   1   5  -3 41.297  82.594   0.369    3.11    4       61.6       15.4
  119   1   5   3 41.359  82.717   0.369    3.1     4       11.3        0.5
  120   4   2  -3 41.546  83.093   0.371    3.08    4      185.9      139.1
  121   6   0  -2 41.697  83.395   0.372    3.07    2      132.1       34.9
  122   4   2   3 41.794  83.588   0.373    3.06    4      192.3      147.7
  123   7   1   0 41.873  83.746   0.373    3.05    4       33.1        4.4
  124   6   0   2 41.945  83.889   0.374    3.04    2      299.4      178.1
  125   6   4  -1 42.14   84.281   0.375    3.03    4      243.6      234.4
  126   6   4   1 42.264  84.528   0.376    3.01    4       97.3       37.3
  127   2   8  -1 42.581  85.161   0.378    2.99    4      209.0      170.4
  128   2   8   1 42.622  85.244   0.379    2.98    4      206.4      166.1
  129   6   2  -2 43.106  86.213   0.382    2.95    4      237.0      216.1
  130   6   2   2 43.353  86.706   0.384    2.93    4      232.5      206.6
  131   7   1  -1 43.552  87.103   0.385    2.91    4       58.6       13.1
  132   7   1   1 43.695  87.39    0.386    2.9     4       48.3        8.9
  133   4   6  -2 44.099  88.197   0.389    2.88    4      236.2      209.7
  134   4   6   2 44.263  88.525   0.39     2.87    4      201.9      152.7
  135   0   0   4 44.266  88.532   0.39     2.87    2      412.4      318.5
  136   0   6   3 44.683  89.366   0.393    2.84    4       49.3        9.0
  137   7   3   0 44.686  89.372   0.393    2.84    4        8.3        0.3
  138   5   5  -2 44.844  89.687   0.394    2.84    4       48.0        8.5


  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   1   1   0   7.056  14.112  7.28132      192.4      2.4      2.4     5.6
    2   0   2   0   9.004  18.007  5.7155       678.3      8.4      8.5     5.6
    3   2   0   0  10.917  21.835  4.72273     2573.7     31.8     32.2     5.6
    4   0   2   1  13.556  27.112  3.81605     2531.2     31.3     31.5     5.6
    5   2   2   0  14.222  28.445  3.64066     4398.2     54.4     54.7     5.6
    6   2   2  -1  17.503  35.006  2.97405     7606.0     94.1     94.1     5.7
    7   2   2   1  17.574  35.149  2.96236     8081.9    100.0    100.0     5.7
    8   0   4   0  18.24   36.48   2.85775     1501.6     18.6     18.6     5.7
    9   0   0   2  20.426  40.852  2.56296     2655.3     32.9     32.7     5.7
   10   0   4   1  20.999  41.998  2.49605     2865.0     35.4     35.2     5.7
   11   2   4   0  21.459  42.918  2.44498      390.6      4.8      4.8     5.7
   12   4   0   0  22.259  44.517  2.36137     1452.0     18.0     17.8     5.7
   13   0   2   2  22.487  44.974  2.3386       183.8      2.3      2.3     5.7
   14   2   0  -2  23.339  46.678  2.25776     1057.1     13.1     12.9     5.7
   15   2   4   1  23.939  47.878  2.2044      1435.6     17.8     17.5     5.7
   16   4   2   0  24.195  48.39   2.18244      167.0      2.1      2.0     5.7
   17   2   2  -2  25.212  50.423  2.09986      719.9      8.9      8.8     5.8
   18   2   2   2  25.318  50.636  2.09163      819.2     10.1     10.0     5.8
   19   4   2  -1  26.4    52.801  2.01164      373.4      4.6      4.5     5.8
   20   4   2   1  26.503  53.006  2.0044       631.6      7.8      7.7     5.8
   21   0   4   2  27.956  55.911  1.90802      920.9     11.4     11.1     5.8
   22   0   6   0  28.001  56.003  1.90517      303.1      3.8      3.7     5.8
   23   4   4   0  29.431  58.862  1.82033      809.2     10.0      9.7     5.8
   24   2   4  -2  30.324  60.649  1.77158      139.9      1.7      1.7     5.8
   25   2   6   0  30.415  60.829  1.76682     2465.1     30.5     29.6     5.8
   26   4   0  -2  30.908  61.816  1.74134     1245.5     15.4     14.9     5.8
   27   4   0   2  31.094  62.187  1.73198     1275.5     15.8     15.3     5.8
   28   4   4  -1  31.383  62.765  1.71764     1811.9     22.4     21.7     5.9
   29   4   4   1  31.475  62.949  1.71312     1760.9     21.8     21.1     5.9
   30   4   2  -2  32.478  64.956  1.66575      106.1      1.3      1.3     5.9
   31   0   2   3  33.119  66.239  1.63705      272.1      3.4      3.2     5.9
   32   6   0   0  34.624  69.247  1.57424      151.4      1.9      1.8     5.9
   33   2   2  -3  35.264  70.529  1.54925     1209.1     15.0     14.3     5.9
   34   2   2   3  35.395  70.789  1.54429     1171.4     14.5     13.8     5.9
   35   0   6   2  35.803  71.605  1.529        241.2      3.0      2.8     5.9
   36   6   2   0  36.11   72.221  1.51773      206.0      2.5      2.4     5.9
   37   4   4  -2  36.978  73.956  1.48703      418.9      5.2      4.9     6.0
   38   4   6   0  37.103  74.205  1.48275      200.7      2.5      2.4     6.0
   39   4   4   2  37.149  74.297  1.48118      404.5      5.0      4.7     6.0
   40   0   4   3  37.584  75.168  1.46651     1296.0     16.0     15.2     6.0
   41   6   2  -1  37.862  75.724  1.45735     1037.3     12.8     12.1     6.0
   42   2   6  -2  37.902  75.803  1.45604     1205.7     14.9     14.1     6.0
   43   2   6   2  37.986  75.972  1.45329     2048.3     25.3     23.9     6.0
   44   0   8   0  38.755  77.51   1.42887      172.6      2.1      2.0     6.0
   45   2   4  -3  39.629  79.258  1.40238      124.5      1.5      1.4     6.0
   46   2   4   3  39.754  79.508  1.3987       152.9      1.9      1.8     6.0
   47   0   8   1  40.531  81.061  1.3764       899.2     11.1     10.4     6.1
   48   4   2  -3  41.546  83.093  1.34865      139.1      1.7      1.6     6.1
   49   4   2   3  41.794  83.588  1.34212      147.7      1.8      1.7     6.1
   50   6   0   2  41.945  83.889  1.33818      178.1      2.2      2.0     6.1
   51   6   4  -1  42.14   84.281  1.33312      234.4      2.9      2.7     6.1
   52   2   8  -1  42.581  85.161  1.32194      170.4      2.1      2.0     6.1
   53   2   8   1  42.622  85.244  1.32091      166.1      2.1      1.9     6.1
   54   6   2  -2  43.106  86.213  1.30892      216.1      2.7      2.5     6.1
   55   6   2   2  43.353  86.706  1.30295      206.6      2.6      2.4     6.1
   56   4   6  -2  44.099  88.197  1.28534      209.7      2.6      2.4     6.2
   57   0   0   4  44.266  88.532  1.28148      471.2      5.8      5.3     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)