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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HARRISONITE

1

Ca(Fe,Mg)(6)[SiO(4)](2)[PO(4)](2)


Hexagonal  R 3(-)m  Z = 3

R =0.025          NR =752

8 .9 .1995

Ref.Str.:

         Grice J.D., Roberts A.C. (1993)

         * Canad. Mineral., 31, 781-785

Reserv:

         There are U(ij) in the article.  D.T.N.

                   Initial data from BDM-file 

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

             a =   6.248    alpha =   90.0 
             b =   6.248    beta  =   90.0 
             c =  26.802    gamma =  120.0 

    Unit cell volume (cub. angs.) =   906.11

    Molar volume ( cub.cm/mol.) =   181.93

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

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

   1 0.0     0.0     0.0      0.0    Ca    = 1.00
   2 0.4969  0.9938  0.095    0.0    Fe    = 1.00
   3 0.0     0.0     0.8623   0.0    Si    = 1.00
   4 0.0     0.0     0.6802   0.0    P     = 1.00
   5 0.0     0.0     0.1988   0.0    O     = 1.00
   6 0.0     0.0     0.6224   0.0    O     = 1.00
   7 0.1429  0.2858  0.1183   0.0    O     = 1.00
   8 0.7979  0.5958  0.0362   0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.0        0.0   
     2       2     0.4969     0.9938     0.095 
     3       3     0.0        0.0        0.8623
     4       4     0.0        0.0        0.6802
     5       5     0.0        0.0        0.1988
     6       6     0.0        0.0        0.6224
     7       7     0.1429     0.2858     0.1183
     8       8     0.7979     0.5958     0.0362
     9       2     0.0062     0.5031     0.095 
    10       2     0.4969     0.5031     0.095 
    11       7     0.7142     0.8571     0.1183
    12       7     0.1429     0.8571     0.1183
    13       8     0.4042     0.2021     0.0362
    14       8     0.7979     0.2021     0.0362
    15       1     0.6667     0.3333     0.3333
    16       1     0.3333     0.6667     0.6667
    17       2     0.6729     0.8364     0.4283
    18       2     0.8302     0.1698     0.7617
    19       3     0.6667     0.3333     0.1956
    20       3     0.3333     0.6667     0.529 
    21       4     0.6667     0.3333     0.0135
    22       4     0.3333     0.6667     0.3469
    23       5     0.6667     0.3333     0.5321
    24       5     0.3333     0.6667     0.8655
    25       6     0.6667     0.3333     0.9557
    26       6     0.3333     0.6667     0.2891
    27       7     0.3809     0.1904     0.4516
    28       7     0.4762     0.5238     0.785 
    29       8     0.0709     0.5354     0.3695
    30       8     0.1312     0.8688     0.7029
    31       2     0.1636     0.8364     0.4283
    32       2     0.8302     0.6605     0.7617
    33       2     0.1636     0.3271     0.4283
    34       2     0.3395     0.1697     0.7617
    35       7     0.8096     0.1904     0.4516
    36       7     0.4762     0.9525     0.785 
    37       7     0.8096     0.6191     0.4516
    38       7     0.0475     0.5238     0.785 
    39       8     0.4646     0.5354     0.3695
    40       8     0.1312     0.2625     0.7029
    41       8     0.4646     0.9291     0.3695
    42       8     0.7375     0.8688     0.7029
    43       2     0.5031     0.0062     0.905 
    44       3     0.0        0.0        0.1377
    45       4     0.0        0.0        0.3198
    46       5     0.0        0.0        0.8012
    47       6     0.0        0.0        0.3776
    48       7     0.8571     0.7142     0.8817
    49       8     0.2021     0.4042     0.9638
    50       2     0.9938     0.4969     0.905 
    51       2     0.5031     0.4969     0.905 
    52       7     0.2858     0.1429     0.8817
    53       7     0.8571     0.1429     0.8817
    54       8     0.5958     0.7979     0.9638
    55       8     0.2021     0.7979     0.9638
    56       2     0.3271     0.1636     0.5717
    57       2     0.1698     0.8302     0.2383
    58       3     0.3333     0.6667     0.8044
    59       3     0.6667     0.3333     0.471 
    60       4     0.3333     0.6667     0.9865
    61       4     0.6667     0.3333     0.6531
    62       5     0.3333     0.6667     0.4679
    63       5     0.6667     0.3333     0.1345
    64       6     0.3333     0.6667     0.0443
    65       6     0.6667     0.3333     0.7109
    66       7     0.6191     0.8096     0.5484
    67       7     0.5238     0.4762     0.215 
    68       8     0.9291     0.4646     0.6305
    69       8     0.8688     0.1312     0.2971
    70       2     0.8364     0.1636     0.5717
    71       2     0.1698     0.3395     0.2383
    72       2     0.8364     0.6729     0.5717
    73       2     0.6605     0.8303     0.2383
    74       7     0.1904     0.8096     0.5484
    75       7     0.5238     0.0475     0.215 
    76       7     0.1904     0.3809     0.5484
    77       7     0.9525     0.4762     0.215 
    78       8     0.5354     0.4646     0.6305
    79       8     0.8688     0.7375     0.2971
    80       8     0.5354     0.0709     0.6305
    81       8     0.2625     0.1312     0.2971


X-ray density (g/cm cub.)   =      4.12

MU (1/cm) =     243.426    Mass attenuation coefficient (cm**2/g) =     59.113

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

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

    1    Ca                  2.88         6
                                                 2.3926       8
                                                 2.3926       8
                                                 2.3926       8
                                                 2.3926       8
                                                 2.3926       8
                                                 2.3926       8
    2    Fe                  2.592        6
                                                 2.0304       7
                                                 2.0303       7
                                                 2.2949       8
                                                 2.295        8
                                                 2.121        5
                                                 2.232        6
    3    Si                  2.1          4
                                                 1.6376       5
                                                 1.6315       7
                                                 1.6315       7
                                                 1.6316       7
    4    P                   2.232        4
                                                 1.5492       6
                                                 1.5446       8
                                                 1.5446       8
                                                 1.5447       8
    5    O                   3.264       12
                                                 2.6545       7
                                                 2.6545       7
                                                 2.6546       7
                                                 3.1647       7
                                                 3.1646       7
                                                 2.994        8
                                                 3.1647       7
                                                 3.1646       7
                                                 3.1647       7
                                                 3.1646       7
                                                 2.994        8
                                                 2.994        8
    6    O                   3.264       12
                                                 2.5821       8
                                                 2.5821       8
                                                 2.5822       8
                                                 2.8607       7
                                                 3.1549       8
                                                 3.1549       8
                                                 2.8608       7
                                                 2.8607       7
                                                 3.1548       8
                                                 3.1549       8
                                                 3.1549       8
                                                 3.1548       8
    7    O                   3.264        8
                                                 2.6545       5
                                                 2.6785       7
                                                 2.6785       7
                                                 2.9385       8
                                                 2.9384       8
                                                 3.1646       5
                                                 3.1646       5
                                                 2.8608       6
    8    O                   3.264       10
                                                 2.9384       7
                                                 2.9385       7
                                                 2.4599       8
                                                 2.4599       8
                                                 2.5824       6
                                                 2.9239       8
                                                 2.9238       8
                                                 2.994        5
                                                 3.1549       6
                                                 3.1548       6

  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   3  5.746  11.492   0.056  196.55    2       11.2        6.0
    2   1   0   1  9.709  19.418   0.094   67.4     6       57.0      160.3
    3   1   0  -2 10.269  20.538   0.1     60.02    6       90.9      362.2
    4   0   0   6 11.551  23.102   0.112   46.99    2      223.2      570.5
    5   1   0   4 12.268  24.535   0.119   41.43    6       25.5       19.7
    6   1   0  -5 13.585  27.169   0.131   33.41    6       69.3      117.2
    7   1   0   7 16.629  33.259   0.16    21.65    6      222.9      786.1
    8   1   1   0 16.638  33.275   0.16    21.63    6       72.9       84.0
    9   0   0   9 17.479  34.958   0.168   19.43    2      361.8      619.6
   10   1   1   3 17.657  35.314   0.17    19.0    12       80.7      181.0
   11   1   0  -8 18.301  36.603   0.176   17.57    6        3.3        0.1
   12   2   0  -1 19.408  38.816   0.186   15.43    6      308.1     1070.3
   13   2   0   2 19.711  39.423   0.189   14.91    6        6.6        0.5
   14   1   1   6 20.45   40.9     0.195   13.74   12      245.8     1213.6
   15   2   0  -4 20.888  41.776   0.199   13.1     6      334.2     1069.7
   16   2   0   5 21.736  43.473   0.207   11.98    6      198.0      343.5
   17   1   0  10 21.865  43.731   0.208   11.82    6       16.2        2.3
   18   0   0  12 23.608  47.216   0.224    9.94    2       37.8        3.5
   19   1   0 -11 23.741  47.482   0.225    9.82    6      162.9      190.4
   20   2   0  -7 23.88   47.76    0.226    9.69    6      268.5      510.3
   21   1   1   9 24.517  49.034   0.232    9.13   12       15.3        3.1
   22   2   0   8 25.148  50.295   0.238    8.61    6      110.6       77.1
   23   2   1   1 26.017  52.033   0.245    7.97   12       33.9       13.4
   24   2   1  -2 26.259  52.517   0.247    7.81   12        3.5        0.1
   25   2   1   4 27.212  54.423   0.256    7.2    12       84.3       74.8
   26   1   0  13 27.663  55.326   0.26     6.93    6       51.6       13.5
   27   2   1  -5 27.912  55.823   0.262    6.79   12      138.4      190.3
   28   2   0 -10 28.019  56.038   0.263    6.74    6      381.6      716.6
   29   1   1  12 29.492  58.984   0.275    6.0    12       44.8       17.6
   30   2   0  11 29.606  59.212   0.276    5.95    6      271.8      321.1
   31   1   0 -14 29.709  59.419   0.277    5.9     6       66.5       19.1
   32   2   1   7 29.725  59.45    0.277    5.89   12      115.1      114.2
   33   3   0   0 29.73   59.461   0.277    5.89    6       22.4        2.2
   34   0   0  15 30.039  60.079   0.28     5.76    2      231.3       75.1
   35   3   0  -3 30.393  60.785   0.283    5.61    6      148.6       90.5
   36   3   0   3 30.393  60.785   0.283    5.61    6       38.6        6.1
   37   2   1  -8 30.824  61.649   0.286    5.44   12        8.1        0.5
   38   3   0  -6 32.332  64.663   0.299    4.9     6      205.3      150.7
   39   3   0   6 32.332  64.663   0.299    4.9     6      197.2      139.2
   40   2   0 -13 33.056  66.112   0.305    4.67    6      142.2       69.0
   41   2   1  10 33.377  66.754   0.308    4.57   12      115.3       88.8
   42   1   0  16 33.985  67.969   0.312    4.4     6      234.2      176.5
   43   2   1 -11 34.82   69.641   0.319    4.19   12      136.4      114.0
   44   2   0  14 34.915  69.83    0.32     4.17    6       22.2        1.5
   45   2   2   0 34.934  69.869   0.32     4.16    6      552.2      927.3
   46   1   1  15 35.218  70.436   0.322    4.09   12      198.2      235.1
   47   3   0  -9 35.435  70.871   0.324    4.04    6       31.9        3.0
   48   3   0   9 35.435  70.871   0.324    4.04    6       51.5        7.8
   49   2   2   3 35.544  71.087   0.325    4.02   12       30.5        5.5
   50   1   0 -17 36.223  72.446   0.33     3.87    6       39.8        4.5
   51   3   1  -1 36.652  73.304   0.334    3.79   12       53.7       16.0
   52   3   1   2 36.852  73.703   0.335    3.75   12       61.6       20.8
   53   0   0  18 36.921  73.842   0.336    3.73    2       88.0        7.0
   54   2   2   6 37.347  74.694   0.339    3.66   12      155.6      129.4
   55   3   1  -4 37.646  75.293   0.341    3.6    12        2.6        0.0
   56   2   1  13 38.028  76.055   0.344    3.54   12       57.7       17.2
   57   3   1   5 38.239  76.477   0.346    3.51   12       89.7       41.2
   58   2   0 -16 38.905  77.81    0.351    3.4     6      170.1       71.9
   59   3   0 -12 39.6    79.201   0.356    3.31    6       33.8        2.8
   60   3   0  12 39.6    79.201   0.356    3.31    6       67.8       11.1
   61   2   1 -14 39.791  79.581   0.358    3.28   12        5.1        0.1
   62   3   1  -7 39.804  79.609   0.358    3.28   12      105.1       52.9
   63   2   2   9 40.288  80.576   0.361    3.22   12      248.8      291.2
   64   3   1   8 40.775  81.549   0.365    3.16   12       29.9        4.1
   65   1   0  19 40.941  81.882   0.366    3.14    6        6.4        0.1
   66   2   0  17 41.044  82.088   0.367    3.13    6      305.7      214.0
   67   4   0   1 41.458  82.915   0.37     3.09    6      247.8      138.7
   68   4   0  -2 41.651  83.301   0.372    3.07    6       50.2        5.6
   69   1   1  18 41.717  83.435   0.372    3.06   12        6.2        0.2
   70   4   0   4 42.42   84.841   0.377    3.0     6      213.7      100.2
   71   4   0  -5 42.997  85.993   0.381    2.95    6      187.9       76.2
   72   3   1 -10 43.086  86.172   0.382    2.95   12       32.5        4.6
   73   1   0 -20 43.442  86.885   0.384    2.92    6       56.9        6.9
   74   2   1  16 43.647  87.295   0.386    2.91   12      166.8      118.2
   75   2   2  12 44.329  88.658   0.391    2.86   12       95.7       38.4
   76   3   1  11 44.427  88.854   0.391    2.86   12      111.8       52.2
   77   0   0  21 44.494  88.987   0.392    2.86    2      280.0       54.5
   78   4   0   7 44.53   89.059   0.392    2.85    6      137.9       39.7
   79   3   0 -15 44.801  89.602   0.394    2.84    6      154.9       49.8
   80   3   0  15 44.801  89.602   0.394    2.84    6      218.5       99.0


  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   0   1   9.709  19.418  5.30392      160.3     13.2     13.4     5.6
    2   1   0   2  10.269  20.538  5.01737      362.2     29.8     30.4     5.6
    3   0   0   6  11.551  23.102  4.467        570.5     47.0     47.7     5.6
    4   1   0   4  12.268  24.535  4.20969       19.7      1.6      1.6     5.6
    5   1   0   5  13.585  27.169  3.80811      117.2      9.7      9.8     5.6
    6   1   0   7  16.629  33.259  3.1255       870.1     71.7     72.2     5.6
    7   0   0   9  17.479  34.958  2.978        619.6     51.1     51.3     5.7
    8   1   1   3  17.657  35.314  2.94891      181.0     14.9     15.0     5.7
    9   2   0   1  19.408  38.816  2.69178     1070.3     88.2     88.4     5.7
   10   1   1   6  20.45   40.9    2.56006     1213.6    100.0    100.0     5.7
   11   2   0   4  20.888  41.776  2.50868     1069.7     88.1     88.1     5.7
   12   2   0   5  21.736  43.473  2.41527      343.5     28.3     28.2     5.7
   13   1   0  11  23.741  47.482  2.22169      190.4     15.7     15.6     5.7
   14   2   0   7  23.88   47.76   2.20953      510.3     42.1     41.7     5.7
   15   2   0   8  25.148  50.295  2.10485       77.1      6.4      6.3     5.8
   16   2   1   1  26.017  52.033  2.03921       13.4      1.1      1.1     5.8
   17   2   1   4  27.212  54.423  1.95605       74.8      6.2      6.1     5.8
   18   1   0  13  27.663  55.326  1.92658       13.5      1.1      1.1     5.8
   19   2   1   5  27.912  55.823  1.91079      190.3     15.7     15.4     5.8
   20   2   0  10  28.019  56.038  1.90406      716.6     59.1     58.0     5.8
   21   1   1  12  29.492  58.984  1.8169        17.6      1.5      1.4     5.8
   22   2   0  11  29.606  59.212  1.81053      321.1     26.5     25.9     5.8
   23   2   1   7  29.725  59.45   1.80393      135.5     11.2     10.9     5.8
   24   0   0  15  30.039  60.079  1.7868        75.1      6.2      6.0     5.8
   25   3   0   3  30.393  60.785  1.76797       96.6      8.0      7.8     5.8
   26   3   0   6  32.332  64.663  1.67246      289.9     23.9     23.2     5.9
   27   2   0  13  33.056  66.112  1.63982       69.0      5.7      5.5     5.9
   28   2   1  10  33.377  66.754  1.62587       88.8      7.3      7.1     5.9
   29   1   0  16  33.985  67.969  1.6002       176.5     14.5     14.0     5.9
   30   2   1  11  34.82   69.641  1.56647      114.0      9.4      9.0     5.9
   31   2   2   0  34.934  69.869  1.562        928.8     76.5     73.6     5.9
   32   1   1  15  35.218  70.436  1.55102      235.1     19.4     18.6     5.9
   33   3   1   1  36.652  73.304  1.49837       16.0      1.3      1.3     6.0
   34   3   1   2  36.852  73.703  1.4914        20.8      1.7      1.6     6.0
   35   2   2   6  37.347  74.694  1.47446      129.4     10.7     10.2     6.0
   36   2   1  13  38.028  76.055  1.45195       17.2      1.4      1.3     6.0
   37   3   1   5  38.239  76.477  1.44515       41.2      3.4      3.2     6.0
   38   2   0  16  38.905  77.81   1.42423       71.9      5.9      5.6     6.0
   39   3   0  12  39.6    79.201  1.40323       13.9      1.1      1.1     6.0
   40   3   1   7  39.804  79.609  1.39723       52.9      4.4      4.1     6.0
   41   2   2   9  40.288  80.576  1.38327      291.2     24.0     22.6     6.1
   42   2   0  17  41.044  82.088  1.36217      214.0     17.6     16.5     6.1
   43   4   0   1  41.458  82.915  1.35101      138.7     11.4     10.7     6.1
   44   4   0   4  42.42   84.841  1.32598      100.2      8.3      7.7     6.1
   45   4   0   5  42.997  85.993  1.31161       76.2      6.3      5.8     6.1
   46   2   1  16  43.647  87.295  1.29591      118.2      9.7      9.0     6.2
   47   2   2  12  44.329  88.658  1.28003       38.4      3.2      2.9     6.2
   48   3   1  11  44.427  88.854  1.2778        52.2      4.3      4.0     6.2
   49   0   0  21  44.494  88.987  1.27629       54.5      4.5      4.1     6.2
   50   4   0   7  44.53   89.059  1.27547       39.7      3.3      3.0     6.2
   51   3   0  15  44.801  89.602  1.26937      148.8     12.3     11.3     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)