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

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TRIPUHYITE

2, t-bystromite, g-bystromite

FeSbO(4)


Tetragonal  P 4(2)/mnm  Z = 1

R =0.0357          NR =65

28 .6 .1904

Ref.Str.:

         P. Berlepsh, T. Armbruster, J. Brugger, A.J. Criddle, S. Graeser (2003)

         * Mineral. Mag., 67,31-46

Reserv:

         from Tripuhy.  N.A.D.

                   Initial data from BDM-file 

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

             a =   4.625    alpha =   90.0 
             b =   4.625    beta  =   90.0 
             c =   3.059    gamma =   90.0 

    Unit cell volume (cub. angs.) =    65.43

    Molar volume ( cub.cm/mol.) =    39.41

  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    Fe    = 0.47, Sb    = 0.53
   2 0.696   0.304   0.0      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     0.696      0.304      0.0   
     3       2     0.304      0.696      0.0   
     4       1     0.5        0.5        0.5   
     5       2     0.804      0.804      0.5   
     6       2     0.196      0.196      0.5   


X-ray density (g/cm cub.)   =      6.23

MU (1/cm) =    1379.354    Mass attenuation coefficient (cm**2/g) =    221.43 

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

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

    1   Fe   ,Sb             2.712        6
                                                 1.9884       2
                                                 1.9884       2
                                                 1.9957       2
                                                 1.9957       2
                                                 1.9957       2
                                                 1.9957       2
    2    O                   3.264       11
                                                 3.059        2
                                                 3.059        2
                                                 2.564        2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2
                                                 2.8172       2

  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 15.873  31.746   0.153   23.95    4       69.8    10887.6
    2   1   0   1 20.522  41.045   0.196   13.63    8       55.1     7722.5
    3   2   0   0 22.755  45.51    0.216   10.81    4       44.1     1960.7
    4   1   1   1 23.602  47.204   0.224    9.95    8       18.6      642.2
    5   2   1   0 25.623  51.246   0.242    8.25    8       11.7      210.7
    6   2   1   1 31.468  62.936   0.292    5.19   16       58.4     6611.9
    7   2   2   0 33.162  66.324   0.306    4.64    4       62.6     1696.3
    8   0   0   2 35.789  71.579   0.327    3.96    2       66.1      810.0
    9   3   1   0 37.703  75.407   0.342    3.59    8       45.9     1414.0
   10   2   2   1 38.335  76.67    0.347    3.49    8        5.6       20.1
   11   1   1   2 40.211  80.422   0.361    3.23    8       50.0     1506.3
   12   3   0   1 40.52   81.039   0.363    3.19    8       59.7     2126.1
   13   3   1   1 42.678  85.357   0.379    2.98   16        6.3       44.6
   14   3   2   0 44.211  88.422   0.39     2.87    8        4.1        8.9
   15   2   0   2 44.519  89.038   0.392    2.85    8       36.6      714.1


  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  15.873  31.746  3.27037    10887.6    100.0    100.0     5.6
    2   1   0   1  20.522  41.045  2.55142     7722.5     70.9     70.3     5.7
    3   2   0   0  22.755  45.51   2.3125      1960.7     18.0     17.8     5.7
    4   1   1   1  23.602  47.204  2.23403      642.2      5.9      5.8     5.7
    5   2   1   0  25.623  51.246  2.06836      210.7      1.9      1.9     5.8
    6   2   1   1  31.468  62.936  1.71344     6611.9     60.7     58.6     5.9
    7   2   2   0  33.162  66.324  1.63518     1696.3     15.6     14.9     5.9
    8   0   0   2  35.789  71.579  1.5295       810.0      7.4      7.1     5.9
    9   3   1   0  37.703  75.407  1.46255     1414.0     13.0     12.2     6.0
   10   1   1   2  40.211  80.422  1.38547     1506.3     13.8     12.9     6.0
   11   3   0   1  40.52   81.039  1.37671     2126.1     19.5     18.2     6.1
   12   2   0   2  44.519  89.038  1.27571      714.1      6.6      6.0     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)