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       ***
                  ***********************
MALDONITE

3

Au(2)Bi


Cubic  F d3m  Z = 8

Fd3m

12 .4 .17

Ref.Str.:

         Palache Ch., Berman H., Frondel C. (1944)

         * Dana's System of Mineralogy (7th edition), v.1, 95-96

         R: Locality - Nuggety Reef, Maldon, Mount Alexander Shire, Victoria, Australia.

         ATOMIC.   N.A.D.

                   Initial data from BDM-file 

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

             a =   7.971    alpha =   90.0 
             b =   7.971    beta  =   90.0 
             c =   7.971    gamma =   90.0 

    Unit cell volume (cub. angs.) =   506.45

    Molar volume ( cub.cm/mol.) =    38.13

  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    Bi    = 1.00
   2 0.625   0.625   0.625    0.0    Au    = 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     0.625      0.625      0.625 
     3       1     0.75       0.75       0.25  
     4       1     0.0        0.5        0.5   
     5       1     0.25       0.75       0.75  
     6       2     0.125      0.375      0.875 
     7       2     0.375      0.875      0.125 
     8       2     0.875      0.125      0.375 
     9       1     0.75       0.25       0.75  
    10       1     0.5        0.0        0.5   
    11       2     0.125      0.875      0.375 
    12       2     0.875      0.375      0.125 
    13       2     0.375      0.125      0.875 
    14       1     0.25       0.25       0.25  
    15       1     0.5        0.5        0.0   
    16       2     0.375      0.375      0.625 
    17       2     0.375      0.625      0.375 
    18       2     0.125      0.625      0.125 
    19       2     0.875      0.625      0.875 
    20       2     0.125      0.125      0.625 
    21       2     0.625      0.375      0.375 
    22       2     0.625      0.125      0.125 
    23       2     0.625      0.875      0.875 
    24       2     0.875      0.875      0.625 


X-ray density (g/cm cub.)   =     15.81

MU (1/cm) =    3463.695    Mass attenuation coefficient (cm**2/g) =    219.092

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

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

    1    Bi                  5.112       16
                                                 3.4515       1
                                                 3.4515       1
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
                                                 3.4515       1
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
                                                 3.4515       1
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
                                                 3.3046       2
    2    Au                  4.284       12
                                                 3.3046       1
                                                 3.3046       1
                                                 3.3046       1
                                                 3.3046       1
                                                 3.3046       1
                                                 3.3046       1
                                                 2.8182       2
                                                 2.8182       2
                                                 2.8182       2
                                                 2.8182       2
                                                 2.8182       2
                                                 2.8182       2

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

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

    1   1   1   1  9.635  19.271   0.109   68.47    8      142.8     4354.9
    2   2   2   0 15.862  31.725   0.177   23.98   12      538.6    32547.3
    3   1   1   3 18.693  37.387   0.208   16.77   24      859.0   115761.9
    4   2   2   2 19.558  39.115   0.217   15.17    8      972.9    44784.2
    5   4   0   0 22.739  45.479   0.251   10.82    6      438.4     4865.9
    6   3   3   1 24.912  49.824   0.273    8.8    24      113.1     1053.5
    7   4   2   0 25.605  51.21    0.281    8.27   24        0.0        0.0
    8   2   2   4 28.256  56.512   0.307    6.61   24      457.8    12959.4
    9   1   1   5 30.141  60.282   0.326    5.71   24      736.3    28979.7
   10   3   3   3 30.141  60.282   0.326    5.71    8      736.3     9659.9
   11   4   4   0 33.138  66.275   0.355    4.64   12     1239.3    33365.8
   12   5   3   1 34.869  69.738   0.371    4.18   48       96.9      733.9
   13   4   4   2 35.437  70.875   0.376    4.04   24        0.0        0.0
   14   6   2   0 37.675  75.349   0.397    3.6    24      408.7     5625.8
   15   3   3   5 39.322  78.644   0.411    3.34   24      658.8    13581.4
   16   2   2   6 39.867  79.734   0.416    3.27   24      745.5    17015.4
   17   4   4   4 42.029  84.058   0.435    3.04    8      338.2     1082.9
   18   1   1   7 43.639  87.278   0.448    2.91   24       86.7      204.7
   19   5   5   1 43.639  87.278   0.448    2.91   24       86.7      204.7
   20   6   4   0 44.175  88.349   0.452    2.87   24        0.0        0.0


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

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

    1   1   1   1   9.635  19.271  4.60206     4354.9      3.8      3.8     5.6
    2   2   2   0  15.862  31.725  2.81817    32547.3     28.1     28.3     5.6
    3   1   1   3  18.693  37.387  2.40335   115761.9    100.0    100.0     5.7
    4   2   2   2  19.558  39.115  2.30103    44784.2     38.7     38.6     5.7
    5   4   0   0  22.739  45.479  1.99275     4865.9      4.2      4.2     5.7
    6   2   2   4  28.256  56.512  1.62707    12959.4     11.2     11.0     5.8
    7   1   1   5  30.141  60.282  1.53402    38639.6     33.4     32.5     5.8
    8   4   4   0  33.138  66.275  1.40909    33365.8     28.8     27.8     5.9
    9   6   2   0  37.675  75.349  1.26033     5625.8      4.9      4.6     6.0
   10   3   3   5  39.322  78.644  1.21557    13581.4     11.7     11.0     6.0
   11   2   2   6  39.867  79.734  1.20167    17015.4     14.7     13.8     6.0

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)