Corkite
      Giuseppe G, Tadini C
      Neues Jahrbuch fur Mineralogie, Monatshefte 1987 (1987) 71-81
      Corkite, PbFe3(SO4)(PO4)(OH)6, its crystal structure and ordered
      arrangement of the tetrahedral cations
      Note: this is the prefered structure of these authors
      Locality: Dernbach, Hessen-Nassau, Germany
      _database_code_amcsd 0014810

      CELL PARAMETERS:    7.2800   7.2800  16.8210   90.000   90.000  120.000
      SPACE GROUP: R3m       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    772.050
      Density (g/cm3):      4.308
      MAX. ABS. INTENSITY / VOLUME**2:      76.03899232    
      RIR:      5.747
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.01        100.00        5.9036    1   0   1         3
                15.81          1.77        5.6070    0   0   3         1
                17.58          4.92        5.0447    0   1   2         3
                24.45         29.69        3.6400    1   1   0         6
                25.46          6.87        3.4984    1   0   4         3
                28.81          2.10        3.0984    0   2   1         3
                29.25         89.60        3.0531    1   1   3         6
                30.11          6.15        2.9681    0   1   5         3
                30.28         24.31        2.9518    2   0   2         3
                31.92         13.90        2.8035    0   0   6         1
                35.59         22.56        2.5223    0   2   4         3
                38.14         13.34        2.3594    2   1   1         6
                39.16          1.83        2.3003    2   0   5         3
                39.30         11.90        2.2927    1   2   2         6
                40.16         22.55        2.2454    1   0   7         3
                40.62          5.66        2.2211    1   1   6         6
                43.04          1.79        2.1016    3   0   0         3
                43.66          4.24        2.0732    2   1   4         6
                45.47          1.01        1.9946    0   1   8         3
                46.13         18.38        1.9679    0   3   3         3
                46.13          4.22        1.9679    3   0   3         3
                46.71          6.93        1.9445    1   2   5         6
                50.12         18.25        1.8200    2   2   0         6
                52.30          5.89        1.7492    2   0   8         3
                52.62          3.29        1.7392    1   3   1         6
                54.21          5.55        1.6920    2   1   7         6
                54.58          1.16        1.6816    0   3   6         3
                55.25          5.43        1.6626    1   1   9         6
                56.63          1.25        1.6252    1   0  10         3
                59.59          5.15        1.5515    3   1   5         6
                59.69          4.84        1.5492    0   4   2         3
                60.66         10.52        1.5265    2   2   6         6
                62.59          9.05        1.4840    0   2  10         3
                62.98          4.04        1.4759    4   0   4         3
                64.68          2.72        1.4411    3   2   1         6
                66.08          3.18        1.4139    1   3   7         6
                67.01          2.52        1.3966    0   3   9         3
                68.16          1.71        1.3758    4   1   0         6
                70.48          3.01        1.3362    1   4   3         6
                70.48          3.99        1.3362    4   1   3         6
                74.92          1.05        1.2675    1   0  13         3
                76.94          3.71        1.2392    3   2   7         6
                78.98          1.27        1.2123    1   3  10         6
                84.18          1.62        1.1501    4   0  10         3
                85.37          1.94        1.1371    2   1  13         6
                87.92          1.79        1.1105    2   2  12         6
                88.18          1.00        1.1080    4   1   9         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.