Zinkenite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060186
      Portheine J C, Nowacki W
      Zeitschrift fur Kristallographie 141 (1975) 79-96
      Refinement of the crystal structure of zinckenite, Pb6Sb14S27
      Sample: Bolivar mine, Cerro Bonete, Bolivia

      CELL PARAMETERS:   22.14800   22.14800   4.333000   90.00000   90.00000   120.0000
      SPACE GROUP: P6_3
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                 4.63          8.68       19.1440    1   0   0
                 8.01          5.12       11.0528    1   1   0
                16.05          6.60        5.5264    2   2   0
                16.70          2.23        5.3096    1   3   0
                16.70          1.65        5.3096    3   1   0
                18.55          1.48        4.7860    4   0   0
                20.22          4.00        4.3919    3   2   0
                22.56         19.33        3.9417    2   0   1
                23.97          9.24        3.7127    2   1   1
                24.87         18.18        3.5804    3   0   1
                25.91         99.94        3.4384    5   1   0
                26.58         30.71        3.3535    3   1   1
                27.80          3.48        3.2091    4   0   1
                28.36          3.50        3.1473    3   4   0
                28.36          3.59        3.1473    4   3   0
                28.97         13.01        3.0818    2   3   1
                28.97          3.52        3.0818    3   2   1
                29.13          3.05        3.0655    2   5   0
                29.73         12.33        3.0049    1   4   1
                29.73          9.76        3.0049    4   1   1
                30.62          2.62        2.9194    6   1   0
                31.90         30.68        2.8047    3   3   1
                32.25         21.68        2.7751    2   4   1
                32.25          1.35        2.7751    4   2   1
                33.28          3.20        2.6916    1   5   1
                34.94          1.62        2.5677    6   0   1
                35.26          2.42        2.5449    3   4   1
                37.14          1.87        2.4198    1   6   1
                37.27          2.91        2.4119    3   6   0
                38.95          5.02        2.3116    5   3   1
                39.83          9.03        2.2626    2   6   1
                39.83          1.00        2.2626    6   2   1
                40.24          1.74        2.2406    1   8   0
                41.09          1.90        2.1960    6   4   0
                41.26          3.60        2.1875    1   7   1
                41.75         15.58        2.1627    0   0   2
                41.93          1.83        2.1539    7   3   0
                42.37         10.36        2.1325    4   5   1
                42.37         10.34        2.1325    5   4   1
                42.92          2.19        2.1066    3   6   1
                43.30          4.02        2.0888    2   8   0
                44.00         14.60        2.0573    2   7   1
                44.99          1.19        2.0140    2   2   2
                45.58          1.11        1.9895    1   8   1
                45.58          5.44        1.9895    8   1   1
                45.68         16.08        1.9851    4   7   0
                46.10          1.40        1.9684    5   5   1
                48.37          8.35        1.8809    8   2   1
                49.79         24.33        1.8307    5   1   2
                50.57          1.32        1.8042    7   4   1
                51.23          1.17        1.7824    3   4   2
                51.52          1.39        1.7730    3   8   1
                51.52          1.45        1.7730    8   3   1
                53.26          6.81        1.7192   10   2   0
                53.95          1.22        1.6988    7   6   0
                54.31          1.45        1.6882    7   5   1
                54.77          1.83        1.6753    1  10   1
                55.00          1.93        1.6689    8   4   1
                55.32          2.38        1.6600    1  11   0
                55.32          1.83        1.6600    9   4   0
                60.65          1.14        1.5261    7   3   2
                61.71          1.68        1.5025    2   8   2
                62.60          1.49        1.4832    7   7   1
                63.59          8.02        1.4625    4   7   2
                64.46          1.65        1.4447    4  10   1
                64.67          1.66        1.4406    1  12   1
                65.89          1.62        1.4168    3  11   1
                66.44          1.12        1.4064    3   0   3
                67.11          2.36        1.3940    7   8   1
                67.25          1.64        1.3914    3   1   3
                68.31          1.05        1.3724   10   5   1
                69.85          3.54        1.3458   10   2   2
                69.90          1.36        1.3450    1  13   1
                70.04          1.47        1.3427    3   3   3
                71.62          1.25        1.3168    1  11   2
                72.72          1.18        1.2996    9   8   0
                73.03          1.06        1.2948   13   2   1
                76.49          1.12        1.2446   13   3   1
                77.77          1.06        1.2273    2   7   3
                77.77          1.06        1.2273    2   7   3
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.