Gebhardite
      Klaska R, Gebert W
      Zeitschrift fur Kristallographie 159 (1982) 75-76
      Polytypie und struktur von gebhardit - Pb8OCl6(As2O5)2
      Locality: Tsumeb mine, Tsumeb, Namibia
      _database_code_amcsd 0010847

      CELL PARAMETERS:    6.7240  11.2000  34.1900   90.000   85.200   90.000
      SPACE GROUP: P2_1/c    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2565.778
      Density (g/cm3):      6.072
      MAX. ABS. INTENSITY / VOLUME**2:      50.68859735    
      RIR:      2.718
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 5.19          5.82       17.0350    0   0   2         2
                 8.31          3.26       10.6398    0   1   1         4
                 9.45          3.85        9.3585    0   1   2         4
                10.39         33.59        8.5175    0   0   4         2
                13.21        100.00        6.7004    1   0   0         2
                13.79         14.84        6.4211    1   0   2         2
                15.22          1.52        5.8213    0   1   5         4
                15.61          7.66        5.6783    0   0   6         2
                16.13          5.71        5.4944    1   0   4         2
                17.51          6.97        5.0643   -1   0   4         2
                20.53          6.57        4.3264    0   2   5         4
                20.70         13.83        4.2918    1   2   1         4
                20.86          1.14        4.2588    0   0   8         2
                20.98         13.41        4.2350   -1   2   1         4
                21.72         29.64        4.0922    1   2   3         4
                22.51         15.44        3.9493   -1   2   3         4
                23.80          7.25        3.7386    1   0   8         2
                23.88         86.29        3.7259    1   2   5         4
                24.23         78.16        3.6736    0   2   7         4
                24.41          1.03        3.6468    0   3   2         4
                25.09         75.65        3.5497   -1   2   5         4
                25.71          4.61        3.4653   -1   0   8         2
                26.16         31.51        3.4070    0   0  10         2
                26.61         30.77        3.3502    2   0   0         2
                26.93         15.19        3.3105    1   2   7         4
                27.24          1.62        3.2741    0   3   5         4
                27.37          1.10        3.2590    1   3   1         4
                27.56          3.21        3.2364   -2   0   2         2
                27.58          1.02        3.2340   -1   3   1         4
                27.64          1.09        3.2275    1   3   2         4
                27.79          4.07        3.2106    2   0   4         2
                28.07          1.46        3.1793   -1   3   2         4
                28.38         28.33        3.1451    1   0  10         2
                28.44         61.61        3.1387   -1   2   7         4
                28.46          2.61        3.1362    0   2   9         4
                28.91          2.15        3.0879    1   3   4         4
                29.45         42.43        3.0325   -2   0   4         2
                29.81         26.16        2.9973    2   0   6         2
                29.89          1.13        2.9895    1   3   5         4
                30.41         10.78        2.9392   -1   0  10         2
                30.62         69.29        2.9192    1   2   9         4
                30.88          1.03        2.8961   -1   3   5         4
                31.03         11.19        2.8822    2   2   1         4
                31.41         24.57        2.8477   -2   2   1         4
                31.55         66.26        2.8359    2   2   3         4
                31.88          1.22        2.8074    0   3   8         4
                31.96         99.73        2.8000    0   4   0         2
                32.14          1.97        2.7852   -2   0   6         2
                32.35         56.39        2.7678   -1   2   9         4
                32.40          1.00        2.7629    0   4   2         4
                32.67         31.97        2.7406   -2   2   3         4
                32.93         29.19        2.7197    2   2   5         4
                33.23         27.49        2.6965    1   0  12         2
                33.69          5.78        2.6600    0   4   4         4
                34.72          7.06        2.5835    1   4   0         4
                34.73          7.32        2.5833   -2   2   5         4
                34.78          9.41        2.5791    1   2  11         4
                35.35         31.55        2.5390   -1   0  12         2
                35.60          1.01        2.5221    1   3   9         4
                36.67          1.15        2.4510   -1   2  11         4
                36.67          1.29        2.4504   -1   4   4         4
                36.93          1.24        2.4342    2   3   4         4
                37.79          1.31        2.3807    1   4   6         4
                40.24          5.15        2.2411    1   4   8         4
                40.48          3.75        2.2283   -1   0  14         2
                40.62          1.03        2.2209    0   5   2         4
                41.28          2.66        2.1869    2   2  11         4
                41.30          2.44        2.1859   -1   2  13         4
                41.46          6.70        2.1779   -1   4   8         4
                41.76         19.83        2.1632    0   4  10         4
                42.06         19.31        2.1484    2   4   0         4
                42.22         16.88        2.1404    3   0   6         2
                42.48          1.66        2.1280    0   5   5         4
                42.70          4.44        2.1175   -2   4   2         4
                42.70         14.41        2.1174   -3   0   4         2
                42.86          1.87        2.1102    2   4   4         4
                42.97          1.76        2.1048    0   2  15         4
                43.26         18.99        2.0913    1   4  10         4
                43.47          2.03        2.0818   -2   0  12         2
                43.50         10.56        2.0806    3   2   1         4
                43.50          4.20        2.0802    1   0  16         2
                43.74          2.24        2.0694    3   2   3         4
                43.93          7.88        2.0610   -3   2   1         4
                44.02         24.57        2.0572   -2   4   4         4
                44.09          1.45        2.0541    1   2  15         4
                44.13          4.56        2.0523    2   0  14         2
                44.18          1.49        2.0498    3   0   8         2
                44.27         18.07        2.0461    2   4   6         4
                44.32          1.00        2.0436    1   5   5         4
                44.51          8.20        2.0355   -2   2  11         4
                44.66          9.30        2.0290    3   2   5         4
                44.70          6.61        2.0273   -1   4  10         4
                45.11         18.62        2.0100    2   2  13         4
                45.78          2.48        1.9821   -1   0  16         2
                46.20          2.94        1.9650   -1   2  15         4
                46.73          1.38        1.9440    3   0  10         2
                46.75          2.50        1.9430   -3   2   5         4
                46.77         21.16        1.9423    1   4  12         4
                48.01          7.95        1.8950   -2   0  14         2
                48.07          1.60        1.8928    0   0  18         2
                48.23         26.81        1.8869    0   2  17         4
                48.36          1.62        1.8820    3   2   9         4
                48.39         24.96        1.8809   -1   4  12         4
                48.47          1.03        1.8781   -2   4   8         4
                48.66          3.31        1.8711   -2   2  13         4
                48.71          3.65        1.8693    2   0  16         2
                48.90          3.92        1.8627    1   0  18         2
                49.12          5.26        1.8548    1   2  17         4
                49.31          2.52        1.8480    2   2  15         4
                49.79          3.45        1.8315    3   0  12         2
                50.78          1.87        1.7978    1   6   1         4
                51.05          4.58        1.7891    3   2  11         4
                51.24          2.99        1.7829   -1   0  18         2
                51.26          1.45        1.7823    1   6   3         4
                51.33          5.18        1.7801   -1   2  17         4
                51.88         17.59        1.7625   -3   2   9         4
                52.33          9.77        1.7484    1   6   5         4
                52.48          1.08        1.7436   -1   4  14         4
                52.50          6.13        1.7429    0   6   7         4
                52.84          1.24        1.7327   -2   0  16         2
                52.95          9.15        1.7291   -1   6   5         4
                53.07          1.56        1.7255   -3   4   2         4
                53.58          3.70        1.7104    2   0  18         2
                53.81          1.74        1.7035    0   0  20         2
                53.85          1.01        1.7024    2   2  17         4
                53.92         13.21        1.7005    3   4   6         4
                54.21         10.13        1.6919    3   2  13         4
                54.32         11.19        1.6889   -3   4   4         4
                54.35          2.69        1.6881   -3   0  12         2
                54.45          4.08        1.6850    1   0  20         2
                54.60          1.41        1.6808    4   0   2         2
                54.80          2.37        1.6751    4   0   0         2
                54.82          5.49        1.6746   -1   6   7         4
                54.96          2.41        1.6706   -2   4  12         4
                54.99          1.40        1.6698    1   4  16         4
                55.17         11.36        1.6648   -3   2  11         4
                55.52          4.23        1.6553    2   4  14         4
                56.13          8.52        1.6386    1   6   9         4
                56.38          2.38        1.6319    2   6   1         4
                56.62          2.93        1.6256   -2   6   1         4
                56.70          8.10        1.6234    2   6   3         4
                56.92          2.38        1.6178   -1   4  16         4
                57.21         10.56        1.6103   -1   6   9         4
                57.22          2.59        1.6099    3   0  16         2
                57.25         11.22        1.6091    4   2   1         4
                57.40          1.39        1.6053    4   0   8         2
                57.42          3.47        1.6049   -2   6   3         4
                57.58          5.25        1.6007    2   6   5         4
                57.73          2.47        1.5968    3   4  10         4
                57.97          5.04        1.5908    4   2   5         4
                58.75          1.62        1.5717   -4   2   3         4
                58.76          1.61        1.5714   -2   6   5         4
                58.76          3.75        1.5714   -4   0   6         2
                58.80          2.46        1.5705    1   6  11         4
                58.84          6.48        1.5694   -2   4  14         4
                59.30          8.97        1.5583    0   2  21         4
                59.45          1.72        1.5547    2   4  16         4
                59.61          4.26        1.5509    1   4  18         4
                60.19          1.38        1.5374    1   0  22         2
                60.30          4.44        1.5349   -4   2   5         4
                60.39          3.33        1.5327    3   4  12         4
                60.86          4.69        1.5221    4   2   9         4
                61.51          1.70        1.5076    3   0  18         2
                61.68          2.07        1.5039   -1   4  18         4
                61.81          1.22        1.5009    3   2  17         4
                62.36          3.27        1.4890   -4   2   7         4
                62.69          2.85        1.4819   -1   0  22         2
                62.76          3.08        1.4806   -3   0  16         2
                63.07          6.35        1.4740    4   2  11         4
                63.37          1.04        1.4677    2   6  11         4
                63.76          3.44        1.4596    2   4  18         4
                63.82          2.40        1.4585    2   2  21         4
                63.97          1.70        1.4553    0   4  20         4
                64.10          1.43        1.4528    2   0  22         2
                64.45          2.63        1.4457   -3   4  12         4
                64.55          4.08        1.4437    1   4  20         4
                64.68          1.60        1.4411    4   4   2         4
                64.86          3.53        1.4375    4   4   0         4
                64.88          1.17        1.4371    4   0  14         2
                64.90          2.08        1.4367   -4   2   9         4
                65.03          1.94        1.4343    3   6   1         4
                65.36          1.32        1.4278   -3   6   1         4
                65.78          1.19        1.4196    0   0  24         2
                65.80          1.40        1.4193   -2   6  11         4
                65.92          2.16        1.4171    3   6   5         4
                66.26          3.66        1.4105    2   6  13         4
                66.82          9.19        1.4000    0   8   0         2
                67.06          2.23        1.3957    3   4  16         4
                67.22          1.24        1.3926    4   4   8         4
                67.84          1.38        1.3815    0   8   4         4
                68.11          1.28        1.3766   -3   4  14         4
                68.41         12.41        1.3714   -2   2  21         4
                68.47          3.05        1.3703   -4   4   6         4
                68.72          6.47        1.3659    0   6  17         4
                68.88          2.09        1.3632    4   2  15         4
                68.89          1.15        1.3630   -2   0  22         2
                69.23          4.46        1.3571    2   2  23         4
                69.43          1.09        1.3536    1   6  17         4
                69.79          1.42        1.3476    1   4  22         4
                69.96          3.58        1.3448    5   0   2         2
                70.89          1.25        1.3294    5   0   6         2
                71.01          1.26        1.3274    3   6  11         4
                71.01          2.62        1.3274    3   4  18         4
                71.24          1.03        1.3237   -1   6  17         4
                71.69          5.43        1.3164   -3   6   9         4
                72.10          2.12        1.3100    4   0  18         2
                72.11          2.44        1.3098   -1   4  22         4
                72.17          4.74        1.3088   -3   4  16         4
                73.07          1.11        1.2949    0   8  10         4
                73.28          4.48        1.2917    2   8   0         4
                73.43          1.40        1.2895    2   4  22         4
                73.65          2.46        1.2862    3   6  13         4
                73.78          1.69        1.2842    5   0  10         2
                74.03          1.04        1.2805   -5   0   6         2
                74.13          1.28        1.2790    1   8  10         4
                74.16          1.29        1.2786    4   4  14         4
                74.46          3.10        1.2742   -3   6  11         4
                74.67          2.69        1.2711   -2   8   4         4
                74.86          1.53        1.2685    2   8   6         4
                75.02          1.93        1.2662    0   4  24         4
                75.02          2.39        1.2661   -4   0  16         2
                75.14          2.72        1.2644    5   2   9         4
                75.98          6.19        1.2524    3   2  23         4
                76.25          3.71        1.2487    4   6   1         4
                76.25          1.66        1.2487   -5   0   8         2
                76.70          4.39        1.2425    1   8  12         4
                76.87          1.60        1.2401    4   6   5         4
                77.45          2.20        1.2324   -3   2  21         4
                77.55          5.01        1.2310    0   2  27         4
                77.72          2.48        1.2287    1   2  27         4
                77.81          1.32        1.2275   -1   4  24         4
                77.93          4.31        1.2260   -1   8  12         4
                78.04          4.05        1.2245    0   6  21         4
                78.92          1.44        1.2131   -4   6   5         4
                78.98          5.22        1.2122    5   4   2         4
                79.42          1.32        1.2067    4   6   9         4
                79.52          1.13        1.2054   -4   0  18         2
                79.88          2.34        1.2009    5   4   6         4
                80.94          1.00        1.1878    4   0  22         2
                81.04          3.23        1.1866    4   4  18         4
                81.22          1.26        1.1844   -5   4   4         4
                81.24          1.29        1.1842    1   4  26         4
                81.39          2.52        1.1823    4   6  11         4
                82.29          2.16        1.1716    3   8   6         4
                82.62          1.81        1.1678   -3   8   4         4
                82.62          1.21        1.1678   -5   2  11         4
                82.66          1.64        1.1673    5   4  10         4
                82.91          1.35        1.1645   -5   4   6         4
                83.87          3.44        1.1536   -4   4  16         4
                84.78          1.15        1.1435   -1   8  16         4
                85.06          1.47        1.1405   -5   4   8         4
                86.29          5.04        1.1274   -2   6  21         4
                86.41          1.25        1.1260   -2   8  14         4
                87.06          1.58        1.1194    2   6  23         4
                87.08          1.35        1.1191    1   8  18         4
                87.68          1.02        1.1130   -5   4  10         4
                88.27          1.62        1.1071   -4   4  18         4
                88.58          1.29        1.1040    2   0  30         2
                89.24          1.91        1.0976    5   2  19         4
                89.24          1.74        1.0975    6   2   1         4
                89.67          1.37        1.0934    4   4  22         4
                89.73          1.60        1.0928    1  10   5         4
                89.74          2.26        1.0927   -5   2  15         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.