Semseyite
      Kohatsu J J, Wuensch B J
      American Mineralogist 59 (1974) 1127-1127
      Semseyite (Pb9Sb8S21) and the crystal chemistry of the plagionite group,
      Pb3+2nSb8S15+2n
      Note: structure from ICSD
      _database_code_amcsd 0000427

      CELL PARAMETERS:   13.6030  11.9360  24.4530   90.000  106.047   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3815.619
      Density (g/cm3):      6.113
      MAX. ABS. INTENSITY / VOLUME**2:      40.59850675    
      RIR:      2.162
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.52         12.98       11.7501    0   0   2         2
                11.36          4.09        7.7895    1   1   1         4
                11.37          2.52        7.7816   -1   1   2         4
                13.55          1.65        6.5365    2   0   0         2
                13.56         10.61        6.5302   -2   0   2         2
                13.64         13.64        6.4940    1   1   2         4
                14.84          4.86        5.9680    0   2   0         2
                15.08          2.70        5.8750    0   0   4         2
                16.48          8.92        5.3787    1   1   3         4
                16.66          4.15        5.3210    0   2   2         4
                17.25          6.10        5.1403    2   0   2         2
                19.66         14.17        4.5157    1   1   4         4
                19.68          3.86        4.5110   -1   1   5         4
                20.15          1.56        4.4073    2   2   0         4
                21.04          1.25        4.2223   -3   1   1         4
                21.05         14.87        4.2210   -3   1   2         4
                21.22         28.33        4.1868    0   2   4         4
                22.70          2.23        3.9167    0   0   6         2
                22.86          9.85        3.8908   -2   2   4         4
                22.98          1.13        3.8699    2   0   4         2
                23.03         32.75        3.8617   -3   1   4         4
                23.04         31.82        3.8594    1   1   5         4
                23.37         21.35        3.8063    1   3   0         4
                23.37         78.65        3.8060   -1   3   1         4
                23.99         29.12        3.7096   -1   3   2         4
                24.10          4.70        3.6924    0   2   5         4
                24.86          3.33        3.5816   -3   1   5         4
                24.99         29.94        3.5634   -2   2   5         4
                25.17         16.04        3.5385    1   3   2         4
                25.18          9.88        3.5373   -1   3   3         4
                26.20         25.23        3.4007   -4   0   2         2
                26.57         83.26        3.3548    1   1   6         4
                27.07          3.92        3.2938    3   1   3         4
                27.12         48.46        3.2884   -3   1   6         4
                27.23          1.22        3.2745    0   2   6         4
                27.29         74.64        3.2682    4   0   0         2
                27.31          1.09        3.2651   -4   0   4         2
                27.47         56.14        3.2470    2   2   4         4
                27.50         78.68        3.2432   -2   2   6         4
                28.96          2.86        3.0832    1   3   4         4
                29.70          2.57        3.0083   -2   0   8         2
                29.71         52.52        3.0067   -3   1   7         4
                29.94          3.30        2.9848   -3   3   1         4
                29.94         14.10        2.9844   -3   3   2         4
                29.94          4.52        2.9840    0   4   0         2
                30.20         10.13        2.9592    1   1   7         4
                30.25          7.38        2.9547   -4   2   2         4
                30.28         60.88        2.9521    2   2   5         4
                30.31          4.84        2.9487   -2   2   7         4
                30.35          5.63        2.9455    4   0   2         2
                30.42         49.04        2.9382    3   3   0         4
                30.44          1.19        2.9369   -3   3   3         4
                30.50          2.16        2.9311   -4   2   3         4
                30.92          1.48        2.8922    0   4   2         4
                31.20          4.19        2.8666    4   2   0         4
                31.23         21.36        2.8644   -4   2   4         4
                31.38         79.84        2.8508    3   3   1         4
                31.41          1.23        2.8480    1   3   5         4
                31.43          1.59        2.8466   -1   3   6         4
                32.40         19.66        2.7632   -4   2   5         4
                32.58         31.10        2.7485   -3   1   8         4
                32.77         13.32        2.7331    3   3   2         4
                32.77          8.42        2.7326   -2   4   1         4
                32.80          4.08        2.7307   -3   3   5         4
                33.00         20.03        2.7145    2   4   0         4
                33.00          7.61        2.7141   -2   4   2         4
                33.32         52.59        2.6893    2   2   6         4
                33.35          7.13        2.6863   -2   2   8         4
                33.69          1.29        2.6605    0   4   4         4
                33.84          1.13        2.6486   -5   1   2         4
                33.94          1.52        2.6412   -1   1   9         4
                33.98         13.21        2.6380   -4   2   6         4
                34.58          1.32        2.5939   -3   3   6         4
                34.78          2.79        2.5795   -2   4   4         4
                34.91          1.10        2.5701    4   0   4         2
                35.17          1.23        2.5517   -5   1   5         4
                35.64          2.90        2.5192    0   4   5         4
                36.27          2.70        2.4770   -2   4   5         4
                36.90         29.87        2.4362   -2   0  10         2
                37.71          1.75        2.3854    1   1   9         4
                38.08          1.52        2.3631    2   4   4         4
                38.12         12.43        2.3606    4   2   4         4
                38.30          2.36        2.3500    0   0  10         2
                38.73          2.13        2.3251   -1   5   2         4
                39.11          2.12        2.3031   -3   3   8         4
                39.51          1.27        2.2808   -1   5   3         4
                39.93          5.84        2.2578    2   2   8         4
                39.97          1.73        2.2555   -2   2  10         4
                40.20         17.44        2.2434   -5   3   2         4
                40.20         14.70        2.2430   -5   3   3         4
                40.23          1.49        2.2418    2   4   5         4
                40.26          2.30        2.2400    1   3   8         4
                40.28          3.45        2.2389   -1   3   9         4
                40.40          2.60        2.2326   -4   4   3         4
                40.44         11.11        2.2303    0   4   7         4
                40.57         11.99        2.2235   -5   3   1         4
                40.65          3.86        2.2197    4   2   5         4
                40.66         19.15        2.2189   -1   5   4         4
                40.95          2.65        2.2037    4   4   0         4
                41.60          7.09        2.1710   -1   1  11         4
                41.73          1.09        2.1647    3   3   6         4
                41.91          2.30        2.1556   -4   4   5         4
                42.15         57.58        2.1437   -1   5   5         4
                42.42          1.43        2.1307    5   3   1         4
                42.65          1.42        2.1200    2   4   6         4
                43.15          2.01        2.0963    4   4   2         4
                43.22         10.51        2.0934    0   4   8         4
                43.22          1.17        2.0932   -3   5   3         4
                43.40          8.95        2.0851   -6   2   5         4
                43.45          1.24        2.0827    2   2   9         4
                43.58          1.03        2.0766    1   3   9         4
                43.86          3.39        2.0642    5   3   2         4
                43.91          1.77        2.0620   -5   3   7         4
                43.94          1.92        2.0606   -3   5   4         4
                43.96          7.42        2.0597   -1   5   6         4
                44.29         36.24        2.0450   -6   2   6         4
                44.39          3.11        2.0406   -6   0   8         2
                44.42          8.07        2.0392    2   0  10         2
                44.66          1.54        2.0289   -3   3  10         4
                44.72         12.11        2.0263    5   1   5         4
                44.79          3.73        2.0233   -4   4   7         4
                44.98          4.85        2.0155    3   5   2         4
                45.52         12.35        1.9926   -6   2   7         4
                45.54         17.39        1.9920   -1   1  12         4
                45.67          1.14        1.9867   -5   3   8         4
                46.04          2.77        1.9714    1   5   6         4
                46.20          7.78        1.9650    0   4   9         4
                46.35          9.49        1.9588    3   5   3         4
                46.37          1.95        1.9581    4   2   7         4
                46.38          1.30        1.9576   -3   5   6         4
                46.64          2.30        1.9474    4   4   4         4
                46.69          6.67        1.9454   -4   4   8         4
                47.00          1.48        1.9333    6   2   2         4
                47.04          1.27        1.9317   -4   0  12         2
                47.05          3.01        1.9313    1   3  10         4
                47.09          2.46        1.9297    2   2  10         4
                47.14          1.70        1.9279   -2   2  12         4
                47.44          6.32        1.9163   -7   1   4         4
                47.46         27.03        1.9157    5   1   6         4
                47.63          4.87        1.9093   -2   6   1         4
                47.64          2.59        1.9089    5   3   4         4
                47.70          1.59        1.9064   -5   3   9         4
                47.74          8.14        1.9050   -3   3  11         4
                47.76          5.34        1.9042   -7   1   2         4
                47.79          1.17        1.9031    2   6   0         4
                47.80          2.84        1.9030   -2   6   2         4
                48.03          3.49        1.8942    3   5   4         4
                48.07          2.20        1.8929   -3   5   7         4
                48.29         10.77        1.8848    2   6   1         4
                48.30          2.64        1.8845   -2   6   3         4
                48.39          2.35        1.8809    1   5   7         4
                48.41          5.77        1.8804   -1   5   8         4
                48.45          1.86        1.8787   -7   1   6         4
                48.49          7.32        1.8773   -6   0  10         2
                48.86          3.83        1.8640   -4   4   9         4
                49.11          9.65        1.8552    2   6   2         4
                49.12          3.42        1.8548   -2   6   4         4
                49.36          9.43        1.8462    0   4  10         4
                49.44          2.41        1.8434   -7   1   7         4
                49.48          2.35        1.8420    3   1  10         4
                49.55         12.99        1.8396   -1   1  13         4
                49.77          1.26        1.8320    0   6   5         4
                49.99         10.47        1.8245    3   5   5         4
                50.00          2.55        1.8241   -5   3  10         4
                50.40          2.82        1.8107    5   1   7         4
                50.49          9.03        1.8075   -5   1  12         4
                50.65          9.36        1.8021    1   3  11         4
                50.68          4.11        1.8014   -1   3  12         4
                50.74          6.25        1.7994   -7   1   8         4
                50.85          1.24        1.7956    2   2  11         4
                50.90          6.06        1.7940   -2   2  13         4
                50.91         13.64        1.7935    6   2   4         4
                51.00          3.19        1.7909   -3   3  12         4
                51.21          5.22        1.7837    4   4   6         4
                51.24          1.02        1.7829   -5   5   1         4
                51.25          5.50        1.7825   -5   5   4         4
                51.53          1.23        1.7737    0   6   6         4
                51.89         15.06        1.7622   -5   5   5         4
                51.97          8.49        1.7597    6   4   0         4
                52.20          2.63        1.7522    3   5   6         4
                52.32          2.19        1.7487   -7   1   9         4
                52.69          7.81        1.7371    0   4  11         4
                53.05          3.64        1.7263    6   4   1         4
                53.25          3.61        1.7201    6   2   5         4
                53.27          8.74        1.7196    3   1  11         4
                53.35          4.66        1.7173   -7   3   1         4
                53.55          3.18        1.7114    0   6   7         4
                53.62          5.49        1.7091   -5   1  13         4
                53.80          2.82        1.7040   -1   5  10         4
                53.85          5.30        1.7024    4   4   7         4
                53.92         12.14        1.7004   -4   4  11         4
                54.06          2.01        1.6964   -5   5   7         4
                54.25          4.12        1.6908   -1   7   1         4
                54.26          6.20        1.6906    7   3   0         4
                54.38          3.59        1.6870    1   3  12         4
                54.51         12.64        1.6833   -8   0   2         2
                54.72          2.90        1.6774    2   2  12         4
                55.16          1.74        1.6652    1   7   2         4
                55.29          4.14        1.6615   -5   3  12         4
                55.46          3.16        1.6568    7   3   1         4
                55.57          2.94        1.6537   -5   5   8         4
                56.30          8.99        1.6341    8   0   0         2
                56.77          9.80        1.6216   -4   4  12         4
                56.86          1.88        1.6193   -8   2   6         4
                57.01          1.22        1.6155   -7   3   9         4
                57.17          3.20        1.6112    3   1  12         4
                57.80          5.64        1.5951   -3   7   1         4
                57.80          2.64        1.5951   -3   7   2         4
                57.82          1.94        1.5946   -1   1  15         4
                58.09          1.00        1.5879    3   7   0         4
                58.31          1.32        1.5824    0   6   9         4
                58.57          1.67        1.5761    8   2   0         4
                58.67          1.72        1.5737    3   7   1         4
                58.70          5.97        1.5727    2   2  13         4
                58.71          4.27        1.5726   -6   2  13         4
                59.20          1.70        1.5608    8   0   2         2
                59.74          1.90        1.5479    4   4   9         4
                59.82          1.19        1.5460   -4   4  13         4
                60.04          1.83        1.5409   -4   2  15         4
                60.59          1.63        1.5282   -4   6   9         4
                60.66          1.43        1.5266    3   7   3         4
                60.77          3.06        1.5242   -7   3  11         4
                61.16          1.32        1.5153    0   2  15         4
                61.29          1.61        1.5125    5   3   9         4
                61.62          2.92        1.5052    3   3  12         4
                61.70          1.25        1.5033   -6   2  14         4
                62.07          2.30        1.4953   -6   6   3         4
                62.10          3.64        1.4947   -1   1  16         4
                62.21          4.07        1.4922   -6   6   4         4
                62.38          1.45        1.4886   -1   7   8         4
                62.78          4.00        1.4801    0   8   2         4
                62.97          7.37        1.4761    4   4  10         4
                63.01          4.28        1.4753   -7   3  12         4
                63.04          1.21        1.4746   -8   4   3         4
                63.05          1.46        1.4743   -4   4  14         4
                63.29          1.63        1.4693    3   5  10         4
                63.47          1.98        1.4657    0   8   3         4
                63.60          1.55        1.4630    0   4  14         4
                63.72          1.95        1.4604    3   7   5         4
                63.82          3.42        1.4585   -4   2  16         4
                63.95          3.07        1.4559    0   6  11         4
                64.03          1.08        1.4542   -5   1  16         4
                64.26          5.06        1.4495    6   6   1         4
                64.43          1.66        1.4461    0   8   4         4
                64.61          1.80        1.4426    5   3  10         4
                64.80          4.02        1.4388   -5   7   1         4
                65.13          1.62        1.4322   -8   4   8         4
                65.25          1.91        1.4299    8   2   4         4
                65.34          3.87        1.4283    5   7   0         4
                65.44          1.24        1.4262    0   2  16         4
                65.48          2.56        1.4255   -7   3  13         4
                65.48          4.62        1.4254    6   6   2         4
                65.67          2.66        1.4219    7   5   2         4
                65.67          2.25        1.4218   -3   7   9         4
                65.99          1.93        1.4157    9   1   1         4
                66.04          1.55        1.4146    6   0  10         2
                66.38          3.48        1.4083    4   4  11         4
                66.43          3.03        1.4074   -9   3   3         4
                66.62          1.59        1.4038   -3   5  14         4
                66.96          1.59        1.3976   -9   3   2         4
                67.01          3.74        1.3967    1   7   9         4
                67.06          1.90        1.3956    0   6  12         4
                67.27          1.31        1.3918   -2   8   6         4
                67.27          2.49        1.3917    7   5   3         4
                67.60          1.54        1.3858   -4   6  12         4
                67.82          3.49        1.3819   -5   1  17         4
                67.82          2.25        1.3819   -3   7  10         4
                68.86          1.67        1.3634    0   8   7         4
                69.23          2.83        1.3570   -4   8   4         4
                69.55          3.03        1.3516   -3   3  17         4
                69.55          4.08        1.3516   -9   1  12         4
                69.56          2.88        1.3514   -8   4  11         4
                69.60          1.63        1.3508    3   1  15         4
                69.66          1.42        1.3498    1   7  10         4
                69.80          2.45        1.3475   -4   0  18         2
                69.90          1.23        1.3458   -4   8   5         4
                70.15          2.11        1.3415    3   7   8         4
                70.19          1.18        1.3408   -9   3  10         4
                70.20          3.65        1.3407   -3   7  11         4
                70.38          2.63        1.3378   -4   6  13         4
                70.42          2.65        1.3370    2   8   6         4
                70.45          1.85        1.3366   -2   8   8         4
                70.57          2.33        1.3346    1   5  14         4
                70.79          1.81        1.3310    4   8   2         4
                71.22          2.37        1.3240  -10   2   6         4
                71.22          2.83        1.3240    7   5   5         4
                71.50          1.16        1.3194    1   9   0         4
                71.53          2.48        1.3190   -8   4  12         4
                71.62          1.10        1.3177  -10   2   7         4
                71.65          1.94        1.3171   -9   1  13         4
                71.66          1.83        1.3169    6   2  11         4
                71.76          2.54        1.3153   -5   1  18         4
                71.82          1.07        1.3144   -4   2  18         4
                71.99          1.54        1.3117   -4   8   7         4
                72.28          1.13        1.3072    1   9   2         4
                72.37          1.96        1.3057    2   8   7         4
                72.38          3.36        1.3056    0   0  18         2
                73.18          1.39        1.2933   -2   4  17         4
                73.36          1.83        1.2905   -4   6  14         4
                73.54          3.08        1.2878    7   5   6         4
                73.71          1.71        1.2853   -3   3  18         4
                73.73          1.04        1.2851    8   0   8         2
                73.85          1.37        1.2833    9   1   5         4
                74.01          2.67        1.2808    3   1  16         4
                74.04          1.32        1.2804    7   3   9         4
                74.08          1.75        1.2798    1   9   4         4
                74.30          2.00        1.2766   -9   5   4         4
                74.31          3.79        1.2765   -9   5   5         4
                74.40          2.83        1.2750   -8   6   7         4
                74.56          1.14        1.2728    2   8   8         4
                74.74          1.51        1.2701   -7   7   1         4
                74.96          2.48        1.2670    1   3  17         4
                75.09          4.74        1.2651   -9   5   7         4
                75.35          3.47        1.2613   -3   9   4         4
                75.39          1.54        1.2608    6   2  12         4
                75.45          2.75        1.2600  -10   0  12         2
                75.62          1.31        1.2575   -3   7  13         4
                75.86          2.76        1.2542   -9   5   8         4
                75.86          2.90        1.2542   -8   2  16         4
                76.04          2.02        1.2516    8   4   6         4
                76.29          1.66        1.2481    5   7   7         4
                76.39          2.53        1.2468    9   1   6         4
                76.48          2.73        1.2455    4   6  11         4
                76.54          1.13        1.2447   -9   1  15         4
                76.95          2.66        1.2390    7   1  11         4
                77.14          1.63        1.2365   -3   9   6         4
                77.31          1.33        1.2342   10   2   2         4
                77.33          1.22        1.2339    2   4  16         4
                77.39          2.68        1.2332   -2   4  18         4
                77.49          1.36        1.2318   -7   3  17         4
                78.16          1.78        1.2229  -10   4   2         4
                78.43          2.19        1.2194  -11   1   8         4
                78.69          2.86        1.2160    8   4   7         4
                78.81          1.14        1.2144    5   7   8         4
                79.02          1.07        1.2117   -8   2  17         4
                79.09          2.41        1.2108   -2   6  16         4
                79.35          2.05        1.2076   -7   7  10         4
                79.51          2.03        1.2055    1   3  18         4
                79.60          2.98        1.2044   -6   8   8         4
                79.88          1.25        1.2009    4   6  12         4
                80.59          1.72        1.1921    0  10   1         4
                80.72          1.14        1.1904    7   1  12         4
                80.98          1.13        1.1873   -6   8   9         4
                81.01          1.95        1.1869   -7   3  18         4
                81.10          4.31        1.1858   -7   7  11         4
                81.31          2.50        1.1833   10   2   4         4
                81.39          2.32        1.1824   -6   4  18         4
                81.56          2.08        1.1803    5   7   9         4
                81.59          1.23        1.1800    0  10   3         4
                81.72          1.52        1.1783    2   4  17         4
                81.78          1.24        1.1777   -2   4  19         4
                82.33          1.35        1.1713   -9   1  17         4
                82.91          1.07        1.1644    2   6  15         4
                82.96          2.20        1.1639   -2   6  17         4
                83.01          1.27        1.1633    7   7   5         4
                83.09          1.63        1.1624    5   9   2         4
                83.99          1.98        1.1522  -11   3   1         4
                84.05          1.32        1.1515   -6   6  16         4
                84.66          1.17        1.1448    8   4   9         4
                85.22          2.75        1.1387   11   3   0         4
                85.81          1.45        1.1324    5   9   4         4
                85.86          1.55        1.1319   -8   6  14         4
                86.11          1.14        1.1292    1   7  15         4
                86.49          1.06        1.1252    6   8   6         4
                86.52          1.63        1.1249   -4  10   3         4
                86.85          1.95        1.1215   -8   8   4         4
                87.00          1.73        1.1200    2   6  16         4
                87.40          1.74        1.1159   -6   6  17         4
                87.50          1.13        1.1149    4  10   1         4
                87.64          2.09        1.1134  -12   0   2         2
                87.86          1.84        1.1112    4   0  18         2
                87.99          1.07        1.1099    8   4  10         4
                88.34          1.12        1.1064    5   3  16         4
                89.88          1.34        1.0914   -2  10   9         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.