Pyrargyrite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050318
      Engel P, Nowacki W
      Neues Jahrbuch fur Mineralogie, Monatshefte 1966 (1966) 181-184
      Die verfeinerung der kristallstruktur von proustit, Ag3AsS3 und pyrargyrit, Ag3SbS3

      CELL PARAMETERS:   11.04000   11.04000   8.720000   90.00000   90.00000   120.0000
      SPACE GROUP: R3c
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                22.47         13.62        3.9641    0   1   2
                26.74         67.96        3.3386    2   1   1
                27.74         44.66        3.2201    2   0   2
                28.03         59.53        3.1877    3   0   0
                32.22        100.00        2.7816    1   2   2
                32.47         10.91        2.7607    2   2   0
                34.94         62.65        2.5701    1   1   3
                35.41         60.87        2.5374    1   3   1
                39.82         19.81        2.2654    3   1   2
                42.52         12.37        2.1275    3   2   1
                42.60          8.59        2.1236    1   0   4
                43.19          3.08        2.0959    0   4   2
                43.39          9.86        2.0869    4   1   0
                45.35          3.36        2.0008    2   2   3
                45.80          1.60        1.9820    0   2   4
                46.36         30.43        1.9594    2   3   2
                48.84         19.26        1.8655    2   1   4
                49.55          6.42        1.8404    3   3   0
                51.67          7.61        1.7696    2   4   1
                52.25         13.12        1.7513    5   0   2
                54.13          1.33        1.6947    1   4   3
                54.13          1.74        1.6947    4   1   3
                54.53         19.02        1.6832    1   3   4
                55.02         13.44        1.6693    4   2   2
                57.23          9.28        1.6100    4   0   4
                57.71          8.40        1.5979    1   5   2
                57.86          7.40        1.5939    6   0   0
                58.85          3.57        1.5695    1   2   5
                59.47          1.18        1.5545    3   3   3
                59.78          3.67        1.5472    4   3   1
                60.46         12.81        1.5313    5   2   0
                62.85          1.99        1.4788    3   4   2
                63.93          4.45        1.4563    3   1   5
                64.14          3.20        1.4520    0   0   6
                64.82          1.17        1.4384    1   6   1
                66.60          5.08        1.4042    1   1   6
                67.33          6.23        1.3908    2   4   4
                67.76          3.74        1.3829    6   1   2
                68.81          1.22        1.3644    2   3   5
                69.38          1.24        1.3545    5   2   3
                69.38          1.72        1.3545    2   5   3
                69.72          2.79        1.3487    5   1   4
                72.03          1.18        1.3111    6   2   1
                73.72          1.92        1.2851    2   2   6
                74.83          1.31        1.2687    2   6   2
                74.97          2.96        1.2667    7   1   0
                75.83          1.42        1.2544    4   2   5
                79.00          4.16        1.2118    1   6   4
                80.59          2.27        1.1919    4   1   6
                81.67          2.08        1.1788    4   5   2
                83.19          1.71        1.1610    1   7   3
                83.19          1.84        1.1610    7   1   3
                83.52          1.35        1.1573    3   5   4
                83.92          1.28        1.1528    8   0   2
                85.09          3.02        1.1399    3   3   6
                85.76          3.21        1.1327    6   2   4
                86.33          1.07        1.1267    1   3   7
                86.33          1.07        1.1267    1   3   7
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.