Nadorite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R050523
      Giuseppetti G, Tadini C
      Periodico di Mineralogia 42 (1973) 335-345
      Riesame della struttura cristallina della nadorite: PbSbO2Cl
      Locality: Djebel Nador, Algeria

      CELL PARAMETERS:   5.5900 12.2370  5.4370   90.000   90.000   90.000
      SPACE GROUP: Cmcm      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Pb     0.00000   0.38120   0.25000     1.000     1.119
            Sb     0.00000   0.07950   0.25000     1.000     1.020
            O      0.21830   0.00000   0.00000     1.000     0.767
            Cl     0.00000   0.74580   0.25000     1.000     1.835

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  5 +/- 11 +/-  4
            MAX. ABS. INTENSITY / VOLUME**2:      252.9751807    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                14.48         11.10        6.1185    0   2   0
                17.44          2.55        5.0846    1   1   0
                21.87         12.28        4.0642    0   2   1
                23.96         52.43        3.7137    1   1   1
                27.06         16.04        3.2950    1   3   0
                29.19         10.16        3.0593    0   4   0
                31.75        100.00        2.8179    1   3   1
                32.02         26.37        2.7950    2   0   0
                32.95         23.98        2.7185    0   0   2
                33.61          2.40        2.6662    0   4   1
                37.52          1.66        2.3974    1   1   2
                39.11          5.62        2.3030    2   2   1
                40.22          1.46        2.2419    1   5   0
                43.14          7.19        2.0969    1   3   2
                43.67          2.17        2.0726    1   5   1
                43.88         12.14        2.0635    2   4   0
                44.42          2.63        2.0395    0   6   0
                44.59         11.78        2.0321    0   4   2
                46.61         24.01        1.9488    2   0   2
                47.11          1.72        1.9292    2   4   1
                47.62          7.46        1.9096    0   6   1
                49.06          1.64        1.8568    2   2   2
                52.45          6.15        1.7447    3   1   1
                52.67          1.16        1.7377    0   2   3
                53.69          5.71        1.7071    1   1   3
                54.11          1.50        1.6949    3   3   0
                55.04          3.85        1.6685    1   7   0
                55.80          4.40        1.6475    2   6   0
                55.94          6.98        1.6436    2   4   2
                56.40          4.32        1.6314    0   6   2
                56.91         16.24        1.6181    3   3   1
                57.81          5.91        1.5950    1   7   1
                58.09         15.14        1.5880    1   3   3
                58.54          7.59        1.5767    2   6   1
                60.53          1.03        1.5296    0   8   0
                62.99          1.30        1.4757    2   2   3
                64.83          2.55        1.4382    3   3   2
                65.66          4.68        1.4220    1   7   2
                66.34          2.88        1.4090    2   6   2
                66.96          3.35        1.3975    4   0   0
                69.11          3.12        1.3592    0   0   4
                69.37          2.13        1.3547    0   6   3
                71.40          1.80        1.3211    1   9   0
                73.27          2.06        1.2919    3   1   3
                74.41          1.66        1.2749    3   7   0
                74.67          1.47        1.2711    4   4   0
                75.69          1.34        1.2565    1   3   4
                76.67          3.49        1.2429    4   0   2
                76.72          1.26        1.2422    0   4   4
                76.79          2.33        1.2412    3   7   1
                77.04          5.77        1.2379    3   3   3
                77.81          2.24        1.2275    1   7   3
                78.20          3.18        1.2224    2   0   4
                78.45          2.86        1.2191    2   6   3
                79.69          1.56        1.2032    2   8   2
                80.44          2.37        1.1938    0  10   1
                80.90          2.64        1.1883    1   9   2
                83.81          1.78        1.1543    3   7   2
                84.06          2.77        1.1515    4   4   2
                85.56          2.75        1.1351    2   4   4
                86.25          2.18        1.1278    4   6   1
                89.16          1.09        1.0983    3   9   0
                89.21          3.56        1.0979    2  10   1
                89.95          1.15        1.0907    5   1   1
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.