Chloroxiphite
      Siidra O I, Krivovichev S V, Turner R W, Rumsey M S
      Mineralogical Magazine 72 (2008) 793-798
      Chloroxiphite Pb3CuO2(OH)2Cl2: structure refinement and description in
      terms of oxocentred OPb4 tetrahedra
      Locality: Merehead Quarry, Somerset, England
      _database_code_amcsd 0019224

      CELL PARAMETERS:    6.6972   5.7538  10.4686   90.000   97.747   90.000
      SPACE GROUP: P2_1/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    399.719
      Density (g/cm3):      6.812
      MAX. ABS. INTENSITY / VOLUME**2:      107.2983771    
      RIR:      5.128
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.52         74.89       10.3731    0   0   1         2
                13.34          8.84        6.6361    1   0   0         2
                14.85         32.58        5.9671   -1   0   1         2
                17.10          1.90        5.1865    0   0   2         2
                17.63          1.75        5.0316    0   1   1         4
                20.26          2.32        4.3832   -1   0   2         2
                20.43          3.67        4.3473    1   1   0         4
                21.45         28.25        4.1419   -1   1   1         4
                22.87         49.34        3.8888    1   1   1         4
                23.09         50.51        3.8524    0   1   2         4
                23.15          2.58        3.8429    1   0   2         2
                25.55         20.26        3.4867   -1   1   2         4
                26.87          3.28        3.3180    2   0   0         2
                27.09         17.50        3.2917   -2   0   1         2
                27.43          5.09        3.2513   -1   0   3         2
                27.92          6.78        3.1957    1   1   2         4
                29.95         18.05        2.9835   -2   0   2         2
                30.15         28.41        2.9637    0   1   3         4
                30.73         48.85        2.9099    1   0   3         2
                31.09         51.32        2.8769    0   2   0         2
                31.12         82.51        2.8744    2   1   0         4
                31.61        100.00        2.8306   -1   1   3         4
                32.29         17.29        2.7723    0   2   1         4
                33.30         56.18        2.6903    2   1   1         4
                33.96          7.19        2.6395    1   2   0         4
                34.86          4.01        2.5736   -2   0   3         2
                35.42          1.57        2.5340   -1   0   4         2
                35.54          6.32        2.5259    1   2   1         4
                35.69          6.94        2.5158    0   2   2         4
                37.50          1.40        2.3982    2   1   2         4
                38.06          4.77        2.3642    0   1   4         4
                38.83          7.76        2.3190   -1   1   4         4
                38.96         13.21        2.3120    1   0   4         2
                39.11          1.20        2.3030    1   2   2         4
                40.12          2.73        2.2475    2   0   3         2
                40.54          2.44        2.2254   -3   0   1         2
                40.80          2.44        2.2115    0   2   3         4
                41.19          4.97        2.1916   -2   0   4         2
                41.70          5.73        2.1662   -2   2   1         4
                42.20         11.83        2.1415   -3   0   2         2
                42.94          5.47        2.1062    3   0   1         2
                43.22          1.19        2.0934    2   1   3         4
                43.28          1.87        2.0907    2   2   1         4
                43.61          2.63        2.0756   -3   1   1         4
                43.71         32.15        2.0710   -2   2   2         4
                43.94         10.09        2.0608   -1   0   5         2
                44.22          3.09        2.0481   -2   1   4         4
                44.27         26.54        2.0458    1   2   3         4
                45.61          3.75        1.9890   -3   0   3         2
                46.77          8.86        1.9424    3   0   2         2
                48.42          1.70        1.8799   -3   1   3         4
                48.52          2.81        1.8764   -2   0   5         2
                49.95          2.76        1.8259   -1   3   1         4
                50.05          2.36        1.8225    2   1   4         4
                50.38          2.62        1.8112    1   1   5         4
                50.64          6.04        1.8025    1   3   1         4
                50.65         23.36        1.8022    1   2   4         4
                50.75          6.37        1.7989    0   3   2         4
                51.61          8.80        1.7711    2   2   3         4
                52.05          2.79        1.7571   -1   3   2         4
                52.16          2.42        1.7536    3   2   0         4
                52.49          1.60        1.7434   -2   2   4         4
                52.90          6.18        1.7309   -1   0   6         2
                53.11          5.29        1.7245   -3   1   4         4
                53.33          7.63        1.7178   -3   2   2         4
                53.39          1.05        1.7161    1   3   2         4
                53.95          8.27        1.6995    3   2   1         4
                54.56          5.75        1.6820    3   1   3         4
                54.73          4.89        1.6772    0   3   3         4
                54.80         13.99        1.6753   -1   2   5         4
                55.30          1.35        1.6613    2   0   5         2
                55.33         14.49        1.6605    2   3   0         4
                55.38          1.41        1.6590    4   0   0         2
                55.50         11.79        1.6557    0   1   6         4
                55.64         18.07        1.6519   -1   3   3         4
                56.22         10.36        1.6361   -3   2   3         4
                56.62          3.40        1.6256   -2   0   6         2
                56.73         11.13        1.6226    2   3   1         4
                57.22          3.64        1.6098    3   2   2         4
                57.33          9.72        1.6071   -4   1   1         4
                57.42          8.13        1.6048    4   0   1         2
                57.76          1.68        1.5961    2   1   5         4
                58.31          7.72        1.5824   -4   1   2         4
                59.01         12.37        1.5652   -3   1   5         4
                59.24          8.63        1.5599    1   1   6         4
                59.99          1.09        1.5420    0   3   4         4
                60.54          1.98        1.5293   -1   3   4         4
                60.75         14.10        1.5245    3   1   4         4
                62.23          3.20        1.4918   -4   0   4         2
                62.64          3.24        1.4831   -1   2   6         4
                63.99          2.96        1.4549    2   0   6         2
                64.82          8.96        1.4384    0   4   0         2
                64.88          2.89        1.4372    4   2   0         4
                64.99          4.32        1.4350    0   1   7         4
                66.01          5.88        1.4153   -2   2   6         4
                66.74          5.14        1.4015    4   2   1         4
                67.61          1.36        1.3857   -4   2   3         4
                69.56          1.87        1.3514   -4   1   5         4
                71.20          1.57        1.3243   -4   2   4         4
                71.59          1.93        1.3181   -2   4   1         4
                71.73          2.11        1.3159   -3   0   7         2
                71.76          1.95        1.3154   -3   3   4         4
                72.85          1.43        1.2983    2   2   6         4
                72.98          2.20        1.2963    3   3   3         4
                73.02          3.04        1.2957   -2   4   2         4
                73.04          2.04        1.2954   -5   1   2         4
                73.41          2.72        1.2899    2   0   7         2
                73.43          6.76        1.2895    1   4   3         4
                73.79          4.57        1.2841    0   3   6         4
                74.38          1.10        1.2754    4   2   3         4
                74.49          1.11        1.2737   -1   1   8         4
                75.37          4.09        1.2611   -4   3   1         4
                76.02          1.77        1.2519   -5   0   4         2
                76.23          3.25        1.2490   -4   3   2         4
                76.84          5.30        1.2405   -3   3   5         4
                77.04          3.66        1.2378    1   3   6         4
                77.08          4.90        1.2373   -2   1   8         4
                78.28          3.04        1.2214    1   4   4         4
                78.39          6.20        1.2199    3   3   4         4
                78.53          1.74        1.2181    4   0   5         2
                78.55          4.83        1.2178    5   1   2         4
                79.54          1.71        1.2052    5   2   0         4
                79.74          1.08        1.2026   -2   4   4         4
                80.22          2.02        1.1967   -3   2   7         4
                80.42          2.93        1.1941   -3   4   2         4
                80.48          1.82        1.1934   -5   0   5         2
                80.93          1.47        1.1879    3   4   1         4
                81.41          1.96        1.1821    0   2   8         4
                81.62          2.88        1.1795   -1   4   5         4
                81.84          5.40        1.1770    2   2   7         4
                82.21          2.08        1.1726    0   3   7         4
                82.42          1.34        1.1702    3   2   6         4
                82.81          1.25        1.1656   -3   4   3         4
                83.66          2.73        1.1560    3   4   2         4
                83.96          2.65        1.1526    0   0   9         2
                84.38          3.58        1.1479   -5   2   4         4
                86.58          1.19        1.1243    1   5   1         4
                86.66          1.23        1.1234    0   5   2         4
                86.83          1.92        1.1217    5   0   4         2
                86.83          1.80        1.1217    4   2   5         4
                87.41          1.38        1.1157   -6   0   1         2
                87.41          2.05        1.1157   -2   1   9         4
                88.21          1.22        1.1077   -5   1   6         4
                88.35          2.39        1.1063   -1   4   6         4
                88.75          1.37        1.1023   -5   2   5         4
                89.22          1.28        1.0977   -4   2   7         4
                89.42          1.85        1.0958   -4   0   8         2
                89.75          1.15        1.0927   -5   3   2         4
                89.83          1.03        1.0919    0   5   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.