Macphersonite
      Steele I M, Pluth J J, Livingstone A
      Mineralogical Magazine 62 (1998) 451-459
      Crystal structure of macphersonite (Pb4SO4(CO3)2(OH)2): comparison with leadhillite
      Locality: Leadhills-Wanlockhead orefield, Scotland
      Note: space group changed from Pcab to Pbca
      _database_code_amcsd 0014534

      CELL PARAMETERS:    9.2420  23.0500  10.3830   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2211.871
      Density (g/cm3):      6.467
      MAX. ABS. INTENSITY / VOLUME**2:      131.9061265    
      RIR:      6.642
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.67         20.54       11.5250    0   2   0         2
                11.47          2.15        7.7141    0   2   1         4
                14.96          8.19        5.9222    1   2   1         8
                15.38          4.37        5.7625    0   4   0         2
                17.60          1.58        5.0385    0   4   1         4
                19.21         10.14        4.6210    2   0   0         2
                19.59          4.70        4.5308    2   1   0         4
                19.61         23.91        4.5263    1   0   2         4
                19.99         12.92        4.4415    1   1   2         8
                20.07          8.28        4.4238    1   4   1         8
                20.71          3.94        4.2891    2   2   0         4
                21.09          6.32        4.2130    1   2   2         8
                22.43          7.40        3.9642    2   2   1         8
                22.45         14.53        3.9600    2   3   0         4
                22.80         33.66        3.8999    1   3   2         8
                23.15          1.32        3.8417    0   6   0         2
                24.70          1.97        3.6050    2   4   0         4
                25.02          3.84        3.5595    1   4   2         8
                25.81          1.60        3.4517    2   0   2         4
                26.17         13.03        3.4056    2   4   1         8
                26.55          1.39        3.3569    1   6   1         8
                26.90          3.38        3.3148    0   2   3         4
                26.96          1.07        3.3066    2   2   2         8
                27.33         53.61        3.2636    2   5   0         4
                27.62        100.00        3.2298    1   5   2         8
                27.80          6.20        3.2096    1   1   3         8
                29.92          5.47        2.9863    1   3   3         8
                30.12          3.39        2.9670    0   4   3         4
                30.25          3.45        2.9541    2   6   0         4
                30.52         10.50        2.9295    3   1   1         8
                30.52          8.46        2.9289    1   6   2         8
                31.04         14.09        2.8812    0   8   0         2
                31.49          2.32        2.8414    2   6   1         8
                32.24          1.53        2.7763    0   8   1         4
                32.40          1.02        2.7630    2   5   2         8
                32.48          5.44        2.7568    3   3   1         8
                32.56          4.81        2.7504    2   1   3         8
                33.66          1.20        2.6628    1   7   2         8
                33.71          2.57        2.6590    1   8   1         8
                33.83         36.83        2.6493    3   0   2         4
                34.41          2.67        2.6060    2   3   3         8
                34.55         20.79        2.5958    0   0   4         2
                34.74          5.72        2.5820    3   2   2         8
                35.45          2.04        2.5323    0   2   4         4
                35.94          2.09        2.4991    1   0   4         4
                36.76          1.91        2.4449    2   8   0         4
                36.98          3.80        2.4306    1   8   2         8
                37.80          2.53        2.3798    2   8   1         8
                38.98          1.57        2.3105    4   0   0         2
                39.08         18.80        2.3050    0  10   0         2
                39.35          3.04        2.2897    3   1   3         8
                39.79          1.66        2.2654    4   2   0         4
                39.83          5.36        2.2631    2   0   4         4
                40.17          2.25        2.2446    4   1   1         8
                40.63          2.21        2.2207    2   2   4         8
                40.77          2.38        2.2134    4   2   1         8
                40.78          5.30        2.2126    4   3   0         4
                40.94          1.39        2.2044    3   3   3         8
                41.29          1.11        2.1863    1  10   1         8
                41.60          9.74        2.1709    2   3   4         8
                41.74          1.57        2.1640    4   3   1         8
                42.29          2.20        2.1370    3   4   3         8
                42.65          1.14        2.1198    2   7   3         8
                42.84          1.05        2.1109    4   0   2         4
                43.07          6.56        2.1002    4   4   1         8
                43.83          8.19        2.0656    4   5   0         4
                43.89          3.84        2.0626    2  10   0         4
                44.09          8.64        2.0540    1  10   2         8
                44.32          1.84        2.0437    0   2   5         4
                44.60         23.17        2.0315    2   5   4         8
                44.91          1.20        2.0183    1   1   5         8
                45.12          4.47        2.0095    1   9   3         8
                45.88          3.61        1.9777    3   1   4         8
                46.35          1.68        1.9591    1   3   5         8
                46.48          3.20        1.9536    0   4   5         4
                46.57          8.57        1.9502    3   8   2         8
                46.70          1.21        1.9449    4   6   1         8
                46.96          6.74        1.9349    3   9   1         8
                47.12          4.19        1.9285    0   8   4         4
                47.57          2.15        1.9114    1   4   5         8
                47.83          1.65        1.9016    1  11   2         8
                48.11          1.19        1.8913    4   7   0         4
                48.40          3.61        1.8805    2   9   3         8
                48.83          1.05        1.8651    2   7   4         8
                49.25          1.48        1.8500    4   6   2         8
                49.57          1.09        1.8391    2   3   5         8
                50.03          4.08        1.8232    3   5   4         8
                50.04          4.88        1.8230    4   4   3         8
                50.29          1.12        1.8141    5   1   1         8
                50.74          2.09        1.7994    2   4   5         8
                50.79          1.23        1.7975    5   2   1         8
                51.34          2.24        1.7798    2   8   4         8
                52.63         14.90        1.7390    3  10   2         8
                52.75          4.72        1.7353    5   4   1         8
                53.14          8.44        1.7235    0  10   4         4
                53.20          1.33        1.7218    5   2   2         8
                53.30          1.48        1.7186    4   6   3         8
                53.35          1.07        1.7171    3   1   5         8
                53.54          2.27        1.7117    3   9   3         8
                53.93          1.19        1.7000    3   7   4         8
                53.99          2.05        1.6983    5   3   2         8
                54.19          1.65        1.6926    4   9   1         8
                54.47          1.54        1.6846    0   8   5         4
                54.49          2.18        1.6839    4   3   4         8
                54.53          1.28        1.6827    1   2   6         8
                55.32          2.51        1.6607    1   3   6         8
                55.51          3.55        1.6554    2  13   0         4
                55.67          8.62        1.6509    1  13   2         8
                55.91          1.09        1.6446    5   6   1         8
                56.49          2.21        1.6290    5   5   2         8
                56.98          3.67        1.6163    4   5   4         8
                57.03          2.75        1.6149    2  10   4         8
                57.78          4.13        1.5958    1   5   6         8
                58.05          1.04        1.5890    1   9   5         8
                58.86          2.15        1.5689    5   4   3         8
                60.11          1.65        1.5393    5   7   2         8
                60.34          1.79        1.5339    2  14   1         8
                60.57          1.21        1.5286    4   7   4         8
                60.94          2.41        1.5203    6   1   1         8
                61.34          1.28        1.5112    1   7   6         8
                61.46          2.65        1.5088    3   0   6         4
                61.60          1.11        1.5057    5   0   4         4
                62.04          1.40        1.4960    3   2   6         8
                63.67          1.18        1.4616    1   1   7         8
                63.83          2.70        1.4582    2  15   0         4
                63.98          5.43        1.4551    1  15   2         8
                64.68          1.19        1.4411    3  11   4         8
                66.47          1.50        1.4066    4  13   0         4
                66.57          1.66        1.4046    6   1   3         8
                66.72          1.51        1.4018    5   6   4         8
                67.06          3.16        1.3957    2  13   4         8
                67.64          1.55        1.3851    4   0   6         4
                70.45          1.36        1.3366    3   8   6         8
                70.86          1.37        1.3298    4  14   1         8
                71.72          1.39        1.3160    6   2   4         8
                72.13          2.49        1.3095    6   9   1         8
                72.55          1.33        1.3030    4   6   6         8
                72.62          1.00        1.3019    3   4   7         8
                74.03          1.32        1.2806    0  18   0         2
                74.26          1.26        1.2772    7   4   1         8
                74.66          1.64        1.2714    1   9   7         8
                74.66          2.13        1.2713    2  15   4         8
                75.28          2.42        1.2624    3  10   6         8
                76.14          1.38        1.2503    4  14   3         8
                77.12          1.22        1.2367    4  13   4         8
                77.37          1.68        1.2333    6   9   3         8
                77.46          1.38        1.2322    1  18   2         8
                77.81          1.25        1.2275    1  13   6         8
                78.31          1.87        1.2209    5  14   1         8
                80.54          1.34        1.1927    7   7   2         8
                80.98          1.07        1.1872    4  10   6         8
                83.43          1.05        1.1585    5  14   3         8
                83.50          1.03        1.1577    3   5   8         8
                83.93          1.93        1.1529    3  18   2         8
                84.33          1.12        1.1484    0  18   4         4
                84.40          1.03        1.1477    4  15   4         8
                85.08          1.18        1.1403    1  15   6         8
                87.35          1.22        1.1163    6   5   6         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.