Langite
      Galy J, Jaud J, Pulou R, Sempere R
      Bulletin de Mineralogie 107 (1984) 641-648
      Structure cristalline de la langite, Cu4[SO4(OH)6H2O]*H2O
      Locality: Mazega, Aveyrone, France
      _database_code_amcsd 0012082

      CELL PARAMETERS:    7.1180   6.0340  11.2090   90.000   90.020   90.000
      SPACE GROUP: Pc        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    481.427
      Density (g/cm3):      3.356
      MAX. ABS. INTENSITY / VOLUME**2:      56.99096737    
      RIR:      5.529
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.44        100.00        7.1180    1   0   0         1
                15.81          1.95        5.6045    0   0   2         1
                16.69          5.56        5.3131    0   1   1         2
                20.86          2.83        4.2581   -1   1   1         2
                20.86          1.94        4.2574    1   1   1         2
                25.02         35.07        3.5590    2   0   0         1
                28.09          1.25        3.1766    0   1   3         2
                29.73          1.18        3.0049   -2   0   2         1
                30.22          1.48        2.9571   -2   1   1         2
                30.23          2.30        2.9567    2   1   1         2
                30.83          2.06        2.9005    1   1   3         2
                31.94          7.44        2.8022    0   0   4         1
                33.74         10.44        2.6565    0   2   2         2
                34.39         16.76        2.6078   -1   0   4         1
                34.40          3.36        2.6072    1   0   4         1
                36.09          5.59        2.4890   -1   2   2         2
                36.09         29.79        2.4887    1   2   2         2
                37.92          2.13        2.3727    3   0   0         1
                39.14          1.03        2.3014    2   2   0         2
                40.99         10.94        2.2021   -2   0   4         1
                41.00          4.27        2.2013    2   0   4         1
                42.46          6.85        2.1290   -2   2   2         2
                42.47         16.80        2.1287    2   2   2         2
                50.39          4.65        1.8111   -3   0   4         1
                50.40          2.54        1.8105    3   0   4         1
                51.34          2.82        1.7795    4   0   0         1
                51.65          5.92        1.7698   -3   2   2         2
                51.66          9.86        1.7695    3   2   2         2
                58.07          8.40        1.5883    0   2   6         2
                59.64          4.03        1.5503   -1   2   6         2
                59.65          4.07        1.5501    1   2   6         2
                61.47          2.76        1.5085    0   4   0         2
                61.74          1.49        1.5024   -4   0   4         1
                61.76          1.97        1.5020    4   0   4         1
                62.85          3.91        1.4786   -4   2   2         2
                62.86          2.99        1.4783    4   2   2         2
                62.99          4.58        1.4757    1   4   0         2
                64.21          2.47        1.4506   -2   2   6         2
                64.22          2.73        1.4503    2   2   6         2
                67.43          1.54        1.3889    2   4   0         2
                68.22          1.89        1.3747    1   0   8         1
                70.96          1.30        1.3283    0   4   4         2
                71.49          1.32        1.3197    3   2   6         2
                72.37          2.25        1.3058   -1   4   4         2
                74.54          1.09        1.2730    3   4   0         2
                75.81          1.66        1.2549   -5   2   2         2
                75.82          1.69        1.2547    5   2   2         2
                76.55          2.39        1.2445   -2   4   4         2
                79.45          1.12        1.2063    3   0   8         1
                81.16          1.01        1.1851   -4   2   6         2
                83.38          1.35        1.1591   -3   4   4         2
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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.