Gypsum
      Wooster W
      Zeitschrift fur Kristallographie 94 (1936) 375-396
      On the crystal structure of gypsum Ca S O4 (H2 O)2
      _cod_database_code 1010981
      _database_code_amcsd 0017897

      CELL PARAMETERS:   10.4700  15.1500   6.5100   90.000  151.550   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    491.931
      Density (g/cm3):      2.270
      MAX. ABS. INTENSITY / VOLUME**2:      13.18338778    
      RIR:      1.891
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.68         65.10        7.5750    0   2   0         2
                18.73          1.30        4.7377    1   1   0         4
                20.80        100.00        4.2709   -2   2   1         4
                23.49          3.00        3.7878   -1   3   1         4
                23.49         10.87        3.7875    0   4   0         2
                28.21          2.94        3.1634   -3   1   2         4
                29.23         57.77        3.0556   -2   4   1         4
                31.16         42.60        2.8701    0   2   1         4
                31.24          4.13        2.8636   -2   0   2         2
                32.16          8.65        2.7837   -3   1   1         4
                33.45         33.84        2.6786   -2   2   2         4
                34.64          2.58        2.5896    1   5   0         4
                34.69          1.68        2.5856   -4   0   2         2
                36.01          9.63        2.4939    2   0   0         2
                36.37          1.94        2.4700   -3   3   1         4
                36.73          4.69        2.4470   -4   2   2         4
                37.48          2.75        2.3995    0   4   1         4
                40.81          8.82        2.2114   -3   5   2         4
                42.32          2.21        2.1354   -4   4   2         4
                43.45         15.40        2.0829    2   4   0         4
                43.70          4.58        2.0713   -1   1   2         4
                43.75          7.53        2.0689   -3   5   1         4
                45.70          4.13        1.9854    1   7   0         4
                46.50          2.46        1.9529    1   1   1         4
                48.04         13.99        1.8939   -2   6   2         4
                48.04          1.39        1.8937    0   8   0         2
                50.52         12.17        1.8065   -4   6   2         4
                50.82          4.85        1.7966   -4   2   1         4
                51.38          1.49        1.7783   -2   8   1         4
                51.50          6.69        1.7744    2   6   0         4
                55.28          4.39        1.6618   -4   4   1         4
                56.98          3.56        1.6162    0   8   1         4
                57.02          1.87        1.6150   -1   9   1         4
                58.44          1.63        1.5792    3   3   0         4
                62.22          1.07        1.4920   -4   6   1         4
                63.91          1.30        1.4566    1   7   1         4
                66.77          1.97        1.4009    2   2   1         4
                68.99          3.50        1.3613    0  10   1         4
                70.60          1.32        1.3341    2   4   1         4
                71.38          2.66        1.3214    0   6   2         4
                76.38          1.12        1.2470    4   0   0         2
                77.59          1.52        1.2304    4   2   0         4
                79.97          1.41        1.1998    0   8   2         4
                83.72          1.08        1.1552   -2  12   2         4
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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.