CaSO4*0.5H2O
      Christensen A, Olesen M, Cerenius Y, Jensen T
      Chemistry of Materials 20 (2008) 2124-2132
      Formation and transformation of five different phases
      in the CaSO4-H2O system: crystal structure of the
      subhydrate beta-CaSO4*0.5H2O and soluble anhydrite CaSO4
      Locality: synthetic
      _database_code_amcsd 0020850

      CELL PARAMETERS:    6.9314   6.9314  12.7362   90.000   90.000  120.000
      SPACE GROUP: P3_1      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.929
      Density (g/cm3):      2.710
      MAX. ABS. INTENSITY / VOLUME**2:      12.71596097    
      RIR:      1.528
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.76         89.06        6.0028    1   0   0         3
                20.33          3.67        4.3681    1   0   2         3
                25.70          2.89        3.4661    1   0   3         3
                25.70          1.70        3.4661    0   1   3         3
                25.70         56.90        3.4657    1   1   0         3
                29.34          6.43        3.0441    2  -1   2         3
                29.34          3.53        3.0441    1   1   2         3
                29.77        100.00        3.0014    2   0   0         3
                31.81         26.44        2.8128    1   0   4         3
                31.81         68.78        2.8128    0   1   4         3
                32.99          5.54        2.7150    0   2   2         3
                32.99          1.72        2.7150    2   0   2         3
                38.39          4.47        2.3447    1   1   4         3
                38.39          1.87        2.3447    2  -1   4         3
                39.73          1.21        2.2688    2   1   0         3
                39.73          4.15        2.2688    1   2   0         3
                41.34          4.94        2.1840    0   2   4         3
                42.29          4.23        2.1373   -1   3   2         3
                42.29         16.02        2.1373    1   2   2         3
                42.29          1.29        2.1373    3  -1   2         3
                42.59          9.81        2.1227    0   0   6         1
                45.31          1.48        2.0013    0   1   6         3
                47.64          7.14        1.9089    3   0   2         3
                49.32          3.70        1.8477    1   2   4         3
                49.32         13.64        1.8477    2   1   4         3
                49.32          2.91        1.8477   -1   3   4         3
                49.32         37.90        1.8477    3  -1   4         3
                52.82          1.57        1.7331    0   2   6         3
                52.83          5.72        1.7329    2   2   0         3
                54.14         19.96        1.6942    0   3   4         3
                54.91          1.06        1.6721    2   2   2         3
                55.17          3.41        1.6649    3   1   0         3
                55.17          8.70        1.6649    1   3   0         3
                59.65          1.47        1.5501   -1   3   6         3
                60.13          2.78        1.5388    1   0   8         3
                60.86          2.41        1.5221    4  -2   4         3
                61.82          1.09        1.5007    4   0   0         3
                63.00          1.14        1.4754    3   1   4         3
                63.00          2.03        1.4754    4  -1   4         3
                63.00          1.17        1.4754   -1   4   4         3
                64.40          1.81        1.4467    2  -1   8         3
                64.40          1.86        1.4467    1   1   8         3
                69.21          3.00        1.3575    4   0   4         3
                72.10          1.29        1.3099    1   4   0         3
                72.10          2.51        1.3099    4   1   0         3
                72.54          3.81        1.3032   -1   3   8         3
                72.54          6.38        1.3032    1   2   8         3
                75.17          5.74        1.2640   -2   5   4         3
                75.17          2.19        1.2640    2   3   4         3
                76.46          6.26        1.2458    3   0   8         3
                79.05          1.38        1.2114    5  -1   4         3
                82.23          1.00        1.1724    4  -2   8         3
                83.72          1.27        1.1552    3   3   0         3
                86.67          2.67        1.1234    0   5   4         3
                89.81          1.13        1.0920    0   4   8         3
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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.