Anhydrite
      Cheng G, Zussman J
      Acta Crystallographica 16 (1963) 767-769
      The crystal structure of anhydrite (CaSO4)
      Locality: Madagascar
      _database_code_amcsd 0020853

      CELL PARAMETERS:    6.9910   6.9960   6.2380   90.000   90.000   90.000
      SPACE GROUP: Amma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    305.095
      Density (g/cm3):      2.963
      MAX. ABS. INTENSITY / VOLUME**2:      15.52563491    
      RIR:      1.706
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.95          7.70        3.8752    1   1   1         8
                25.46         98.94        3.4980    0   2   0         2
                25.48        100.00        3.4955    2   0   0         2
                28.62          4.05        3.1190    0   0   2         2
                31.41         59.68        2.8484    1   0   2         4
                32.02          6.35        2.7954    2   1   1         8
                36.33         13.31        2.4726    2   2   0         4
                38.68         35.09        2.3280    0   2   2         4
                38.69          2.49        2.3272    2   0   2         4
                40.86         39.20        2.2087    1   2   2         8
                41.33         12.29        2.1844    0   3   1         4
                43.42         12.57        2.0839    3   1   1         8
                45.51          9.32        1.9932    0   1   3         4
                46.89          6.72        1.9376    2   2   2         8
                48.78         27.48        1.8668    3   0   2         4
                49.19          6.03        1.8524    2   3   1         8
                52.31         10.68        1.7490    0   4   0         2
                52.35         10.66        1.7478    4   0   0         2
                55.82         27.52        1.6470    3   2   2         8
                57.86          4.79        1.5937    3   3   1         8
                59.06          3.89        1.5641    2   4   0         4
                59.09          3.73        1.5635    4   2   0         4
                60.71          5.44        1.5255    0   4   2         4
                60.86          1.15        1.5221    1   0   4         4
                62.29          9.88        1.4904    1   4   2         8
                65.54          4.02        1.4244    0   2   4         4
                65.54          1.41        1.4242    2   0   4         4
                65.84          1.79        1.4185    2   3   3         8
                66.92          1.44        1.3982    2   4   2         8
                66.95          2.19        1.3977    4   2   2         8
                67.06          4.08        1.3957    1   2   4         8
                68.79          1.47        1.3647    4   3   1         8
                71.53          8.96        1.3191    2   2   4         8
                73.00          3.22        1.2961    3   0   4         4
                74.31          9.87        1.2764    3   4   2         8
                74.35          3.25        1.2759    5   0   2         4
                77.16          1.96        1.2363    4   4   0         4
                78.74          7.40        1.2153    3   2   4         8
                80.06          4.15        1.1986    5   2   2         8
                82.78          3.93        1.1660    0   6   0         2
                82.85          3.93        1.1652    6   0   0         2
                82.95          1.66        1.1640    0   4   4         4
                84.35          1.94        1.1482    1   4   4         8
                88.37          3.32        1.1061    2   6   0         4
                88.43          3.19        1.1055    6   2   0         4
                88.54          4.17        1.1044    2   4   4         8
                88.57          4.44        1.1041    4   2   4         8
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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.