Anhydrite (soluble)
      Lager G A, Armbruster T, Rotella F J, Jorgensen J D, Hinks D G
      American Mineralogist 69 (1984) 910-918
      A crystallographic study of the low-temperature dehydration products of gypsum
      CaSO4*2H2O: hemihydrate CaSO4*0.50H2O, and gamma-CaSO4
      Note: gamma-CaSO4
      Locality: synthetic
      _database_code_amcsd 0019837

      CELL PARAMETERS:    6.9694   6.9694   6.3033   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    265.149
      Density (g/cm3):      2.557
      MAX. ABS. INTENSITY / VOLUME**2:      27.33567514    
      RIR:      3.480
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.68        100.00        6.0357    1   0   0         6
                20.37          1.40        4.3594    1   0   1        12
                25.56         17.07        3.4847    1   1   0         6
                29.28          6.41        3.0497    1   1   1        12
                29.60         53.10        3.0178    2   0   0         6
                32.04         45.79        2.7937    1   0   2        12
                32.91          5.86        2.7220    2   0   1        12
                38.51          5.34        2.3375    1   1   2        12
                41.43          4.60        2.1797    2   0   2        12
                42.12          4.35        2.1451    2   1   1        12
                43.05          4.37        2.1011    0   0   3         2
                45.06          2.93        2.0119    3   0   0         6
                45.72          1.16        1.9843    1   0   3        12
                47.43          6.63        1.9166    3   0   1        12
                49.31         24.72        1.8480    2   1   2        12
                52.52          4.35        1.7423    2   2   0         6
                54.08         15.99        1.6958    3   0   2        12
                54.65          1.75        1.6794    2   2   1        12
                54.84          2.36        1.6740    3   1   0        12
                59.84          1.46        1.5455    2   1   3        12
                60.74          1.76        1.5247    1   0   4        12
                61.45          3.17        1.5089    4   0   0         6
                62.86          5.29        1.4784    3   1   2        12
                64.95          1.89        1.4358    1   1   4        12
                72.97          6.21        1.2966    2   1   4        12
                74.91          4.03        1.2677    3   2   2        12
                76.84          4.00        1.2406    3   0   4        12
                78.75          3.68        1.2152    4   1   2        12
                84.42          3.81        1.1474    3   1   4        12
                85.04          1.41        1.1406    4   2   0        12
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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.