Thenardite
      Hawthorne F C, Ferguson R B
      The Canadian Mineralogist 13 (1975) 181-187
      Anhydrous sulphates. I: Refinement of the crystal structure of celestite
      with an appendix on the structure of thenardite
      _database_code_amcsd 0005113

      CELL PARAMETERS:    9.8290  12.3020   5.8680   90.000   90.000   90.000
      SPACE GROUP: Fddd      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    709.537
      Density (g/cm3):      2.659
      MAX. ABS. INTENSITY / VOLUME**2:      13.01398267    
      RIR:      1.594
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.03         57.48        4.6625    1   1   1         8
                23.17         13.39        3.8395    2   2   0         4
                28.06         42.32        3.1804    1   3   1         8
                29.03         37.49        3.0755    0   4   0         2
                32.12        100.00        2.7863    3   1   1         8
                33.85         44.69        2.6482    0   2   2         4
                38.37          5.22        2.3462    3   3   1         8
                38.62         21.12        2.3313    2   2   2         8
                40.81          3.57        2.2109    1   5   1         8
                47.35          3.24        1.9197    4   4   0         4
                48.00          1.73        1.8955    1   1   3         8
                48.08          1.31        1.8923    2   6   0         4
                48.82         39.32        1.8654    3   5   1         8
                49.46          5.59        1.8430    5   1   1         8
                50.68          5.51        1.8013    4   2   2         8
                54.61         15.60        1.6806    0   6   2         4
                55.20          9.57        1.6640    3   1   3         8
                57.36          5.38        1.6064    4   4   2         8
                58.00          2.06        1.5902    2   6   2         8
                58.29          1.80        1.5830    6   2   0         4
                59.48         13.08        1.5542    3   3   3         8
                61.27          2.55        1.5129    1   5   3         8
                61.97          6.25        1.4974    3   7   1         8
                65.23          6.62        1.4303    6   0   2         4
                67.53          2.76        1.3871    3   5   3         8
                68.04          1.17        1.3778    5   1   3         8
                71.21          4.88        1.3241    0   4   4         4
                72.51          2.24        1.3035    4   8   0         4
                72.94          5.86        1.2969    6   4   2         8
                73.01          1.76        1.2959    1   7   3         8
                73.03          2.51        1.2956    7   3   1         8
                74.08          7.18        1.2798    6   6   0         4
                75.47          1.75        1.2596    4   0   4         4
                77.38          1.49        1.2333    3   9   1         8
                78.83          2.64        1.2142    3   7   3         8
                85.49          2.21        1.1358    7   1   3         8
                85.61          2.49        1.1345    0  10   2         4
                88.94          1.08        1.1004    3   1   5         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.