Sherwoodite
      Evans H T, Konnert J A
      American Mineralogist 63 (1978) 863-868
      The crystal chemistry of sherwoodite, a calcium 14-vanadoaluminate heteropoly
      complex
      _database_code_amcsd 0000685

      CELL PARAMETERS:   28.0600  28.0600  13.5600   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:  10676.650
      Density (g/cm3):      1.817
      MAX. ABS. INTENSITY / VOLUME**2:      60.00248665    
      RIR:     10.754
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.24        100.00       12.2091    1   0   1         8
                 8.91         79.66        9.9207    2   2   0         4
                 9.60         42.57        9.2101    2   1   1        16
                11.49          1.84        7.6994    3   0   1         8
                14.51          1.86        6.1046    2   0   2         8
                14.56          1.31        6.0825    4   1   1        16
                17.10          1.42        5.1855    5   0   1         8
                17.88          1.07        4.9604    4   4   0         4
                19.27          3.84        4.6051    4   2   2        16
                20.01          1.59        4.4367    6   2   0         8
                26.44          1.31        3.3711    8   1   1        16
                27.55          2.07        3.2373    7   3   2        16
                28.18          1.76        3.1668    3   1   4        16
                29.09          2.61        3.0700    6   3   3        16
                31.75          1.37        2.8183    9   1   2        16
                34.29          2.03        2.6151    7   7   2         8
                34.60          2.62        2.5927    8   6   2        16
                34.62          1.38        2.5910    8   7   1        16
                43.15          3.05        2.0966    9   9   2         8
                43.28          1.13        2.0906    5   1   6        16
                43.40          3.64        2.0849   10   8   2        16
                43.70          1.42        2.0712    9   8   3        16
                46.23          1.78        1.9638    7   1   6        16
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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.