CoAl2O4
      Ardit M, Cruciani G, Dondi M
      American Mineralogist 97 (2012) 1394-1401
      Structural relaxation in tetrahedrally coordinated Co2+ along
      the gahnite-Co-aluminate spinel solid solution
      Note: inversion parameter = 0.072, Co content = 1.00 apfu
      Locality: synthetic
      _database_code_amcsd 0019263

      CELL PARAMETERS:    8.1056   8.1056   8.1056   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    532.542
      Density (g/cm3):      4.412
      MAX. ABS. INTENSITY / VOLUME**2:      46.84548969    
      RIR:      3.457
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.21         66.76        2.8658    2   2   0        12
                36.78        100.00        2.4439    3   1   1        24
                44.72          8.98        2.0264    4   0   0         6
                48.98          6.09        1.8595    3   3   1        24
                55.54         20.11        1.6545    4   2   2        24
                59.23         35.88        1.5599    5   1   1        24
                59.23          4.11        1.5599    3   3   3         8
                65.10         46.11        1.4329    4   4   0        12
                73.96          6.80        1.2816    6   2   0        24
                77.17          9.66        1.2361    5   3   3        24
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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.