Gahnite
      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 = 0.035, Co content = 0.50 apfu
      Locality: synthetic
      _database_code_amcsd 0019261

      CELL PARAMETERS:    8.0949   8.0949   8.0949   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    530.440
      Density (g/cm3):      4.511
      MAX. ABS. INTENSITY / VOLUME**2:      52.25702676    
      RIR:      3.772
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.99          2.25        4.6736    1   1   1         8
                31.25         72.16        2.8620    2   2   0        12
                36.83        100.00        2.4407    3   1   1        24
                44.78          6.27        2.0237    4   0   0         6
                49.05          7.92        1.8571    3   3   1        24
                55.62         22.28        1.6524    4   2   2        24
                59.32          4.24        1.5579    3   3   3         8
                59.32         36.15        1.5579    5   1   1        24
                65.19         45.23        1.4310    4   4   0        12
                74.07          7.63        1.2799    6   2   0        24
                77.29          9.94        1.2345    5   3   3        24
                85.71          1.01        1.1335    7   1   1        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.