Gahnite
      Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B
      American Mineralogist 94 (2009) 771-776
      Inverse spinel structure of Co-doped gahnite
      Note: Sample S2, inversion parameter = .051, (Zn.92Co.08)Al2O4
      _database_code_amcsd 0004941

      CELL PARAMETERS:    8.0883   8.0883   8.0883   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.141
      Density (g/cm3):      4.590
      MAX. ABS. INTENSITY / VOLUME**2:      54.92004568    
      RIR:      3.896
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.00          3.33        4.6698    1   1   1         8
                31.28         73.11        2.8596    2   2   0        12
                36.86        100.00        2.4387    3   1   1        24
                44.82          5.62        2.0221    4   0   0         6
                49.10          7.72        1.8556    3   3   1        24
                55.67         21.87        1.6510    4   2   2        24
                59.37          4.22        1.5566    3   3   3         8
                59.37         34.15        1.5566    5   1   1        24
                65.25         42.96        1.4298    4   4   0        12
                74.14          7.18        1.2789    6   2   0        24
                77.37          9.19        1.2335    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.