Gahnite
      Levy D, Pavese A, Sani A, Pischedda V
      Physics and Chemistry of Minerals 28 (2001) 612-618
      Structure and compressibility of synthetic ZnAl2O4 (gahnite) under
      high-pressure conditions, from synchrotron X-ray powder diffraction
      Sample: P = 29.8 GPa
      _database_code_amcsd 0008626

      CELL PARAMETERS:    7.8231   7.8231   7.8231   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    478.781
      Density (g/cm3):      5.087
      MAX. ABS. INTENSITY / VOLUME**2:      62.40456116    
      RIR:      3.994
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.66          5.18        4.5167    1   1   1         8
                32.37         77.95        2.7659    2   2   0        12
                38.15        100.00        2.3588    3   1   1        24
                46.43          3.62        1.9558    4   0   0         6
                50.88          9.10        1.7947    3   3   1        24
                57.73         23.17        1.5969    4   2   2        24
                61.60         33.15        1.5056    5   1   1        24
                61.60          4.30        1.5056    3   3   3         8
                67.76         39.33        1.3829    4   4   0        12
                71.32          1.24        1.3223    5   3   1        48
                77.11          7.79        1.2369    6   2   0        24
                80.51          9.18        1.1930    5   3   3        24
                89.46          1.12        1.0955    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.