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 = 32.2 GPa
      _database_code_amcsd 0008627

      CELL PARAMETERS:    7.8083   7.8083   7.8083   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    476.069
      Density (g/cm3):      5.116
      MAX. ABS. INTENSITY / VOLUME**2:      62.75490145    
      RIR:      3.994
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.69          5.19        4.5081    1   1   1         8
                32.43         77.98        2.7607    2   2   0        12
                38.23        100.00        2.3543    3   1   1        24
                46.52          3.61        1.9521    4   0   0         6
                50.98          9.09        1.7913    3   3   1        24
                57.85         23.13        1.5939    4   2   2        24
                61.73         33.09        1.5027    5   1   1        24
                61.73          4.29        1.5027    3   3   3         8
                67.90         39.24        1.3803    4   4   0        12
                71.48          1.24        1.3198    5   3   1        48
                77.28          7.78        1.2346    6   2   0        24
                80.69          9.17        1.1908    5   3   3        24
                89.67          1.11        1.0934    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.