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 = 14.5 GPa
      _database_code_amcsd 0008615

      CELL PARAMETERS:    7.9364   7.9364   7.9364   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    499.886
      Density (g/cm3):      4.872
      MAX. ABS. INTENSITY / VOLUME**2:      59.65014655    
      RIR:      3.986
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.37          4.88        4.5821    1   1   1         8
                31.89         78.20        2.8059    2   2   0        12
                37.59        100.00        2.3929    3   1   1        24
                45.73          3.67        1.9841    4   0   0         6
                50.10          9.41        1.8207    3   3   1        24
                56.83         23.41        1.6200    4   2   2        24
                60.63         33.99        1.5274    5   1   1        24
                60.63          4.26        1.5274    3   3   3         8
                66.66         39.94        1.4030    4   4   0        12
                70.15          1.24        1.3415    5   3   1        48
                75.81          7.85        1.2549    6   2   0        24
                79.13          9.31        1.2103    5   3   3        24
                87.85          1.15        1.1113    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.