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 = 23.8 GPa
      _database_code_amcsd 0008623

      CELL PARAMETERS:    7.8629   7.8629   7.8629   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    486.125
      Density (g/cm3):      5.010
      MAX. ABS. INTENSITY / VOLUME**2:      61.58730569    
      RIR:      4.003
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.55          5.31        4.5396    1   1   1         8
                32.20         77.55        2.7800    2   2   0        12
                37.95        100.00        2.3708    3   1   1        24
                46.18          3.67        1.9657    4   0   0         6
                50.60          9.02        1.8039    3   3   1        24
                57.41         23.25        1.6050    4   2   2        24
                61.26         33.05        1.5132    5   1   1        24
                61.26          4.35        1.5132    3   3   3         8
                67.37         39.60        1.3900    4   4   0        12
                70.91          1.26        1.3291    5   3   1        48
                76.65          7.85        1.2432    6   2   0        24
                80.02          9.19        1.1991    5   3   3        24
                88.88          1.10        1.1010    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.