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 = 42.9 GPa
      _database_code_amcsd 0008630

      CELL PARAMETERS:    7.7452   7.7452   7.7452   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    464.620
      Density (g/cm3):      5.242
      MAX. ABS. INTENSITY / VOLUME**2:      64.43213534    
      RIR:      4.002
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.85          5.47        4.4717    1   1   1         8
                32.70         77.65        2.7383    2   2   0        12
                38.55        100.00        2.3353    3   1   1        24
                46.92          3.59        1.9363    4   0   0         6
                51.43          8.85        1.7769    3   3   1        24
                58.37         22.99        1.5810    4   2   2        24
                62.29         32.48        1.4906    5   1   1        24
                62.29          4.34        1.4906    3   3   3         8
                68.53         38.92        1.3692    4   4   0        12
                72.15          1.24        1.3092    5   3   1        48
                78.03          7.76        1.2246    6   2   0        24
                81.49          9.08        1.1811    5   3   3        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.