Zincochromite
      Levy D, Diella V, Pavese A, Dapiaggi M, Sani A
      American Mineralogist 90 (2005) 1157-1162
      P-V equation of state, thermal expansion, and P-T stability of
      synthetic zincochromite (ZnCr2O4 spinel)
      Sample: T = 788 K

      CELL PARAMETERS:   8.3588  8.3588  8.3588   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      93.63544506    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.38          4.03        4.8260    1   1   1
                30.24         41.80        2.9553    2   2   0
                35.62        100.00        2.5203    3   1   1
                37.26          5.78        2.4130    2   2   2
                43.30         11.62        2.0897    4   0   0
                53.72         13.01        1.7062    4   2   2
                57.27          4.69        1.6087    3   3   3
                57.27         29.93        1.6087    5   1   1
                62.90         37.08        1.4776    4   4   0
                71.37          4.37        1.3216    6   2   0
                74.43          8.45        1.2747    5   3   3
                75.44          2.86        1.2601    6   2   2
                79.43          1.06        1.2065    4   4   4
                87.29          5.75        1.1170    6   4   2
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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.