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 = 393 K

      CELL PARAMETERS:   8.3330  8.3330  8.3330   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      93.84779082    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.44          4.99        4.8111    1   1   1
                30.34         43.22        2.9462    2   2   0
                35.74        100.00        2.5125    3   1   1
                37.38          6.11        2.4055    2   2   2
                43.44         11.35        2.0833    4   0   0
                53.90         13.04        1.7010    4   2   2
                57.46          4.42        1.6037    3   3   3
                57.46         31.63        1.6037    5   1   1
                63.11         36.94        1.4731    4   4   0
                71.62          4.28        1.3176    6   2   0
                74.70          8.71        1.2708    5   3   3
                75.71          3.18        1.2562    6   2   2
                87.63          6.16        1.1135    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.