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 = 463 K

      CELL PARAMETERS:   8.3391  8.3391  8.3391   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      93.68079469    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.43          4.83        4.8146    1   1   1
                30.32         42.96        2.9483    2   2   0
                35.71        100.00        2.5143    3   1   1
                37.36          6.05        2.4073    2   2   2
                43.40         11.43        2.0848    4   0   0
                53.86         13.01        1.7022    4   2   2
                57.42          4.45        1.6049    3   3   3
                57.42         31.34        1.6049    5   1   1
                63.06         36.96        1.4742    4   4   0
                71.56          4.28        1.3185    6   2   0
                74.63          8.65        1.2717    5   3   3
                75.65          3.12        1.2572    6   2   2
                79.66          1.00        1.2036    4   4   4
                87.55          6.05        1.1144    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.