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 = 613 K

      CELL PARAMETERS:   8.3456  8.3456  8.3456   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      93.29501256    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.41          4.97        4.8183    1   1   1
                30.29         43.12        2.9506    2   2   0
                35.68        100.00        2.5163    3   1   1
                37.33          6.09        2.4092    2   2   2
                43.37         11.46        2.0864    4   0   0
                53.81         12.97        1.7035    4   2   2
                57.37          4.41        1.6061    3   3   3
                57.37         31.57        1.6061    5   1   1
                63.01         36.99        1.4753    4   4   0
                71.50          4.24        1.3196    6   2   0
                74.56          8.67        1.2727    5   3   3
                75.58          3.16        1.2581    6   2   2
                79.58          1.01        1.2046    4   4   4
                87.46          6.06        1.1152    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.