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 = 298 K

      CELL PARAMETERS:   8.3291  8.3291  8.3291   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      94.95733976    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.45          4.97        4.8088    1   1   1
                30.35         43.06        2.9448    2   2   0
                35.75        100.00        2.5113    3   1   1
                37.40          6.14        2.4044    2   2   2
                43.46         11.45        2.0823    4   0   0
                53.93         13.15        1.7002    4   2   2
                57.49          4.48        1.6029    3   3   3
                57.49         32.10        1.6029    5   1   1
                63.15         37.69        1.4724    4   4   0
                71.66          4.37        1.3169    6   2   0
                74.74          8.98        1.2702    5   3   3
                75.75          3.30        1.2557    6   2   2
                79.77          1.03        1.2022    4   4   4
                87.68          6.38        1.1130    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.