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 = 702 K

      CELL PARAMETERS:   8.3519  8.3519  8.3519   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      93.67810462    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.40          4.27        4.8220    1   1   1
                30.27         42.13        2.9528    2   2   0
                35.65        100.00        2.5182    3   1   1
                37.30          5.84        2.4110    2   2   2
                43.33         11.61        2.0880    4   0   0
                53.77         12.99        1.7048    4   2   2
                57.32         30.38        1.6073    5   1   1
                57.32          4.61        1.6073    3   3   3
                62.95         37.12        1.4764    4   4   0
                71.43          4.33        1.3206    6   2   0
                74.50          8.50        1.2737    5   3   3
                75.51          2.92        1.2591    6   2   2
                79.51          1.06        1.2055    4   4   4
                87.38          5.83        1.1161    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.