Spinel
      Carbonin S, Martignago F, Menegazzo G, Dal Negro A
      Physics and Chemistry of Minerals 29 (2002) 503-514
      X-ray single-crystal study of spinels: in situ heating
      Sample: NAT, Heating,1st run, T = 25 C
      _database_code_amcsd 0008661

      CELL PARAMETERS:    8.0942   8.0942   8.0942   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    530.300
      Density (g/cm3):      3.607
      MAX. ABS. INTENSITY / VOLUME**2:      19.55746408    
      RIR:      1.765
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.99         36.84        4.6732    1   1   1         8
                31.26         33.10        2.8617    2   2   0        12
                36.83        100.00        2.4405    3   1   1        24
                44.79         57.03        2.0236    4   0   0         6
                55.63          8.98        1.6522    4   2   2        24
                59.33          2.89        1.5577    3   3   3         8
                59.33         45.88        1.5577    5   1   1        24
                65.20         72.63        1.4309    4   4   0        12
                68.59          3.75        1.3682    5   3   1        48
                74.08          2.71        1.2798    6   2   0        24
                77.30         10.51        1.2344    5   3   3        24
                78.36          1.19        1.2202    6   2   2        24
                82.58          7.02        1.1683    4   4   4         8
                85.71          3.36        1.1334    5   5   1        24
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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.