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 = 200 C
      _database_code_amcsd 0008662

      CELL PARAMETERS:    8.1044   8.1044   8.1044   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    532.307
      Density (g/cm3):      3.594
      MAX. ABS. INTENSITY / VOLUME**2:      19.23630184    
      RIR:      1.743
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.97         37.05        4.6791    1   1   1         8
                31.22         33.10        2.8653    2   2   0        12
                36.78        100.00        2.4436    3   1   1        24
                44.73         56.89        2.0261    4   0   0         6
                55.55          8.79        1.6543    4   2   2        24
                59.24          2.85        1.5597    3   3   3         8
                59.24         44.93        1.5597    5   1   1        24
                65.11         70.92        1.4327    4   4   0        12
                68.49          3.71        1.3699    5   3   1        48
                73.97          2.59        1.2814    6   2   0        24
                77.18         10.11        1.2359    5   3   3        24
                78.24          1.17        1.2218    6   2   2        24
                82.45          6.79        1.1698    4   4   4         8
                85.58          3.24        1.1348    5   5   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.