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 = 400 C
      _database_code_amcsd 0008663

      CELL PARAMETERS:    8.1190   8.1190   8.1190   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    535.190
      Density (g/cm3):      3.574
      MAX. ABS. INTENSITY / VOLUME**2:      18.84188458    
      RIR:      1.717
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.93         37.74        4.6875    1   1   1         8
                31.16         33.26        2.8705    2   2   0        12
                36.71        100.00        2.4480    3   1   1        24
                44.64         56.94        2.0298    4   0   0         6
                55.44          8.61        1.6573    4   2   2        24
                59.13          2.75        1.5625    3   3   3         8
                59.13         44.34        1.5625    5   1   1        24
                64.98         69.48        1.4353    4   4   0        12
                68.35          3.69        1.3724    5   3   1        48
                73.82          2.46        1.2837    6   2   0        24
                77.02          9.73        1.2381    5   3   3        24
                78.08          1.10        1.2240    6   2   2        24
                82.27          6.58        1.1719    4   4   4         8
                85.39          3.16        1.1369    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.