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, 4th run, T = 800 C
      _database_code_amcsd 0008673

      CELL PARAMETERS:    8.1516   8.1516   8.1516   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    541.662
      Density (g/cm3):      3.531
      MAX. ABS. INTENSITY / VOLUME**2:      18.24929346    
      RIR:      1.683
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.86         32.93        4.7063    1   1   1         8
                31.03         32.38        2.8820    2   2   0        12
                36.56        100.00        2.4578    3   1   1        24
                44.46         54.75        2.0379    4   0   0         6
                55.20          8.44        1.6639    4   2   2        24
                58.87          3.05        1.5688    3   3   3         8
                58.87         38.84        1.5688    5   1   1        24
                64.69         63.73        1.4410    4   4   0        12
                68.04          2.91        1.3779    5   3   1        48
                73.47          2.45        1.2889    6   2   0        24
                76.65          8.54        1.2431    5   3   3        24
                81.87          5.60        1.1766    4   4   4         8
                84.97          2.21        1.1415    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.