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 = 450 C
      _database_code_amcsd 0008664

      CELL PARAMETERS:    8.1232   8.1232   8.1232   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    536.021
      Density (g/cm3):      3.569
      MAX. ABS. INTENSITY / VOLUME**2:      18.68513435    
      RIR:      1.705
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.92         38.52        4.6899    1   1   1         8
                31.14         33.14        2.8720    2   2   0        12
                36.69        100.00        2.4492    3   1   1        24
                44.62         57.19        2.0308    4   0   0         6
                55.41          8.50        1.6581    4   2   2        24
                59.09          2.72        1.5633    3   3   3         8
                59.09         44.13        1.5633    5   1   1        24
                64.94         68.98        1.4360    4   4   0        12
                68.31          3.70        1.3731    5   3   1        48
                73.77          2.41        1.2844    6   2   0        24
                76.97          9.59        1.2388    5   3   3        24
                78.03          1.08        1.2246    6   2   2        24
                82.22          6.51        1.1725    4   4   4         8
                85.34          3.14        1.1375    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.