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, Cooling, T = 800 C
      _database_code_amcsd 0008675

      CELL PARAMETERS:    8.1510   8.1510   8.1510   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    541.543
      Density (g/cm3):      3.532
      MAX. ABS. INTENSITY / VOLUME**2:      18.28481672    
      RIR:      1.686
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.86         32.40        4.7060    1   1   1         8
                31.03         32.25        2.8818    2   2   0        12
                36.56        100.00        2.4576    3   1   1        24
                44.46         54.41        2.0378    4   0   0         6
                55.21          8.45        1.6638    4   2   2        24
                58.87          3.11        1.5687    3   3   3         8
                58.87         38.43        1.5687    5   1   1        24
                64.69         63.30        1.4409    4   4   0        12
                68.05          2.87        1.3778    5   3   1        48
                73.48          2.47        1.2888    6   2   0        24
                76.66          8.52        1.2430    5   3   3        24
                81.88          5.53        1.1765    4   4   4         8
                84.98          2.14        1.1414    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.