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 = 600 C
      _database_code_amcsd 0008671

      CELL PARAMETERS:    8.1362   8.1362   8.1362   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    538.598
      Density (g/cm3):      3.552
      MAX. ABS. INTENSITY / VOLUME**2:      18.41124793    
      RIR:      1.688
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.89         37.81        4.6974    1   1   1         8
                31.09         33.29        2.8766    2   2   0        12
                36.63        100.00        2.4532    3   1   1        24
                44.54         56.61        2.0340    4   0   0         6
                55.32          8.42        1.6608    4   2   2        24
                58.99         43.06        1.5658    5   1   1        24
                58.99          2.71        1.5658    3   3   3         8
                64.82         67.31        1.4383    4   4   0        12
                68.19          3.56        1.3753    5   3   1        48
                73.63          2.35        1.2864    6   2   0        24
                76.83          9.23        1.2408    5   3   3        24
                77.88          1.04        1.2266    6   2   2        24
                82.06          6.24        1.1744    4   4   4         8
                85.17          2.96        1.1393    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.