Spinel
      Lucchesi S, Amoriello M, Della Giusta A
      European Journal of Mineralogy 10 (1998) 473-482
      Crystal chemistry of spinels from xenoliths of the
      Alban Hills volcanic region
      Sample: SP46g
      Locality: xenoliths of the Alban Hills, Italy volcanic region
      _database_code_amcsd 0006731

      CELL PARAMETERS:    8.1103   8.1103   8.1103   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    533.471
      Density (g/cm3):      3.720
      MAX. ABS. INTENSITY / VOLUME**2:      23.76411707    
      RIR:      2.080
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.95         16.16        4.6825    1   1   1         8
                31.19         39.02        2.8674    2   2   0        12
                36.75        100.00        2.4453    3   1   1        24
                44.69         41.05        2.0276    4   0   0         6
                55.51         11.42        1.6555    4   2   2        24
                59.20          3.60        1.5608    3   3   3         8
                59.20         41.08        1.5608    5   1   1        24
                65.06         65.69        1.4337    4   4   0        12
                68.44          1.63        1.3709    5   3   1        48
                73.91          3.75        1.2824    6   2   0        24
                77.12         10.34        1.2368    5   3   3        24
                78.18          1.04        1.2227    6   2   2        24
                82.38          5.01        1.1706    4   4   4         8
                85.50          1.81        1.1357    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.