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: SP267e
      Locality: xenoliths of the Alban Hills, Italy volcanic region
      _database_code_amcsd 0006749

      CELL PARAMETERS:    8.1017   8.1017   8.1017   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    531.776
      Density (g/cm3):      3.611
      MAX. ABS. INTENSITY / VOLUME**2:      20.33819568    
      RIR:      1.834
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.97         28.07        4.6775    1   1   1         8
                31.23         34.32        2.8644    2   2   0        12
                36.79        100.00        2.4428    3   1   1        24
                44.74         52.03        2.0254    4   0   0         6
                55.57          9.81        1.6538    4   2   2        24
                59.27          3.29        1.5592    3   3   3         8
                59.27         43.14        1.5592    5   1   1        24
                65.13         70.38        1.4322    4   4   0        12
                68.52          2.82        1.3694    5   3   1        48
                74.00          3.13        1.2810    6   2   0        24
                77.21         10.40        1.2355    5   3   3        24
                78.28          1.10        1.2214    6   2   2        24
                82.49          6.28        1.1694    4   4   4         8
                85.62          2.57        1.1345    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.