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: SP267d
      Locality: xenoliths of the Alban Hills, Italy volcanic region
      _database_code_amcsd 0006748

      CELL PARAMETERS:    8.1001   8.1001   8.1001   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    531.461
      Density (g/cm3):      3.607
      MAX. ABS. INTENSITY / VOLUME**2:      20.22805061    
      RIR:      1.826
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.98         27.84        4.6766    1   1   1         8
                31.23         34.53        2.8638    2   2   0        12
                36.80        100.00        2.4423    3   1   1        24
                44.75         52.11        2.0250    4   0   0         6
                55.58          9.85        1.6534    4   2   2        24
                59.28         43.28        1.5589    5   1   1        24
                59.28          3.28        1.5589    3   3   3         8
                65.15         70.65        1.4319    4   4   0        12
                68.53          2.81        1.3692    5   3   1        48
                74.02          3.14        1.2807    6   2   0        24
                77.23         10.41        1.2353    5   3   3        24
                78.29          1.07        1.2211    6   2   2        24
                82.51          6.32        1.1691    4   4   4         8
                85.64          2.59        1.1342    5   5   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.