Spinel
      Princivalle F, Martignago F, Dal Negro A
      American Mineralogist 91 (2006) 313-318
      Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
      Locality: Olkhon metamorphic complex, Lake Baikal, Russia
      Sample: Sc, untreated
      _database_code_amcsd 0004086

      CELL PARAMETERS:    8.1180   8.1180   8.1180   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    534.992
      Density (g/cm3):      3.676
      MAX. ABS. INTENSITY / VOLUME**2:      20.88860149    
      RIR:      1.850
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.93         42.75        4.6869    1   1   1         8
                31.16         29.43        2.8701    2   2   0        12
                36.72        100.00        2.4477    3   1   1        24
                44.65         55.79        2.0295    4   0   0         6
                55.45          7.68        1.6571    4   2   2        24
                59.13          3.03        1.5623    3   3   3         8
                59.13         41.62        1.5623    5   1   1        24
                64.99         64.76        1.4351    4   4   0        12
                68.36          4.10        1.3722    5   3   1        48
                73.83          2.24        1.2836    6   2   0        24
                77.03          9.45        1.2380    5   3   3        24
                78.09          1.85        1.2238    6   2   2        24
                82.28          6.23        1.1717    4   4   4         8
                85.40          2.97        1.1367    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.