Jacobsite
      Lucchesi S, Russo U, Della Giusta A
      European Journal of Mineralogy 9 (1997) 31-42
      Crystal chemistry and cation distribution in some
      Mn-rich natural and synthetic spinels
      Sample: JBS3
      _database_code_amcsd 0006639

      CELL PARAMETERS:    8.4454   8.4454   8.4454   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    602.366
      Density (g/cm3):      4.763
      MAX. ABS. INTENSITY / VOLUME**2:      72.02609695    
      RIR:      4.924
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.19          6.81        4.8760    1   1   1         8
                29.92         33.08        2.9859    2   2   0        12
                35.25        100.00        2.5464    3   1   1        24
                36.87          5.37        2.4380    2   2   2         8
                42.83         19.37        2.1114    4   0   0         6
                53.13         10.49        1.7239    4   2   2        24
                56.63         27.53        1.6253    5   1   1        24
                56.63          5.39        1.6253    3   3   3         8
                62.18         41.98        1.4929    4   4   0        12
                70.52          3.62        1.3353    6   2   0        24
                73.54          8.41        1.2879    5   3   3        24
                74.53          3.03        1.2732    6   2   2        24
                78.46          2.29        1.2190    4   4   4         8
                86.17          4.20        1.1286    6   4   2        48
                89.04          5.55        1.0995    5   5   3        24
                89.04          7.25        1.0995    7   3   1        48
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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.