Magnetite
      Yamanaka T, Shimazu H, Ota K
      Physics and Chemistry of Minerals 28 (2001) 110-118
      Electric conductivity of Fe2SiO4-Fe3O4 spinel solid solutions
      Sample: Fe(3-x)SixO4, x = 0.090, synthesized at 1200 C, 6 GPa
      Locality: synthetic
      _database_code_amcsd 0008503

      CELL PARAMETERS:    8.3920   8.3920   8.3920   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    591.012
      Density (g/cm3):      5.147
      MAX. ABS. INTENSITY / VOLUME**2:      87.44527036    
      RIR:      5.532
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.31          9.54        4.8451    1   1   1         8
                30.12         26.68        2.9670    2   2   0        12
                35.48        100.00        2.5303    3   1   1        24
                37.11          8.65        2.4226    2   2   2         8
                43.12         21.62        2.0980    4   0   0         6
                53.49          8.80        1.7130    4   2   2        24
                57.02         23.91        1.6150    5   1   1        24
                57.02          6.29        1.6150    3   3   3         8
                62.62         40.59        1.4835    4   4   0        12
                65.84          1.16        1.4185    5   3   1        48
                71.04          3.15        1.3269    6   2   0        24
                74.08          8.32        1.2798    5   3   3        24
                75.09          3.96        1.2651    6   2   2        24
                79.06          2.70        1.2113    4   4   4         8
                86.86          3.36        1.1214    6   4   2        48
                89.76          5.02        1.0925    5   5   3        24
                89.76          8.27        1.0925    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.