Maghemite
      Pecharroman C, Gonzalez-Carreno T, Iglesias J E
      Physics and Chemistry of Minerals 22 (1995) 21-29
      The infrared dielectric properties of maghemite, gamma-Fe2O3,
      from reflectance measurement on pressed powders
      Sample: b) idealized
      Locality: synthetic
      _database_code_amcsd 0007899

      CELL PARAMETERS:    8.3300   8.3300   8.3300   90.000   90.000   90.000
      SPACE GROUP: P4_132    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    578.010
      Density (g/cm3):      4.893
      MAX. ABS. INTENSITY / VOLUME**2:      76.95418282    
      RIR:      5.121
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.04          5.49        5.8902    1   1   0        12
                18.45          1.30        4.8093    1   1   1         8
                23.89          7.12        3.7253    2   1   0        24
                26.20          2.79        3.4007    2   1   1        24
                30.35         33.71        2.9451    2   2   0        12
                34.03          1.35        2.6342    3   1   0        24
                35.75        100.00        2.5116    3   1   1        24
                37.40          4.00        2.4047    2   2   2         8
                38.99          1.80        2.3103    3   2   0        24
                40.52          1.60        2.2263    3   2   1        24
                43.45         16.89        2.0825    4   0   0         6
                50.19          1.59        1.8178    4   2   1        24
                53.92         11.16        1.7004    4   2   2        24
                57.49         21.09        1.6031    5   1   1        24
                57.49          7.03        1.6031    3   3   3         8
                63.14         40.17        1.4725    4   4   0        12
                71.65          4.00        1.3171    6   2   0        24
                74.73          8.18        1.2703    5   3   3        24
                75.74          2.30        1.2558    6   2   2        24
                79.76          2.02        1.2023    4   4   4         8
                87.67          4.15        1.1131    6   4   2        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.