Maghemite
      Shmakov A N, Kryukova G N, Tsybulya S V, Chuvilin A L, Solovyeva L P
      Journal of Applied Crystallography 28 (1995) 141-145
      Vacancy ordering in gamma-Fe2O3: synchrotron x-ray powder diffraction and high-
      resolution electron microscopy studies
      Locality: Synthetic
      _database_code_amcsd 0020516

      CELL PARAMETERS:    8.3474   8.3474   8.3474   90.000   90.000   90.000
      SPACE GROUP: P4_332    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    581.639
      Density (g/cm3):      4.863
      MAX. ABS. INTENSITY / VOLUME**2:      75.22801650    
      RIR:      5.037
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.01          5.11        5.9025    1   1   0        12
                18.41          2.22        4.8194    1   1   1         8
                23.84          5.39        3.7331    2   1   0        24
                26.15          5.59        3.4078    2   1   1        24
                30.28         34.12        2.9513    2   2   0        12
                32.17          1.30        2.7825    2   2   1        24
                33.96          3.67        2.6397    3   1   0        24
                35.67        100.00        2.5168    3   1   1        24
                37.32          3.80        2.4097    2   2   2         8
                38.90          1.88        2.3152    3   2   0        24
                40.43          1.12        2.2309    3   2   1        24
                43.36         17.49        2.0868    4   0   0         6
                50.08          2.77        1.8216    4   2   1        24
                53.80         11.20        1.7039    4   2   2        24
                55.00          1.23        1.6695    4   3   0        24
                57.36          6.01        1.6065    3   3   3         8
                57.36         22.84        1.6065    5   1   1        24
                60.78          2.57        1.5240    5   2   1        24
                62.99         41.00        1.4756    4   4   0        12
                64.08          1.36        1.4531    4   4   1        24
                65.17          1.10        1.4316    4   3   3        24
                71.48          4.00        1.3198    6   2   0        24
                74.55          8.26        1.2730    5   3   3        24
                75.56          2.05        1.2584    6   2   2        24
                79.56          2.15        1.2048    4   4   4         8
                87.44          4.00        1.1155    6   4   2        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.