Goethite
      Gualtieri A, Venturelli P
      American Mineralogist 84 (1999) 895-904
      In situ study of the goethite-hematite phase transformation by real time
      synchrotron powder diffraction
      Sample at T = 156 C
      _database_code_amcsd 0002227

      CELL PARAMETERS:    9.9189   3.0148   4.5835   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    137.063
      Density (g/cm3):      4.305
      MAX. ABS. INTENSITY / VOLUME**2:      33.13519228    
      RIR:      2.506
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.89         13.25        4.9594    2   0   0         2
                21.36        100.00        4.1607    1   0   1         4
                26.48         11.55        3.3661    2   0   1         4
                33.42         43.16        2.6815    3   0   1         4
                34.83         23.17        2.5762    2   1   0         4
                35.64          5.61        2.5188    0   1   1         4
                36.23         13.93        2.4797    4   0   0         2
                36.82         66.52        2.4413    1   1   1         8
                39.31          2.42        2.2917    0   0   2         2
                40.15          9.06        2.2457    2   1   1         8
                40.39          3.67        2.2329    1   0   2         4
                41.40         14.22        2.1810    4   0   1         4
                43.50          1.17        2.0804    2   0   2         4
                45.26          4.00        2.0036    3   1   1         8
                47.47          5.04        1.9151    4   1   0         4
                50.89          6.99        1.7944    1   1   2         8
                51.73          1.90        1.7671    4   1   1         8
                53.52         25.06        1.7123    2   1   2         8
                54.52          7.59        1.6830    4   0   2         4
                55.59          2.44        1.6531    6   0   0         2
                57.71          4.87        1.5974    3   1   2         8
                59.30         14.70        1.5585    5   1   1         8
                61.52          6.57        1.5074    0   2   0         2
                61.86          2.77        1.4999    5   0   2         4
                63.28          1.86        1.4696    4   1   2         8
                63.74          2.86        1.4601    2   0   3         4
                64.26          6.21        1.4495    6   1   0         4
                65.91          3.23        1.4173    1   2   1         8
                67.54          2.23        1.3869    3   0   3         4
                68.90          2.32        1.3628    0   1   3         4
                69.43          3.01        1.3538    7   0   1         4
                69.64          1.02        1.3501    1   1   3         8
                70.20          1.02        1.3407    6   0   2         4
                71.84          1.21        1.3141    2   1   3         8
                71.85          3.62        1.3140    3   2   1         8
                73.53          1.36        1.2881    4   2   0         4
                76.88          1.17        1.2400    4   2   1         8
                80.40          1.51        1.1943    4   1   3         8
                85.26          1.07        1.1383    1   0   4         4
                86.72          1.45        1.1229    4   2   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.