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 = 25 C
      _database_code_amcsd 0002226

      CELL PARAMETERS:    9.9134   3.0128   4.5800   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    136.791
      Density (g/cm3):      4.314
      MAX. ABS. INTENSITY / VOLUME**2:      35.77540763    
      RIR:      2.700
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.90         12.44        4.9567    2   0   0         2
                21.37        100.00        4.1577    1   0   1         4
                26.50         10.48        3.3638    2   0   1         4
                33.44         38.97        2.6798    3   0   1         4
                34.85         20.61        2.5745    2   1   0         4
                35.67          4.92        2.5170    0   1   1         4
                36.25         13.25        2.4783    4   0   0         2
                36.84         59.89        2.4396    1   1   1         8
                39.35          2.41        2.2900    0   0   2         2
                40.18          8.35        2.2443    2   1   1         8
                40.43          3.05        2.2312    1   0   2         4
                41.43         13.46        2.1797    4   0   1         4
                45.29          3.20        2.0023    3   1   1         8
                47.50          4.70        1.9140    4   1   0         4
                50.93          7.30        1.7931    1   1   2         8
                51.77          1.86        1.7660    4   1   1         8
                53.56         23.11        1.7111    2   1   2         8
                54.56          6.72        1.6819    4   0   2         4
                55.63          2.14        1.6522    6   0   0         2
                57.76          4.14        1.5963    3   1   2         8
                59.34         13.98        1.5575    5   1   1         8
                61.56          6.15        1.5064    0   2   0         2
                61.90          2.76        1.4989    5   0   2         4
                63.33          1.87        1.4686    4   1   2         8
                63.79          2.40        1.4590    2   0   3         4
                64.30          5.80        1.4487    6   1   0         4
                65.96          3.13        1.4163    1   2   1         8
                67.59          2.18        1.3859    3   0   3         4
                68.96          2.33        1.3618    0   1   3         4
                69.47          2.64        1.3530    7   0   1         4
                71.90          3.19        1.3131    3   2   1         8
                73.58          1.25        1.2873    4   2   0         4
                76.94          1.15        1.2392    4   2   1         8
                80.47          1.28        1.1935    4   1   3         8
                85.34          1.01        1.1374    1   0   4         4
                86.79          1.28        1.1221    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.