Todorokite
      Post J E, Bish D L
      American Mineralogist 73 (1988) 861-869
      Rietveld refinement of the todorokite structure
      Sample: South Africa Kb
      _database_code_amcsd 0001189

      CELL PARAMETERS:    9.7630   2.8454   9.5590   90.000   94.160   90.000
      SPACE GROUP: P2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    264.846
      Density (g/cm3):      3.687
      MAX. ABS. INTENSITY / VOLUME**2:      25.49725251    
      RIR:      2.252
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.08         93.86        9.7373    1   0   0         2
                 9.28        100.00        9.5338    0   0   1         2
                12.51         20.51        7.0736   -1   0   1         2
                13.46         36.38        6.5779    1   0   1         2
                18.22         32.54        4.8686    2   0   0         2
                18.61         41.51        4.7669    0   0   2         2
                19.87          5.53        4.4693   -2   0   1         2
                20.14         22.37        4.4096   -1   0   2         2
                21.08         27.84        4.2139    2   0   1         2
                21.34         29.37        4.1638    1   0   2         2
                25.18          3.64        3.5368   -2   0   2         2
                27.11          4.88        3.2889    2   0   2         2
                27.48          2.46        3.2458    3   0   0         2
                28.08          3.34        3.1779    0   0   3         2
                28.40          3.03        3.1429   -3   0   1         2
                28.91         13.42        3.0879   -1   0   3         2
                29.71         10.58        3.0068    3   0   1         2
                30.21          5.78        2.9585    1   0   3         2
                32.22          6.00        2.7783   -3   0   2         2
                32.51         10.62        2.7542   -2   0   3         2
                34.54          2.77        2.5967    3   0   2         2
                34.81          2.97        2.5770    2   0   3         2
                36.58          8.85        2.4566    2   1   0         4
                36.79         15.03        2.4432    0   1   2         4
                36.93          5.61        2.4343    4   0   0         2
                37.46          2.34        2.4008   -4   0   1         2
                37.47         26.83        2.4002   -2   1   1         4
                37.62          5.20        2.3909   -1   1   2         4
                37.74          5.52        2.3835    0   0   4         2
                38.16          3.77        2.3581    2   1   1         4
                38.17          8.08        2.3579   -3   0   3         2
                38.31         27.92        2.3492    1   1   2         4
                38.84          3.47        2.3187    4   0   1         2
                40.70          4.46        2.2170   -2   1   2         4
                40.93          3.25        2.2048   -2   0   4         2
                41.17          1.84        2.1926    3   0   3         2
                41.99          3.57        2.1519    2   1   2         4
                42.92          3.08        2.1070    4   0   2         2
                43.24          3.13        2.0925   -1   1   3         4
                45.25          2.46        2.0040   -4   0   3         2
                45.64          1.75        1.9878   -3   1   2         4
                45.85         12.30        1.9790   -2   1   3         4
                46.64          1.42        1.9475    5   0   0         2
                47.40         11.90        1.9180    3   1   2         4
                47.61          3.89        1.9101    2   1   3         4
                47.70          2.33        1.9068    0   0   5         2
                48.74          3.23        1.8682    4   0   3         2
                50.25          1.15        1.8155   -3   1   3         4
                51.69          8.87        1.7684   -4   0   4         2
                52.04          3.17        1.7574   -4   1   2         4
                52.51          8.88        1.7428   -2   1   4         4
                52.70          4.57        1.7368    3   1   3         4
                53.36          1.25        1.7169   -5   0   3         2
                54.17          7.15        1.6933    4   1   2         4
                54.62          6.81        1.6802    2   1   4         4
                55.91          8.62        1.6445    4   0   4         2
                57.83          1.05        1.5943    3   0   5         2
                58.84          1.27        1.5694    5   1   1         4
                59.36          1.44        1.5569   -4   0   5         2
                59.60          6.03        1.5512   -5   1   2         4
                60.35         10.18        1.5337   -2   1   5         4
                62.04          6.65        1.4960    5   1   2         4
                62.33          1.96        1.4898   -6   0   3         2
                62.77          3.99        1.4803    2   1   5         4
                63.26          1.40        1.4700   -5   1   3         4
                65.62          7.95        1.4227    0   2   0         2
                66.30          4.13        1.4097    6   1   0         4
                66.41          1.01        1.4078    1   2   0         4
                66.43          8.07        1.4074   -6   1   1         4
                66.44          1.11        1.4071    0   2   1         4
                67.48          1.04        1.3879    3   0   6         2
                67.52          3.54        1.3873    0   1   6         4
                67.60          5.69        1.3858   -1   1   6         4
                67.81          1.22        1.3820    6   1   1         4
                68.09          1.52        1.3771   -4   0   6         2
                68.43          1.23        1.3711   -5   1   4         4
                68.87          1.12        1.3633    0   2   2         4
                68.92          1.68        1.3624    7   0   1         2
                68.98          2.49        1.3615    1   1   6         4
                69.77          1.08        1.3479    2   2   1         4
                70.42          1.04        1.3370   -2   0   7         2
                72.12          1.43        1.3097   -7   0   3         2
                72.36          1.64        1.3059   -3   1   6         4
                73.26          1.13        1.2921   -1   2   3         4
                73.66          1.02        1.2860    3   2   1         4
                75.16          1.15        1.2640   -2   2   3         4
                75.48          2.13        1.2595    6   1   3         4
                76.18          1.83        1.2496   -7   1   1         4
                77.75          1.34        1.2283    4   2   0         4
                78.26          1.39        1.2216    0   2   4         4
                78.52          1.49        1.2181   -3   2   3         4
                80.62          1.28        1.1917    0   0   8         2
                82.49          1.20        1.1693   -6   1   5         4
                88.13          2.28        1.1085   -4   2   4         4
                89.24          1.01        1.0976    5   1   6         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.