Wadsleyite
      Sawamoto H, Horiuchi H
      Physics and Chemistry of Minerals 17 (1990) 293-300
      Beta (Mg0.9Fe0.1)2SiO4: single crystal structure, cation
      distribution, and properties of coordination polyhedra
      _database_code_amcsd 0007489

      CELL PARAMETERS:    5.7107  11.4675   8.2778   90.000   90.000   90.000
      SPACE GROUP: Imma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    542.092
      Density (g/cm3):      3.602
      MAX. ABS. INTENSITY / VOLUME**2:      8.793843132    
      RIR:      0.795
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.19          1.61        6.7118    0   1   1         4
                27.73         41.07        3.2167    1   1   2         8
                31.20         13.43        2.8669    0   4   0         2
                31.33         12.00        2.8554    2   0   0         2
                33.40         53.65        2.6827    0   1   3         4
                34.12         62.96        2.6275    2   1   1         8
                35.63         17.26        2.5199    1   3   2         8
                36.15         36.01        2.4845    1   0   3         4
                36.72         97.25        2.4476    1   4   1         8
                38.19          1.07        2.3567    0   4   2         4
                39.53          1.21        2.2797    1   2   3         8
                40.31         13.78        2.2373    0   3   3         4
                40.83          4.28        2.2102    0   5   1         4
                40.93         32.57        2.2049    2   3   1         8
                43.74         37.20        2.0694    0   0   4         2
                44.80         82.26        2.0231    2   4   0         4
                47.39          4.40        1.9182    1   1   4         8
                48.07          3.83        1.8927    1   5   2         8
                48.49          3.14        1.8775    1   4   3         8
                49.11          1.19        1.8551    3   0   1         4
                51.84          8.46        1.7638    0   5   3         4
                51.92          3.09        1.7611    2   3   3         8
                52.35          7.78        1.7478    2   5   1         8
                52.80          7.27        1.7339    1   3   4         8
                53.59          4.66        1.7101    3   1   2         8
                54.70          2.05        1.6780    0   4   4         4
                54.78          6.74        1.6756    2   0   4         4
                58.00          8.19        1.5901    1   0   5         4
                58.58          3.84        1.5757    3   3   2         8
                58.95         10.62        1.5669    3   0   3         4
                59.34         15.24        1.5575    3   4   1         8
                60.99          4.45        1.5192    0   3   5         4
                61.83          1.17        1.5006    2   5   3         8
                62.61          3.92        1.4837    1   5   4         8
                63.18          3.92        1.4718    1   7   2         8
                64.40        100.00        1.4467    2   4   4         8
                65.07         26.87        1.4334    0   8   0         2
                65.36         27.21        1.4277    4   0   0         2
                65.70          2.04        1.4212    2   1   5         8
                66.36          8.47        1.4086    0   7   3         4
                66.80          5.26        1.4005    2   7   1         8
                67.33          1.21        1.3907    3   1   4         8
                67.88          1.35        1.3808    3   5   2         8
                70.10          3.94        1.3424    0   5   5         4
                70.73          1.53        1.3320    1   1   6         8
                71.76          2.11        1.3154    3   3   4         8
                73.99          1.56        1.2811    2   8   0         4
                74.20          1.51        1.2780    4   4   0         4
                75.07          1.53        1.2654    1   3   6         8
                75.42          7.60        1.2603    4   1   3         8
                76.21          4.47        1.2492    3   0   5         4
                76.76          6.14        1.2416    1   8   3         8
                79.67          3.01        1.2035    4   3   3         8
                80.30          1.45        1.1956    3   5   4         8
                80.81          1.74        1.1893    3   7   2         8
                81.72          5.63        1.1784    0   8   4         4
                81.99          5.60        1.1752    4   0   4         4
                83.58          1.73        1.1568    0   9   3         4
                83.99          4.30        1.1522    2   9   1         8
                87.80          1.02        1.1118    3   1   6         8
                88.01          2.80        1.1097    4   5   3         8
                89.40          1.02        1.0959    5   1   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.