Wadsleyite
      Hazen R M, Weinberger M B, Yang H, Prewitt C T
      American Mineralogist 85 (2000) 770-777
      Comparative high-pressure crystal chemistry of wadsleyite,
      beta-(Mg_1-xFe_x)2SiO4, with x=0 and 0.25
      Sample: P = 5.23 GPa, X = .25
      _database_code_amcsd 0002447

      CELL PARAMETERS:    5.6737  11.4201   8.2082   90.000   90.000   90.000
      SPACE GROUP: Imma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    531.844
      Density (g/cm3):      3.908
      MAX. ABS. INTENSITY / VOLUME**2:      10.23645478    
      RIR:      0.853
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.28          7.84        6.6652    0   1   1         4
                15.52          1.31        5.7101    0   2   0         2
                19.01          4.50        4.6672    1   0   1         4
                25.80          2.56        3.4534    0   3   1         4
                27.95         32.75        3.1927    1   1   2         8
                31.33         13.50        2.8550    0   4   0         2
                31.54          9.11        2.8368    2   0   0         2
                33.68         55.79        2.6608    0   1   3         4
                34.36         68.07        2.6103    2   1   1         8
                35.86         16.10        2.5044    1   3   2         8
                36.46         37.23        2.4645    1   0   3         4
                36.91        100.00        2.4355    1   4   1         8
                39.84          1.23        2.2627    1   2   3         8
                40.61         14.13        2.2217    0   3   3         4
                41.02          5.09        2.2004    0   5   1         4
                41.18         35.12        2.1921    2   3   1         8
                44.13         39.86        2.0521    0   0   4         2
                45.05         86.20        2.0124    2   4   0         4
                47.80          3.81        1.9027    1   1   4         8
                48.34          4.21        1.8827    1   5   2         8
                48.82          4.06        1.8656    1   4   3         8
                49.46          1.89        1.8429    3   0   1         4
                52.17          8.43        1.7534    0   5   3         4
                52.30          4.67        1.7491    2   3   3         8
                52.64          8.74        1.7387    2   5   1         8
                53.22          5.85        1.7212    1   3   4         8
                53.99          3.66        1.6985    3   1   2         8
                55.12          1.46        1.6663    0   4   4         4
                55.25          6.51        1.6627    2   0   4         4
                56.64          1.37        1.6249    0   1   5         4
                58.53          8.18        1.5770    1   0   5         4
                59.00          3.53        1.5656    3   3   2         8
                59.41         10.66        1.5557    3   0   3         4
                59.72         15.24        1.5484    3   4   1         8
                61.52          4.95        1.5074    0   3   5         4
                62.25          1.59        1.4915    2   5   3         8
                63.07          3.08        1.4740    1   5   4         8
                63.52          3.01        1.4647    1   7   2         8
                64.90         97.72        1.4368    2   4   4         8
                65.37         26.17        1.4275    0   8   0         2
                65.84         25.96        1.4184    4   0   0         2
                66.29          2.34        1.4100    2   1   5         8
                66.76          8.34        1.4012    0   7   3         4
                67.17          5.91        1.3937    2   7   1         8
                67.90          1.02        1.3805    3   1   4         8
                68.33          1.44        1.3728    3   5   2         8
                70.66          4.01        1.3330    0   5   5         4
                71.41          1.68        1.3210    1   1   6         8
                72.34          1.64        1.3062    3   3   4         8
                74.39          1.06        1.2752    2   8   0         4
                74.73          1.63        1.2703    4   4   0         4
                75.76          1.08        1.2555    1   3   6         8
                76.04          7.56        1.2517    4   1   3         8
                76.90          4.38        1.2397    3   0   5         4
                77.23          6.19        1.2353    1   8   3         8
                77.35          1.16        1.2337    0   4   6         4
                78.55          1.60        1.2177    2   8   2         8
                80.31          3.01        1.1955    4   3   3         8
                80.93          1.10        1.1878    3   5   4         8
                81.34          1.32        1.1829    3   7   2         8
                82.27          5.99        1.1719    0   8   4         4
                82.71          5.90        1.1668    4   0   4         4
                84.09          1.85        1.1511    0   9   3         4
                84.47          4.25        1.1469    2   9   1         8
                88.66          1.10        1.1033    3   1   6         8
                88.71          2.71        1.1028    4   5   3         8
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.