Cr2SiO4
      Miletich R, Nowak M, Seifert F, Angel R J, Brandstatter G
      Physics and Chemistry of Minerals 26 (1999) 446-459
      High-pressure crystal chemistry of chromous orthosilicate, Cr2SiO4.
      A single-crystal X-ray diffraction and electronic absorption
      spectroscopy study
      Sample: P = 9.220 GPa
      _database_code_amcsd 0008227

      CELL PARAMETERS:    5.6374  11.0375   9.1192   90.000   90.000   90.000
      SPACE GROUP: Fddd      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    567.422
      Density (g/cm3):      4.590
      MAX. ABS. INTENSITY / VOLUME**2:      32.07992906    
      RIR:      2.276
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.19         22.61        4.3980    1   1   1         8
                25.34          1.87        3.5151    0   2   2         4
                32.45         43.50        2.7594    0   4   0         2
                34.49        100.00        2.6003    1   1   3         8
                35.77         67.92        2.5102    2   2   0         4
                39.53         29.75        2.2798    0   0   4         2
                41.05         12.57        2.1990    2   2   2         8
                41.74         17.81        2.1639    1   3   3         8
                45.22         14.52        2.0052    1   5   1         8
                50.26          9.94        1.8154    3   1   1         8
                52.03          3.41        1.7575    0   4   4         4
                53.45          1.59        1.7142    1   1   5         8
                53.84         35.63        1.7028    1   5   3         8
                54.36          6.25        1.6877    2   2   4         8
                55.86          2.06        1.6460    3   3   1         8
                58.33         21.80        1.5819    3   1   3         8
                60.06         22.90        1.5405    2   6   0         4
                61.95          2.96        1.4979    1   7   1         8
                63.45         11.92        1.4660    3   3   3         8
                63.49          4.67        1.4653    0   2   6         4
                66.32          3.60        1.4094    4   0   0         2
                67.94          2.45        1.3797    0   8   0         2
                68.82          3.44        1.3642    1   5   5         8
                69.15         11.00        1.3584    1   7   3         8
                70.38          6.01        1.3378    2   0   6         4
                72.76          3.98        1.2997    3   1   5         8
                73.09          4.93        1.2946    3   5   3         8
                74.31          5.85        1.2764    2   6   4         8
                75.38          3.07        1.2610    1   1   7         8
                75.79          7.77        1.2551    4   4   0         4
                77.39          1.26        1.2331    3   3   5         8
                79.15          1.04        1.2101    4   4   2         8
                79.65          5.59        1.2038    2   4   6         8
                82.29          4.28        1.1717    0   6   6         4
                82.69          1.74        1.1670    1   7   5         8
                85.11          2.22        1.1399    0   0   8         2
                86.75          2.58        1.1225    3   7   3         8
                87.50          2.30        1.1149    1   9   3         8
                88.95          2.40        1.1004    1   5   7         8
                89.04          2.11        1.0995    4   4   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.