Ecandrewsite
      Mitchell R H, Liferovich R P
      The Canadian Mineralogist 42 (2004) 1871-1880
      The pyrophanite-ecandrewsite solid-solution: crystal structures
      of the Mn1-xZnxSiO3 series (0.1 <= x <= 0.8)
      Sample: x = .7, ilmenite structure
      _database_code_amcsd 0005999

      CELL PARAMETERS:    5.0947   5.0947  14.0302   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    315.381
      Density (g/cm3):      4.995
      MAX. ABS. INTENSITY / VOLUME**2:      55.31034740    
      RIR:      3.606
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.11          2.55        4.2089    1   0   1         6
                23.82         22.16        3.7349    0   1   2         6
                32.61        100.00        2.7457    1   0   4         6
                35.23         66.83        2.5474    1   1   0         6
                38.00          1.67        2.3678    0   1   5         6
                40.32          3.21        2.2370    2  -1   3         6
                40.32         16.72        2.2370    1   1   3         6
                41.43          2.95        2.1793    0   2   1         6
                48.76         35.66        1.8674    0   2   4         6
                49.98          1.47        1.8248    1   0   7         6
                52.79          1.54        1.7343    2   0   5         6
                53.17         20.82        1.7226    2  -1   6         6
                53.17         14.19        1.7226    1   1   6         6
                55.49          1.09        1.6560    2   1   1         6
                56.46         10.55        1.6297    0   1   8         6
                56.74          1.55        1.6224   -1   3   2         6
                61.58         11.78        1.5061    2   1   4         6
                61.58         17.08        1.5061    3  -1   4         6
                63.23         26.35        1.4707    3   0   0         6
                68.33          3.40        1.3728    2   0   8         6
                70.42          7.93        1.3370    1   0  10         6
                70.87          2.82        1.3297    1   1   9         6
                74.50          6.30        1.2737    2   2   0         6
                79.27          2.89        1.2085   -1   3   8         6
                79.27          2.26        1.2085    1   2   8         6
                79.51          1.08        1.2055    3   1   2         6
                81.26          4.26        1.1839    0   2  10         6
                83.71          2.98        1.1554   -1   4   4         6
                83.71          5.21        1.1554    1   3   4         6
                87.14          2.31        1.1185    4  -2   6         6
                87.14          3.14        1.1185    2   2   6         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.