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 = .8, ilmenite structure
      _database_code_amcsd 0006000

      CELL PARAMETERS:    5.0885   5.0885  13.9937   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    313.791
      Density (g/cm3):      5.053
      MAX. ABS. INTENSITY / VOLUME**2:      58.84764283    
      RIR:      3.792
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.14          3.18        4.2033    1   0   1         6
                23.86         21.12        3.7288    0   1   2         6
                32.68        100.00        2.7400    1   0   4         6
                35.28         67.39        2.5442    1   1   0         6
                38.09          1.79        2.3625    0   1   5         6
                40.38          2.15        2.2336    2  -1   3         6
                40.38         18.00        2.2336    1   1   3         6
                41.49          3.36        2.1766    0   2   1         6
                48.85         36.27        1.8644    0   2   4         6
                50.11          2.04        1.8205    1   0   7         6
                52.88          1.57        1.7312    2   0   5         6
                53.28         20.66        1.7192    2  -1   6         6
                53.28         13.51        1.7192    1   1   6         6
                55.56          1.38        1.6539    2   1   1         6
                56.61         11.31        1.6258    0   1   8         6
                56.82          1.48        1.6203   -1   3   2         6
                61.68         12.53        1.5039    2   1   4         6
                61.68         17.83        1.5039    3  -1   4         6
                63.31         26.99        1.4689    3   0   0         6
                68.49          3.88        1.3700    2   0   8         6
                70.62          8.15        1.3337    1   0  10         6
                71.05          2.62        1.3267    1   1   9         6
                74.60          6.90        1.2721    2   2   0         6
                77.83          1.33        1.2273    4  -2   3         6
                79.45          3.27        1.2062   -1   3   8         6
                79.45          2.70        1.2062    1   2   8         6
                79.63          1.05        1.2040    3   1   2         6
                81.48          4.57        1.1813    0   2  10         6
                83.85          5.75        1.1538    1   3   4         6
                83.85          3.46        1.1538   -1   4   4         6
                87.31          3.27        1.1168    2   2   6         6
                87.31          2.36        1.1168    4  -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.