Otavite
      Bromiley F A, Boffa Ballaran T, Langenhorst F, Seifert F
      American Mineralogist 92 (2007) 829-836
      Order and miscibility in the otavite - magnesite solid solution
      Locality: synthetic
      Sample: X_Mg = .4, synthesized at 600 C, 1 GPa, 3 h
      _database_code_amcsd 0004328

      CELL PARAMETERS:    4.8113   4.8113  15.8356   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    317.461
      Density (g/cm3):      4.305
      MAX. ABS. INTENSITY / VOLUME**2:      65.21664775    
      RIR:      4.933
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.80          3.67        5.2785    0   0   3         2
                22.06          1.22        4.0296    1   0   1         6
                24.14         50.55        3.6873    0   1   2         6
                31.16        100.00        2.8700    1   0   4         6
                37.38         27.14        2.4056    1   1   0         6
                41.24          2.53        2.1890    2  -1   3         6
                41.24          6.60        2.1890    1   1   3         6
                43.83          1.37        2.0656    0   2   1         6
                44.99         22.07        2.0148    2   0   2         6
                49.44         12.15        1.8437    0   2   4         6
                51.08         19.23        1.7879    0   1   8         6
                51.39         12.10        1.7779    2  -1   6         6
                51.39         16.56        1.7779    1   1   6         6
                58.93          1.11        1.5671    3  -1   1         6
                59.88          7.65        1.5446   -1   3   2         6
                59.88          6.66        1.5446    1   2   2         6
                62.77          3.52        1.4803    1   0  10         6
                63.58          4.08        1.4633    2   1   4         6
                63.58          6.13        1.4633    3  -1   4         6
                64.99          4.15        1.4350    2   0   8         6
                65.75          1.37        1.4202    2  -1   9         6
                66.28          1.12        1.4101   -1   3   5         6
                67.43          7.48        1.3889    3   0   0         6
                71.49          2.63        1.3196    0   0  12         2
                75.40          2.94        1.2607    0   2  10         6
                77.44          2.40        1.2324    1   2   8         6
                77.44          2.69        1.2324   -1   3   8         6
                77.69          1.25        1.2291    0   3   6         6
                77.69          1.33        1.2291    3   0   6         6
                83.57          2.29        1.1570    2  -1  12         6
                83.57          1.30        1.1570    1   1  12         6
                87.32          1.37        1.1167    3  -1  10         6
                87.32          2.33        1.1167    2   1  10         6
                88.04          1.06        1.1093    1   3   4         6
                89.86          1.03        1.0916    0   1  14         6
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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.