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, 19 h
      _database_code_amcsd 0004332

      CELL PARAMETERS:    4.8116   4.8116  15.8303   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    317.394
      Density (g/cm3):      4.305
      MAX. ABS. INTENSITY / VOLUME**2:      64.83647410    
      RIR:      4.903
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.80          5.25        5.2768    0   0   3         2
                22.06          1.97        4.0297    1   0   1         6
                24.14         51.50        3.6872    0   1   2         6
                31.17        100.00        2.8696    1   0   4         6
                35.61          1.14        2.5209    0   1   5         6
                37.38         27.13        2.4058    1   1   0         6
                41.24          2.04        2.1890    2  -1   3         6
                41.24          7.67        2.1890    1   1   3         6
                43.83          1.73        2.0657    0   2   1         6
                44.99         22.18        2.0148    2   0   2         6
                49.44         12.28        1.8436    0   2   4         6
                51.10         19.30        1.7875    0   1   8         6
                51.40         16.71        1.7777    1   1   6         6
                51.40         12.19        1.7777    2  -1   6         6
                58.93          1.24        1.5672    3  -1   1         6
                59.88          7.69        1.5447   -1   3   2         6
                59.88          6.59        1.5447    1   2   2         6
                62.79          3.54        1.4798    1   0  10         6
                63.58          6.25        1.4633    3  -1   4         6
                63.58          4.12        1.4633    2   1   4         6
                65.00          4.19        1.4348    2   0   8         6
                65.77          1.46        1.4199    2  -1   9         6
                66.28          1.20        1.4101   -1   3   5         6
                67.42          7.61        1.3890    3   0   0         6
                71.52          2.66        1.3192    0   0  12         2
                75.41          2.93        1.2605    0   2  10         6
                77.45          2.46        1.2323    1   2   8         6
                77.45          2.71        1.2323   -1   3   8         6
                77.69          1.23        1.2291    0   3   6         6
                77.69          1.31        1.2291    3   0   6         6
                83.59          1.31        1.1567    1   1  12         6
                83.59          2.31        1.1567    2  -1  12         6
                87.34          2.33        1.1165    2   1  10         6
                87.34          1.36        1.1165    3  -1  10         6
                88.04          1.07        1.1094    1   3   4         6
                89.89          1.03        1.0913    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.