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 = 0, synthesized at 800 C, 1 GPa, 1 h
      _database_code_amcsd 0004339

      CELL PARAMETERS:    4.9204   4.9204  16.2948   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    341.649
      Density (g/cm3):      5.027
      MAX. ABS. INTENSITY / VOLUME**2:      107.0953263    
      RIR:      6.936
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.56         75.96        3.7759    0   1   2         6
                30.35        100.00        2.9446    1   0   4         6
                32.98          3.72        2.7158    0   0   6         2
                36.52         32.63        2.4602    1   1   0         6
                40.24          4.84        2.2410    1   1   3        12
                43.93         22.72        2.0613    2   0   2         6
                48.20         13.23        1.8880    0   2   4         6
                49.61         18.66        1.8377    0   1   8         6
                50.02         29.26        1.8233    1   1   6        12
                58.41         15.04        1.5800    1   2   2        12
                60.86          4.09        1.5220    1   0  10         6
                61.96         10.34        1.4978    2   1   4        12
                63.15          4.66        1.4723    2   0   8         6
                65.74          6.48        1.4204    3   0   0         6
                69.18          2.29        1.3579    0   0  12         2
                73.11          3.05        1.2943    0   2  10         6
                75.21          4.71        1.2633    1   2   8        12
                75.54          1.54        1.2586    0   3   6         6
                75.54          1.54        1.2586    3   0   6         6
                80.85          3.37        1.1888    1   1  12        12
                84.60          3.34        1.1455    2   1  10        12
                85.56          1.39        1.1350    1   3   4        12
                86.73          1.05        1.1228    0   1  14         6
                86.94          1.04        1.1205    2   2   6        12
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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.