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 800 C, 1 GPa, 1 h
      _database_code_amcsd 0004343

      CELL PARAMETERS:    4.8095   4.8095  15.8358   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    317.227
      Density (g/cm3):      4.308
      MAX. ABS. INTENSITY / VOLUME**2:      62.45150486    
      RIR:      4.721
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.14         52.57        3.6862    0   1   2         6
                31.17        100.00        2.8695    1   0   4         6
                37.40         25.91        2.4048    1   1   0         6
                41.25          9.27        2.1884    1   1   3        12
                45.01         20.44        2.0141    2   0   2         6
                49.45         10.96        1.8431    0   2   4         6
                51.09         17.65        1.7878    0   1   8         6
                51.40         26.97        1.7776    1   1   6        12
                58.96          1.17        1.5666    2   1   1        12
                59.91         12.86        1.5441    1   2   2        12
                62.77          2.93        1.4802    1   0  10         6
                63.61          8.77        1.4629    2   1   4        12
                65.00          3.77        1.4348    2   0   8         6
                65.76          1.06        1.4200    1   1   9        12
                67.46          6.74        1.3884    3   0   0         6
                71.49          2.37        1.3197    0   0  12         2
                75.41          2.59        1.2605    0   2  10         6
                77.46          3.93        1.2321    1   2   8        12
                83.57          2.59        1.1569    1   1  12        12
                87.34          2.77        1.1165    2   1  10        12
                88.08          1.33        1.1090    1   3   4        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.