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 = .3, synthesized at 600 C, 1 GPa, 3 h
      _database_code_amcsd 0004327

      CELL PARAMETERS:    4.8398   4.8398  15.9621   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    323.799
      Density (g/cm3):      4.491
      MAX. ABS. INTENSITY / VOLUME**2:      74.48285554    
      RIR:      5.400
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.98         57.68        3.7108    0   1   2         6
                30.94        100.00        2.8901    1   0   4         6
                33.69          1.33        2.6604    0   0   6         2
                37.15         27.91        2.4199    1   1   0         6
                40.97          8.02        2.2028    1   1   3        12
                44.71         21.15        2.0270    2   0   2         6
                49.10         11.78        1.8554    0   2   4         6
                50.67         18.53        1.8016    0   1   8         6
                51.02         27.88        1.7901    1   1   6        12
                58.55          1.16        1.5765    2   1   1        12
                59.49         13.76        1.5539    1   2   2        12
                62.24          3.21        1.4917    1   0  10         6
                63.14          9.58        1.4724    2   1   4        12
                64.48          4.19        1.4451    2   0   8         6
                65.22          1.02        1.4305    1   1   9        12
                66.98          7.11        1.3971    3   0   0         6
                70.84          2.56        1.3302    0   0  12         2
                74.76          2.84        1.2698    0   2  10         6
                76.83          4.43        1.2407    1   2   8        12
                77.11          1.07        1.2369    0   3   6         6
                77.11          1.07        1.2369    3   0   6         6
                82.81          3.02        1.1657    1   1  12        12
                86.57          3.11        1.1244    2   1  10        12
                87.38          1.52        1.1161    1   3   4        12
                88.85          1.01        1.1014    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.