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 800 C, 1 GPa, 1 h
      _database_code_amcsd 0004342

      CELL PARAMETERS:    4.8341   4.8341  15.9434   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    322.658
      Density (g/cm3):      4.507
      MAX. ABS. INTENSITY / VOLUME**2:      73.05495796    
      RIR:      5.278
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.01         59.16        3.7064    0   1   2         6
                30.98        100.00        2.8867    1   0   4         6
                33.73          1.46        2.6572    0   0   6         2
                37.20         27.91        2.4170    1   1   0         6
                41.02          7.68        2.2002    1   1   3        12
                44.76         21.09        2.0246    2   0   2         6
                49.16         11.58        1.8532    0   2   4         6
                50.73         17.92        1.7994    0   1   8         6
                51.08         27.52        1.7880    1   1   6        12
                58.63          1.04        1.5746    2   1   1        12
                59.57         13.48        1.5521    1   2   2        12
                62.32          3.24        1.4900    1   0  10         6
                63.23          9.18        1.4707    2   1   4        12
                64.57          4.01        1.4434    2   0   8         6
                67.07          6.60        1.3955    3   0   0         6
                70.94          2.33        1.3286    0   0  12         2
                74.86          2.72        1.2683    0   2  10         6
                76.94          4.13        1.2392    1   2   8        12
                77.22          1.09        1.2355    0   3   6         6
                77.22          1.09        1.2355    3   0   6         6
                82.92          2.81        1.1643    1   1  12        12
                86.70          2.93        1.1231    2   1  10        12
                87.51          1.35        1.1148    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.