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 = .45, synthesized at 600 C, 1 GPa, 19 h
      _database_code_amcsd 0004333

      CELL PARAMETERS:    4.7963   4.7963  15.7663   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    314.104
      Density (g/cm3):      4.211
      MAX. ABS. INTENSITY / VOLUME**2:      60.03478329    
      RIR:      4.642
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.87          5.14        5.2554    0   0   3         2
                22.13          2.71        4.0167    1   0   1         6
                24.22         47.32        3.6748    0   1   2         6
                31.28        100.00        2.8592    1   0   4         6
                35.75          1.69        2.5115    0   1   5         6
                37.50         25.99        2.3981    1   1   0         6
                41.38          2.11        2.1817    2  -1   3         6
                41.38          8.61        2.1817    1   1   3         6
                43.97          2.03        2.0591    0   2   1         6
                45.15         21.68        2.0083    2   0   2         6
                49.61         11.73        1.8374    0   2   4         6
                51.31         19.08        1.7805    0   1   8         6
                51.60         16.15        1.7714    1   1   6         6
                51.60         12.25        1.7714    2  -1   6         6
                59.14          1.42        1.5622    3  -1   1         6
                60.09          7.56        1.5397   -1   3   2         6
                60.09          6.34        1.5397    1   2   2         6
                63.07          3.30        1.4740    1   0  10         6
                63.82          6.02        1.4585    3  -1   4         6
                63.82          3.99        1.4585    2   1   4         6
                65.27          4.01        1.4296    2   0   8         6
                66.05          1.71        1.4146    2  -1   9         6
                66.53          1.38        1.4054   -1   3   5         6
                67.67          7.58        1.3846    3   0   0         6
                71.85          2.70        1.3139    0   0  12         2
                75.74          2.90        1.2558    0   2  10         6
                77.78          2.42        1.2280    1   2   8         6
                77.78          2.53        1.2280   -1   3   8         6
                78.01          1.13        1.2249    0   3   6         6
                78.01          1.20        1.2249    3   0   6         6
                83.99          1.27        1.1523    1   1  12         6
                83.99          2.12        1.1523    2  -1  12         6
                87.73          1.35        1.1125    3  -1  10         6
                87.73          2.24        1.1125    2   1  10         6
                88.40          1.07        1.1058    1   3   4         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.