Magnesite
      Markgraf S A, Reeder R J
      American Mineralogist 70 (1985) 590-600
      High-temperature structure refinements of calcite and magnesite
      Sample: T = 24 C
      _database_code_amcsd 0000990

      CELL PARAMETERS:    4.6350   4.6350  15.0190   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    279.429
      Density (g/cm3):      3.006
      MAX. ABS. INTENSITY / VOLUME**2:      16.76303658    
      RIR:      1.816
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                32.66        100.00        2.7421    1   0   4         6
                35.87         13.20        2.5032    0   0   6         2
                38.86          6.13        2.3175    1   1   0         6
                43.01         50.92        2.1031    1   1   3        12
                46.86         13.40        1.9390    2   0   2         6
                51.64          5.35        1.7700    0   2   4         6
                53.91         23.98        1.7006    1   1   6        12
                53.92         18.36        1.7006    0   1   8         6
                61.42          5.00        1.5095    2   1   1        12
                62.45          7.67        1.4871    1   2   2        12
                66.47          6.35        1.4067    2   1   4        12
                68.43          2.18        1.3710    2   0   8         6
                69.40          2.96        1.3542    1   2   5        12
                69.40          6.95        1.3542    1   1   9        12
                70.36         13.45        1.3380    3   0   0         6
                76.04          4.92        1.2516    0   0  12         2
                76.97          1.93        1.2388    2   1   7        12
                79.75          2.03        1.2025    0   2  10         6
                81.58          3.30        1.1800    1   2   8        12
                88.86          1.30        1.1012    1   1  12        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.