Magnesite
      Ross N L
      American Mineralogist 82 (1997) 682-688
      The equation of state and high-pressure behaviour of magnesite
      Sample: at P = 4.16 GPa
      _database_code_amcsd 0001908

      CELL PARAMETERS:    4.5988   4.5988  14.7525   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    270.200
      Density (g/cm3):      3.109
      MAX. ABS. INTENSITY / VOLUME**2:      16.97844081    
      RIR:      1.778
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                33.10        100.00        2.7060    1   0   4         6
                36.55         13.15        2.4588    0   0   6         2
                39.18          6.11        2.2994    1   1   0         6
                43.45         53.86        2.0829    1   1   3        12
                47.28         13.71        1.9225    2   0   2         6
                52.20          5.73        1.7522    0   2   4         6
                54.65         25.16        1.6794    1   1   6        12
                54.86         18.27        1.6734    0   1   8         6
                61.97          4.89        1.4975    2   1   1        12
                63.03          7.80        1.4749    1   2   2        12
                67.17          6.92        1.3937    2   1   4        12
                69.47          2.32        1.3530    2   0   8         6
                70.19          2.89        1.3409    1   2   5        12
                70.56          7.33        1.3347    1   1   9        12
                71.00         14.81        1.3276    3   0   0         6
                77.67          5.06        1.2294    0   0  12         2
                78.01          1.90        1.2249    2   1   7        12
                81.14          2.08        1.1854    0   2  10         6
                82.77          3.62        1.1661    1   2   8        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.