Magnesite
      Ross N L
      American Mineralogist 82 (1997) 682-688
      The equation of state and high-pressure behaviour of magnesite
      Sample: at P = 3.09 GPa
      _database_code_amcsd 0001907

      CELL PARAMETERS:    4.6068   4.6068  14.8170   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    272.326
      Density (g/cm3):      3.084
      MAX. ABS. INTENSITY / VOLUME**2:      17.04400017    
      RIR:      1.799
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                33.00        100.00        2.7146    1   0   4         6
                36.38         13.06        2.4695    0   0   6         2
                39.11          6.14        2.3034    1   1   0         6
                43.34         52.55        2.0875    1   1   3        12
                47.18         13.70        1.9262    2   0   2         6
                52.07          5.55        1.7563    0   2   4         6
                54.47         24.74        1.6844    1   1   6        12
                54.63         18.30        1.6799    0   1   8         6
                61.85          5.00        1.5002    2   1   1        12
                62.90          7.87        1.4776    1   2   2        12
                67.01          6.68        1.3966    2   1   4        12
                69.22          2.26        1.3573    2   0   8         6
                70.01          2.96        1.3439    1   2   5        12
                70.28          7.17        1.3394    1   1   9        12
                70.86         14.27        1.3299    3   0   0         6
                77.27          5.01        1.2348    0   0  12         2
                77.76          1.94        1.2282    2   1   7        12
                80.80          2.09        1.1895    0   2  10         6
                82.49          3.49        1.1694    1   2   8        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.