Magnesite
      Ross N L
      American Mineralogist 82 (1997) 682-688
      The equation of state and high-pressure behaviour of magnesite
      Sample: at P = 0 GPa
      _database_code_amcsd 0001905

      CELL PARAMETERS:    4.6339   4.6339  15.0177   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    279.272
      Density (g/cm3):      3.008
      MAX. ABS. INTENSITY / VOLUME**2:      16.81861301    
      RIR:      1.821
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                32.66        100.00        2.7417    1   0   4         6
                35.88         13.39        2.5029    0   0   6         2
                38.87          6.03        2.3170    1   1   0         6
                43.02         51.68        2.1027    1   1   3        12
                46.87         13.43        1.9385    2   0   2         6
                51.65          5.33        1.7697    0   2   4         6
                53.92         18.48        1.7004    0   1   8         6
                53.92         24.22        1.7003    1   1   6        12
                61.44          5.11        1.5091    2   1   1        12
                62.47          7.69        1.4868    1   2   2        12
                66.48          6.36        1.4064    2   1   4        12
                68.44          2.17        1.3708    2   0   8         6
                69.41          7.21        1.3540    1   1   9        12
                69.41          3.05        1.3539    1   2   5        12
                70.38         13.76        1.3377    3   0   0         6
                76.05          5.05        1.2515    0   0  12         2
                76.99          2.00        1.2385    2   1   7        12
                79.76          2.05        1.2023    0   2  10         6
                81.60          3.31        1.1798    1   2   8        12
                88.87          1.27        1.1011    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.