Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p18
      Note: P = 14.82 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020375

      CELL PARAMETERS:    4.6826   4.6826  14.6130   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    277.488
      Density (g/cm3):      4.105
      MAX. ABS. INTENSITY / VOLUME**2:      43.91733423    
      RIR:      3.483
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.12         32.34        3.5457    0   1   2         6
                33.00        100.00        2.7143    1   0   4         6
                38.45         21.38        2.3413    1   1   0         6
                42.86         17.80        2.1102    1   1   3        12
                46.48         19.95        1.9538    2   0   2         6
                51.55          9.93        1.7729    0   2   4         6
                54.35         26.20        1.6879    1   1   6        12
                55.15         16.94        1.6655    0   1   8         6
                60.76          2.21        1.5244    2   1   1        12
                61.85         12.65        1.5001    1   2   2        12
                66.11          9.11        1.4134    2   1   4        12
                68.22          1.89        1.3748    1   0  10         6
                69.21          1.23        1.3574    1   2   5        12
                69.23          3.46        1.3571    2   0   8         6
                69.54          9.65        1.3518    3   0   0         6
                70.59          2.06        1.3342    1   1   9        12
                78.55          2.82        1.2177    0   0  12         2
                81.13          2.52        1.1855    0   2  10         6
                82.08          4.30        1.1741    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.