Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p6
      Note: P = 31.19 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020347

      CELL PARAMETERS:    4.6278   4.6278  13.7970   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    255.897
      Density (g/cm3):      4.452
      MAX. ABS. INTENSITY / VOLUME**2:      44.14668616    
      RIR:      3.229
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.71         35.30        3.4654    0   1   2         6
                34.30        100.00        2.6143    1   0   4         6
                38.92         23.16        2.3139    1   1   0         6
                43.80         18.02        2.0670    1   1   3        12
                47.23         20.45        1.9244    2   0   2         6
                52.84         10.00        1.7327    0   2   4         6
                56.41         24.10        1.6311    1   1   6        12
                58.24         14.63        1.5842    0   1   8         6
                61.59          2.11        1.5058    2   1   1        12
                62.81         12.26        1.4796    1   2   2        12
                67.54          8.89        1.3869    2   1   4        12
                70.49          9.45        1.3359    3   0   0         6
                70.98          1.08        1.3279    1   2   5        12
                72.28          3.09        1.3072    2   0   8         6
                72.45          1.54        1.3046    1   0  10         6
                74.20          1.64        1.2780    1   1   9        12
                84.21          2.15        1.1497    0   0  12         2
                85.28          3.83        1.1381    1   2   8        12
                85.44          2.00        1.1364    0   2  10         6
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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.