Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p2
      Note: P = 23.65 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020343

      CELL PARAMETERS:    4.6554   4.6554  14.1490   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    265.565
      Density (g/cm3):      4.290
      MAX. ABS. INTENSITY / VOLUME**2:      43.42805732    
      RIR:      3.297
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.43         34.65        3.5028    0   1   2         6
                33.71        100.00        2.6589    1   0   4         6
                38.68         22.34        2.3277    1   1   0         6
                43.35         17.98        2.0873    1   1   3        12
                46.86         20.10        1.9387    2   0   2         6
                52.23          9.96        1.7514    0   2   4         6
                55.47         24.84        1.6566    1   1   6        12
                56.85         15.39        1.6196    0   1   8         6
                61.17          2.07        1.5151    2   1   1        12
                62.33         12.18        1.4897    1   2   2        12
                66.85          8.91        1.3995    2   1   4        12
                70.01          9.41        1.3439    3   0   0         6
                70.14          1.08        1.3417    1   2   5        12
                70.54          1.67        1.3351    1   0  10         6
                70.88          3.20        1.3295    2   0   8         6
                72.56          1.77        1.3028    1   1   9        12
                81.66          2.34        1.1791    0   0  12         2
                83.47          2.13        1.1581    0   2  10         6
                83.79          3.94        1.1544    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.