Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p1
      Note: P = 22.50 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020342

      CELL PARAMETERS:    4.6581   4.6581  14.2130   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    267.076
      Density (g/cm3):      4.265
      MAX. ABS. INTENSITY / VOLUME**2:      40.42146532    
      RIR:      3.086
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.39         35.48        3.5082    0   1   2         6
                33.61        100.00        2.6664    1   0   4         6
                38.66         21.66        2.3291    1   1   0         6
                43.29         17.25        2.0901    1   1   3        12
                46.82         18.77        1.9404    2   0   2         6
                52.14          9.06        1.7541    0   2   4         6
                55.32         22.30        1.6608    1   1   6        12
                56.61         13.80        1.6259    0   1   8         6
                61.13          1.79        1.5160    2   1   1        12
                62.28         10.37        1.4908    1   2   2        12
                66.76          7.39        1.4012    2   1   4        12
                69.96          7.66        1.3447    3   0   0         6
                70.21          1.36        1.3405    1   0  10         6
                70.65          2.60        1.3332    2   0   8         6
                72.29          1.45        1.3071    1   1   9        12
                81.22          1.79        1.1844    0   0  12         2
                83.14          1.59        1.1618    0   2  10         6
                83.56          2.91        1.1570    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.