Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p9
      Note: P = 37.58 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020350

      CELL PARAMETERS:    4.6024   4.6024  13.5170   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    247.959
      Density (g/cm3):      4.594
      MAX. ABS. INTENSITY / VOLUME**2:      44.03302588    
      RIR:      3.121
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.95         37.22        3.4332    0   1   2         6
                34.81        100.00        2.5775    1   0   4         6
                39.15         24.34        2.3012    1   1   0         6
                44.19         17.22        2.0494    1   1   3        12
                47.57         20.74        1.9115    2   0   2         6
                53.37         10.22        1.7166    0   2   4         6
                57.23         23.35        1.6098    1   1   6        12
                59.41         13.75        1.5556    0   1   8         6
                61.98          1.90        1.4972    2   1   1        12
                63.24         12.28        1.4704    1   2   2        12
                68.15          8.97        1.3760    2   1   4        12
                70.94          9.09        1.3286    3   0   0         6
                73.48          3.05        1.2888    2   0   8         6
                74.06          1.55        1.2801    1   0  10         6
                75.61          1.32        1.2577    1   1   9        12
                86.38          1.85        1.1264    0   0  12         2
                86.57          3.76        1.1244    1   2   8        12
                87.12          1.87        1.1187    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.