Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p3
      Note: P = 1.62 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020360

      CELL PARAMETERS:    4.7714   4.7714  15.5780   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    307.138
      Density (g/cm3):      3.709
      MAX. ABS. INTENSITY / VOLUME**2:      41.75571408    
      RIR:      3.666
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.38         28.51        3.6503    0   1   2         6
                31.57        100.00        2.8341    1   0   4         6
                37.71         19.82        2.3857    1   1   0         6
                41.66         16.79        2.1678    1   1   3        12
                45.42         18.69        1.9970    2   0   2         6
                49.97          9.40        1.8251    0   2   4         6
                51.91         18.63        1.7615    0   1   8         6
                52.06         26.11        1.7567    1   1   6        12
                59.48          2.27        1.5540    2   1   1        12
                60.45         12.06        1.5313    1   2   2        12
                63.86          1.96        1.4577    1   0  10         6
                64.26          8.53        1.4496    2   1   4        12
                65.92          3.51        1.4171    2   0   8         6
                66.77          2.27        1.4010    1   1   9        12
                67.03          1.33        1.3962    1   2   5        12
                68.07          8.86        1.3774    3   0   0         6
                72.86          3.28        1.2982    0   0  12         2
                76.60          2.67        1.2439    0   2  10         6
                78.51          4.20        1.2183    1   2   8        12
                85.08          2.64        1.1403    1   1  12        12
                88.69          3.00        1.1029    2   1  10        12
                89.05          1.93        1.0994    1   3   4        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.