Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p16
      Note: P = 11.90 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020373

      CELL PARAMETERS:    4.6955   4.6955  14.7918   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    282.433
      Density (g/cm3):      4.033
      MAX. ABS. INTENSITY / VOLUME**2:      43.54445084    
      RIR:      3.515
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.99         31.57        3.5633    0   1   2         6
                32.73        100.00        2.7359    1   0   4         6
                38.34         21.00        2.3477    1   1   0         6
                42.65         17.66        2.1197    1   1   3        12
                46.31         19.58        1.9605    2   0   2         6
                51.28          9.81        1.7817    0   2   4         6
                53.93         26.06        1.7001    1   1   6        12
                54.52         17.24        1.6832    0   1   8         6
                60.57          2.21        1.5287    2   1   1        12
                61.63         12.38        1.5048    1   2   2        12
                65.80          8.97        1.4193    2   1   4        12
                67.36          1.87        1.3901    1   0  10         6
                68.61          3.46        1.3679    2   0   8         6
                68.84          1.24        1.3639    1   2   5        12
                69.33          9.49        1.3555    3   0   0         6
                69.86          2.11        1.3464    1   1   9        12
                77.43          2.90        1.2326    0   0  12         2
                80.26          2.51        1.1961    0   2  10         6
                81.42          4.26        1.1819    1   2   8        12
                89.88          2.53        1.0914    1   1  12        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.