Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p12
      Note: P = 8.33 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020369

      CELL PARAMETERS:    4.7177   4.7177  15.0430   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    289.952
      Density (g/cm3):      3.929
      MAX. ABS. INTENSITY / VOLUME**2:      42.74962658    
      RIR:      3.543
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.80         31.19        3.5902    0   1   2         6
                32.35        100.00        2.7670    1   0   4         6
                38.15         20.55        2.3589    1   1   0         6
                42.34         17.59        2.1345    1   1   3        12
                46.04         19.31        1.9714    2   0   2         6
                50.87          9.74        1.7951    0   2   4         6
                53.32         26.33        1.7180    1   1   6        12
                53.66         17.67        1.7081    0   1   8         6
                60.24          2.18        1.5362    2   1   1        12
                61.28         12.24        1.5127    1   2   2        12
                65.32          8.90        1.4285    2   1   4        12
                66.20          1.94        1.4117    1   0  10         6
                67.73          3.49        1.3835    2   0   8         6
                68.27          1.24        1.3738    1   2   5        12
                68.84          2.18        1.3638    1   1   9        12
                68.95          9.37        1.3619    3   0   0         6
                75.90          3.02        1.2536    0   0  12         2
                79.05          2.57        1.2113    0   2  10         6
                80.48          4.27        1.1934    1   2   8        12
                88.28          2.55        1.1070    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.