Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p10
      Note: P = 40.80 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020351

      CELL PARAMETERS:    4.5927   4.5927  13.3320   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    243.535
      Density (g/cm3):      4.678
      MAX. ABS. INTENSITY / VOLUME**2:      42.39113402    
      RIR:      2.951
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.09         38.65        3.4156    0   1   2         6
                35.13        100.00        2.5546    1   0   4         6
                39.23         24.57        2.2964    1   1   0         6
                44.41         17.28        2.0401    1   1   3        12
                47.72         20.22        1.9057    2   0   2         6
                53.67          9.82        1.7078    0   2   4         6
                57.73         21.57        1.5968    1   1   6        12
                60.21         12.48        1.5370    0   1   8         6
                62.14          1.78        1.4938    2   1   1        12
                63.43         11.23        1.4665    1   2   2        12
                68.47          8.22        1.3704    2   1   4        12
                71.11          8.39        1.3258    3   0   0         6
                74.25          2.67        1.2773    2   0   8         6
                75.16          1.28        1.2641    1   0  10         6
                76.53          1.15        1.2448    1   1   9        12
                87.36          3.17        1.1163    1   2   8        12
                87.88          1.52        1.1110    0   0  12         2
                88.24          1.49        1.1074    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.