Rhodocrosite Merlini M, Hanfland M, Gemmi M American Mineralogist 100 (2015) 2625-2629 The MnCO3-II high-pressure polymorph of rhodocrosite Note: Sample run2-p18 Note: P = 14.82 GPa Locality: Sardegna, Italy _database_code_amcsd 0020375 4.6826 4.6826 14.613 90 90 120 R-3c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mn1 0 0 0 .96 .0114 .0096 .0096 .0149 .0048 0 0 Ca1 0 0 0 .04 .0114 .0096 .0096 .0149 .0048 0 0 C1 0 0 .25 .0105 O1 .2708 0 .25 .0129 .0081 .010 .021 .0052 -.0009 -.0018