Rhodocrosite Merlini M, Hanfland M, Gemmi M American Mineralogist 100 (2015) 2625-2629 The MnCO3-II high-pressure polymorph of rhodocrosite Note: Sample run2-p0 Note: P = .0001 GPa Locality: Sardegna, Italy _database_code_amcsd 0020357 4.7799 4.7799 15.694 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 .0148 .0118 .0118 .0207 .0059 0 0 Ca1 0 0 0 .04 .0148 .0118 .0118 .0207 .0059 0 0 C1 0 0 .25 .011 O1 .2684 0 .25 .016 .008 .009 .031 .0044 -.0016 -.003