Rhodocrosite Merlini M, Hanfland M, Gemmi M American Mineralogist 100 (2015) 2625-2629 The MnCO3-II high-pressure polymorph of rhodocrosite Note: Sample run2-p2 Note: P = .79 GPa Locality: Sardegna, Italy _database_code_amcsd 0020359 4.7753 4.7753 15.6360 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 .0115 .0093 .0093 .0159 .0046 0 0 Ca1 0 0 0 .04 .0115 .0093 .0093 .0159 .0046 0 0 C1 0 0 .25 .0102 O1 .2683 0 .25 .0120 .0084 .011 .017 .0056 .0002 .0004