Kutnohorite Peacor D R, Essene E J, Gaines A M American Mineralogist 72 (1987) 319-328 Petrologic and crystal-chemical implications of cation order-disorder in kutnahorite (CaMn(CO3)2) Sample: Sterling Hill kutnahorite _database_code_amcsd 0001070 4.894 4.894 16.50 90 90 120 R-3 atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) CaA 0 0 0 .84 .0120 .0120 .0011 .0060 0 0 MnA 0 0 0 .16 .0120 .0120 .0011 .0060 0 0 CaB 0 0 .5 .27 .0108 .0108 .0011 .0054 0 0 MnB 0 0 .5 .73 .0108 .0108 .0011 .0054 0 0 C 0 0 .2461 .0124 .0124 .0013 .0062 0 0 O .2568 .9850 .2472 .0122 .0244 .0017 .0111 -.0004 -.0007