Rhodochrosite Effenberger H, Mereiter K, Zemann J Zeitschrift fur Kristallographie 156 (1981) 233-243 Crystal structure refinements of magnesite, calcite, rhodochrosite, siderite, smithsonite, and dolomite, with discussion of some aspects of the stereochemistry of calcite type carbonates Locality: Alicante, Spain _database_code_amcsd 0020834 4.7682 4.7682 15.6354 90 90 120 R-3c atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mn 0 0 0 .93 .00662 .00662 .00624 .00331 0 0 Mg 0 0 0 .01 .00662 .00662 .00624 .00331 0 0 Fe 0 0 0 .06 .00662 .00662 .00624 .00331 0 0 C 0 0 .25 .00632 .00632 .00572 .00316 0 0 O .26986 0 .25 .00634 .00979 .01024 .00485 -.00108 -.00216