This arrangement of mineral species is based on Dana's New Mineralogy by Richard V. Gaines, H. Catherine Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig, with sections by Vandall T. King, Illustrations by Eric Dowty, (ISBN: 047119310-0) Copyright © 1997, John Wiley & Sons, Inc.". This material is used by permission of John Wiley & Sons, Inc. Follow this link for a short discussion on the Dana Classification Number.
14.01.01 Calcite Group (Trigonal: R-3c) 14.01.01.01 Calcite CaCO3 R 3c 3 2/m 14.01.01.02 Magnesite MgCO3 R 3c 3 2/m 14.01.01.03 Siderite Fe++CO3 R 3c 3 2/m 14.01.01.04 Rhodochrosite MnCO3 R 3c 3 2/m 14.01.01.05 Sphaerocobaltite CoCO3 R 3c 3 2/m 14.01.01.06 Smithsonite ZnCO3 R 3c 3 2/m 14.01.01.07 Otavite CdCO3 R 3c 3 2/m 14.01.01.08 Gaspeite (Ni,Mg,Fe++)CO3 R 3c 3 2/m