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.
51.04.03a Garnet group (Pyralspite series) 51.04.03a.01 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m 51.04.03a.02 Almandine Fe++3Al2(SiO4)3 I a3d 4/m 3 2/m 51.04.03a.03 Spessartine Mn++3Al2(SiO4)3 I a3d 4/m 3 2/m 51.04.03a.04 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m 51.04.03a.05 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m 51.04.03a.06 Calderite (Mn++,Ca)3(Fe+++,Al)2(SiO4)3 I a3d 4/m 3 2/m