Common End-Member Garnet Species Species Chemical Formula Color Almandine Fe3Al2(SiO4)3 Red, brown-red, purple-red Pyrope Mg3Al2(SiO4)3 Red, purple Spessartine Mn3Al2(SiO4)3 Orange, red-orange, red-brown Grossular Ca3Al2(SiO4)3 White, orange, brown, green Andradite Ca3Fe2(SiO4)3 Yellow, green, brown, black Uvarovite Ca3Cr2(SiO4)3 Deep green                       Rare End-Member Garnet Species Calderite (Mn2+,Ca)3 (Fe3+Al)2(SiO4)3 Dark yellow to yellow-brown or reddish brown Goldmanite Ca3(V,Al,Fe3+)2(SiO4)3 Dark green to brownish green or grass green Hibschite Ca3,Al2(SiO4)3-x(OH)4x Colorless, white, gray, green, bluish green, pink Katoite Ca3 Al2(SiO4) 3-x(OH)4x Colorless or milky white Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe3+)3O12 Brown Knorringite Mg3Cr2(Si04)3 Blue-green to lilac, dark green when synthetic Majorite Mg3(Fe,Al,Si)2(SiO4)3 Purple-violet, colorless, or yellowish-brown Morimotite Ca3T1Fe2+Si3O12 Black Schorlornite Ca3Ti4+2(Fe3+2Si)O12 Black to very dark brown                           Some of these rare gamets are, so far, extremely rare: Majorite has only been found in meteorites, and several others have been found in just a very few locations