andradite is a species of the garnet group. it is a nesosilicate, with formula ca3fe2si3o12.

aggregate andradite asia background black brown closeup cluster collection crystal crystalline crystals dark druse garnet gem gemology gemstone geological geology hessonite hydrothermal isolated jewelry macro material matrix mine mineral mineralogy mining natural nature object ore pegmatite piece red rock sample silica silicate small specimen stone surface texture transparent treasure white