Garnets are precious stone consisting of deep red vitreous silicate minerals and are used for various commercial and industrial purposes. Garnet comes from Latin word, granatus which means grain. There are different forms of garnet with similar physical properties but different chemical composition. Garnet is available in many colors including pink, black, blue, brown, purple, green, yellow, orange, red and colorless. Almandine, spessartine, grossular, uvarovite, andradite and pyrope are six minerals which are regarded as belonging to the garnet family.