Garnet is not a single mineral, but describes a group of several closely related minerals. Garnets species are found in many colors including red, orange, yellow, green, blue, purple, brown, black, pink and colorless. The rarest of these varieties is the blue garnet.But when the term "Garnet" is used; it is usually connotative of the dark red form.
Garnet has many different varieties and the common ones are: Pyrope, almandine, spessartine, grossular, uvarovite and andradite.Andradite is the most lustrous of the Garnets. Almandine and Pyrope are the most widely used Garnet gemstones.
Formerly people believed that Garnet's have special powers including healing powers, and the protection to its wearers. It is also believed to regulate the heart and blood flow and aid in curing depression.
Garnet is found in Russia , Turkey and in parts of the United States . The hardness of Garnet according to the Mohs scale is: 6.5-7.5.