Peridot is a gemstone that is a transparent, olive-green variety of the mineral olivine. The intensity and tint of the green color depends on the amount of iron that is contained in the structure of the stone. Peridot gemstone is known for its striking green color and its brilliant luster, and is often used in jewelry such as rings, necklaces, and bracelets. It is also the birthstone for the month of August.
