Peridot Is Gem Quality Variety Of The Mineral Olivine It Is Only Found In Only One Color Although The Shade Of Green May Vary From Light Yellowish To Dark Brownish Green Peridot Occurs With Excellent Transparency Peridot Is Sometime Reffered To As Chrysolite A Historical Name Which Refers To Several Green To Yellow Green Colored Gemstones Unheated Untreated Gemstone Are Top Quality Stone