PERIDOT GemShoppy November 7, 2014 Gemstones Peridot is a symbol of fame, dignity, and protection. Stone’s names: Peridot, Chrysolite (golden yellow peridot). Colour: Peridot is a stone with a sparkling pale green colour. It occurs in lime, yellowish green, olive green or medium dark green hues. Description: [Mg,Fe] 2SiO4 Magnesium iron silicate. The information for mineralogist: Peridot has a hardness of 6.5 to 7. Peridot, also called precious olivine, is a gem-quality transparent green olivine. The crystals of peridot have a vitreous lustre and conchoidal fracture. Gem-quality olivine is a mineral that composes a lot of the earth’s mantel, the layer below the crust. It is also common in basalts on the moon. The name’s origin: Chrysolite means “golden stone” in Greek. Peridot along with sardonyx are birthstones of Leo (Lion): July. 23 – Aug. 22. Peridot is the anniversary gemstone for the 16th year of marriage. Chrysolite is a golden yellow variety of peridot. As with all gems, protect peridot from scratches & sharp blows. Also avoid drastic temperature changes. Do not clean peridot in a home ultrasonic cleaner. Peridot has been adored since ancient times & has been valued for centuries. People in the Middle Ages wore peridot to gain foresight and divine inspiration. Legend has it that pirates favoured peridot to protect them against evil. Peridot was greatly prized by Egyptian Kings. Some of Cleopatra’s emeralds were in fact peridots. The deposit on Saint Johns Island in the Red Sea, that was mentioned by Pliny in his Natural History (AD 70), still produces fine gems.