Prized by the Egyptians as the gem of the sun, peridot has been credited with a host of healing properties and magical powers. Peridot was believed to protect against nightmares and the evil eye. Other legends credit the gem with bringing happiness, aiding in friendships, and attracting lovers. Augusts birthstone, peridot also is the suggested gift for the 16th wedding anniversary. The gem form of the mineral olivine, peridot ranges in color from a yellowish green to a deep olive green, and boasts good durability at 6.5 - 7 on the Mohs scale.Much of todays peridot comes from Arizona. Other areas include Pakistan, China, Brazil, and Tanzania.