The official birthstone of August, Peridot is said to possess healing properties that protect against nightmares, ensuring peace and happiness. Peridot is also said to posses the ancient healing power of strengthening relationships! Peridot jewelry shines a pretty & eye-catching olive green hue that looks brilliant any time of day. Where its found? The U.S., specifically in New Mexico and Arizona! Found in lava, meteorites & deep in the earth’s mantle! In 2005, Peridot was found in comet dust brought back from a robotic space probe. Shop peridot rings, earrings, necklaces, and more below.