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