Prisms of light sterling silver Rainbow moonstone, Peridot, Amethyst Bracelet This prisms of light bracelet has peridot, amethyst, and rainbow moonstone. Amethyst circles and oval shaped peridots are linked together by sterling silver rings on each side leading to a large round rainbow moonstone in the center. The peridot, amethyst, and rainbow moonstone are set in sterling silver. Has a sterling silver lobster claw clasp. This prisms of light bracelet is 8" long. The peridot ovals are 1/4" wide and the round rainbow moonstone is 1/2" diameter. Peridot is a green and yellow-green colored gem. Peridot is a birthstone of the month of August and the zodiac sign of Libra. Peridot is believed to bring success, good luck, and wealth. Amethyst is a quartz crystal in shades of purple. Amethyst is a birthstone of the month of February and the zodiac sign of Pisces. Amethyst is said to guard against drunkenness and to instill a sober mind. Moonstone is a feldspar gemstone with a blue or white sheen. Moonstone is a birthstone for month of June and the zodiac sign of Cancer. Moonstone is said to bring good dreams to the wearer and has healing powers.