October birthstone jewelry is usually made of opals though tourmaline is also commonly available. Both opal and tourmaline are the modern birthstones for October while the traditional birthstone is only tourmaline. Opal can be either whist or black with multicolor sparkles; Tourmaline is commonly pink or green though it can be other colors as well. Opal symbolizes beauty and happiness; Tourmaline is said to protect the wearer.
