Are you looking for Ametyst With Arrowhead Bracelets? Amethyst is a violet variety of quartz. The ancient Greeks wore amethyst and carved drinking vessels from it in the belief that it would prevent intoxication. Amethyst is a semiprecious stone often used in jewelry and is the traditional birthstone for February. Place an order for Ametyst With Arrowhead Bracelets today at Natural Agate.