Shop for Amethyst Insence Bottle online at low price. 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. Over the centuries and into the present day, people throughout the world have used incense for a variety reasons, including as a component of various religious practices. Incense can be burned during times of meditation, prayer, general reflection or to help cleanse and clear the air and make a space sacred.