Poison Ring Large Faceted Oval CarnelianFaceted oval carnelian on a large sterling silver poison ring and band. Size 6 From antiquity, carnelian has been worn in cameos in the belief that it would ward off insanity and depression. In contemporary times, carnelian is thought by some to enhance self esteem and creativity, to combat feelings of inadequacy, to increase physical energy and overcome insomnia. In the home, carnelian is believed to increase motivation towards action. It is