Carnelian supports strength, vitality, sexuality, detoxing from alcohol or drugs. It increases one's courage and enthusiasm. It aids in overcoming hesitation, finding courage to grow spiritually. Carnelian is a powerful aid to those who wish to build their confidence, courage, passion and power. It is a stone for physical vitality and energy and can act spiritually to help one regain one's strength after illness or injury.
Source: "The Pocket Book of Stones" by Robert Simmons