Jasper is superb for healing and sustaining the physical and emotional bodies during injury, prolonged illness or hospitalization. Its Earth energies bring gradual strength and renewed vitality, while helping one to understand and endure these frustrating or painful experiences. Quartz absorbs, stores, releases, and regulates energy, according to legend. It's also known to help with memory and concentration. Clear crystals are said to help activate the immune system and regulate the entire body on a physical level.