Aquamarine is helpful to sore throats, swollen glands and thyroid problems. It regulates hormones and growth. Boosts the immune system and alleviates overreactions, such as hay fever or allergies. Counteracts short- or long-sightedness. Clarifies perception, sharpens the intellect and clears confusion. Useful for closure on all levels. Promotes self-expression. Soothes fears and increases sensitivity. Sharpens intuition and opens clairvoyance. Wonderful for meditation. Shields the aura and aligns the chakras.