Black Agate Runes Set 25 engraved gemstone in a rune stone set. Includes a handy carrying velvet pouch. An excellent aid for empaths, Black Agate is very grounding and protective. This stone is calming during periods of grief and bereavement. It is known for releasing self-limiting beliefs and gifts good fortune, success, strength and courage. It is a great aid in dream interpretation. Black Agate is used for healing the eyes, especially glaucoma.