Black agate ball : black agate brings the great spirit into ones life. Attracts good fortune. Increases concentration and clarity. Promotes good will. Aids in overcoming flaws, fears, and loneliness. Removes jinxes, helps eliminate bad luck. Has a calming effect during times of stress. Gives a sense of strength and courage. Encourages fertility. Powerful healer. Especially beneficial for bone marrow and allergies.Black agate is used for protection, courage, success. It is worn for courage and success in competitions.Black agate with their hot energy helps reproduction system. Excellent stone during menopause, it's also helpful for breast tumor.Size-30 to 45mmdisclaimer - descriptions for products are taken from scripture, written and oral tradition. Products are not intended to diagnose, treat, cure, or prevent any disease or condition. We make no claim of supernatural effects.