Ball 7mm. It supports spiritual visions of well-being, peacefulness, suppresses gloomy feelings, headaches due to sudden changes in pressure. It relieves depression, clears the voice and clarifies the words. It is used medicinally for the treatment of the mucous membrane of the nose and lungs, relieves cough and hoarseness, and asthmatic conditions. Eliminates eye problems. Charge through rock crystal out of direct sunlight.