2cm. 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. For these problems, placement with earrings and therefore in the head and neck area is ideal. Thorough cleansing with water, charge through rock crystal out of direct sunlight.