46.9g, 4.7cm. It affects the forehead chakra and the third eye, strengthens memory. Placed on the 6th chakra removes prejudices. Cleans the skin. It helps with fractures, brittleness and softening of nails. Strengthens tooth enamel, removes tooth decay. It affects the mind, mental development, growth and development of human thinking. It helps in overcoming changes and problems, removes prejudices, outdated ideas, awakens intellectual abilities. There is a lot and there will be even more if you help. The stone is just a helper, the main one is man.