23 mm high. It is this jewel that is connected to the crown chakra. In the area of ??the throat chakra, it helps eliminate speech defects, calms inflammation of the bronchi, supports the proper functioning of the thyroid gland. In the area of ??the crown chakra, it helps with meditation, it helps to open the way to one's own soul. We clean the lapis lazuli under a stream of water and charge it rather in the moonlight.