Crystals supposedly do this by positively interacting with your body's energy field, or chakra. While some crystals are said to alleviate stress, others purportedly improve concentration or creativity. Again, as long as your crystals are not sensitive to either light or water, you can submerge the crystal in a bowl of sea salt and water and then place it in bright sunlight. The sun will further energize the cleansing water itself, and as the stone becomes cleansed, the sunlight will begin charging the stone. Chakra, also spelled Cakra, Sanskrit C?akra, (“wheel”), any of a number of psychic-energy centres of the body, prominent in the occult physiological practices of certain forms of Hinduism and Tantric Buddhism. Each of the 7 stones correspond to a different chakra within the body. Chakras are specific energy points that control various issues within our lives. This set comes with jasper, citrine, tiger eye, aventurine, sodalite, amethyst, quartz, and a description of where and how these stones affect the body. Holding crystals or placing them on your body is thought to promote physical, emotional and spiritual healing.