7.5in. Clear Quartz is known as the "master healer" and will amplify energy and thought, as well as the effect of other crystals. It absorbs, stores, releases and regulates energy. Clear Quartz draws off negative energy of all kinds, neutralizing background radiation, including electromagnetic, smog, or petrochemical emanations. Cleanses and enhances the organs and subtle bodies and acts as a deep soul cleanser, connecting the physical dimension with the mind. Clear Quartz enhances psychic abilities. Stimulates the immune system and brings the body into balance. Clear Quartz (Crystal Quartz, Rock Crystal) will align all chakras.