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. It balances and revitalizes the physical, mental, emotional and spiritual planes. Clear Quartz enhances psychic abilities. It aids concentration and unlocks memory. Stimulates the immune system and brings the body into balance. Clear Quartz harmonizes all the chakras and aligns the subtle bodies. It is considered the master of all healing crystals due to its ability to magnify or amplify healing vibrations of other crystals. Approximately 3.85" x 2.75"