Clear quartz crystal is the universal stone. If you are going to have one stone, this is the one to have! It is a pure and powerful energy source. It receives, activates, stores, transmits, and amplifies energy. Stimulates brain functions and activates all levels of consciousness. Excellent for meditation. Brings harmony to the soul. It corresponds to all zodiac signs. Opens all chakras, activates Crown Chakra and balances & heals emotional wounds at the Heart Chakra. The polished stones are approx. ¾”. Clear and reenergize your crystals by bathing them in clear water or moonlight, or storing them with tumbled citrine. Keep one in your pocket or ‘medicine bag’.