Half Clear Quartz Half Amethyst these towers offer a mighty punch of protection transformation, freedom and forgiveness Clear Quartz also known as a "master healer" amplifies energy and the energy of other crystals. It absorbs, stores, releases and regulates energy. Clear Quartz draws off negative energy of all kinds. Clear quartz possesses three major properties: amplification, programmability, and magnification. Chakra: Soul Star Amethyst is known as the "Stone of St. Valentine" and it provides peace and tranquility, strength to relationships; enhances productivity and self-reflection, while preventing stress and communication mishaps. Chakra: Third Eye, Crown, Etheric Birthstone: Aquarius Zodiac: Virgo, Sagittarius, Capricorn, Aquarius, Pisces Planets: Neptune, Saturn, Jupiter approx. size: 3 - 3.5"