Clear Quartz, the prime crystal with high vibrations and highly programable can be used to energize all the chakras, to strengthen the aura, and to amplify other crystals. It's a wonderful crystal for meditating and to raise the vibrations of a room. Chakra Association: CrownAstrological Association: LeoCountry of Origin: WorldwideStructure: Hexagonal Please note that due to the nature of the item you may receive extra bits, its not damaged, sometimes they have extra pieces when opened. Each pair of crystals is approximately 6619 grams (7-9" across) and every one is unique and varies in shape and size, and the sizing of the crystals are a close approximation. Sizes may vary Priced per geode pair How to Use Crystals Shipping & Returns If insufficient stock is available for your order, please contact us