This Grade A Kyanite Polished Stone is a deep shade of heavenly blue. It weighs 33 grams and is about 1.5 inches long, and about 3/4 of an inch wide. The light shines a perfect glow on this amazing one of a kind healing stone. It is perfect for any rock lovers collection. Kyanite is a metamorphic rock with a triclinic crystalline structure. It's chemical composition is Al2 SiO5 and is a stone for releasing and renewing your energy. Perfect for new beginnings, Kyanite is said to hold no negative energy and assists in manifesting new ways of thinking. A powerful chakra aligner, kyanite purifies the meridians and supports the throat chakra. Step into your truth with the cleansing and empowering energy of Kyanite...you are infinite and the possibilities are endless.