This unique decorator specimen of natural denim blue kyanite has deep blue blade-like kyanite crystals exposed in a matrix of translucent to semi-transparent quartz crystal with possibly a small amount of muscovite and staurolite. Kyanite is an aluminum silicate and it belongs to the triclinic crystal system. kyanite has two different harnesses. Long wise on the crystal has a hardness of 4-5 across the crystal is 6-7. Kyanite is usually found in a light blue color but can also be found in other colors such as white, colorless, gray, green, and nearly black. Kyanite has a shimmering translucent look. This large specimen weights a whopping 15 pounds and is approx. 12" L x 5.5" W

Has a stand, no damage seen.