The product is a 125g rough slab of an unknown material that is 5/16" thick, specifically designed for lapidary cabbing. This slab is suitable for collectors or hobbyists interested in cutting and polishing stones for jewelry or decorative purposes. The thickness of the slab allows for easy and precise cutting, making it ideal for creating unique and beautifully crafted cabs for various projects. Some fractures as seen in pics.  Pics wet will combine shipping see my other auctions new material added daily #c-13