Mastering the Art of Lapidary, Gemstone, Cabochon, & Slab Cutting: A Comprehensive Guide to Slab and Trim Sawing Techniques The process of transforming rough lapidary rocks & gemstones into beautiful, polished pieces is both an art and a science, requiring precision, patience, and the right tools. Diamond lapidary blades are essential for cutting and shaping lapidary materials, gemstones, and this guide is designed to provide detailed instructions on their proper use, catering to enthusiasts of all skill levels. From slab sawing to creating a preform, and from saw maintenance to helpful hints for handling small rough material, every step is crucial in the lapidary process.