Working with such a gorgeous and expensive stone naturally instills ... right methods and using suitable tools. In theory, ...

Blade cores provided a portable source of stone or obsidian for manufacturing different kinds of tools by flaking off pieces from the core. The basis of many Upper Paleolithic tool forms from both ...

Epoxy granite, or chips of granite bound together with epoxy resin, is a viable and very good base for CNC machines, mills, and other tools that are ... of aluminum he cut on his home made panel ...