Stone Carving Chisel

Guidelines shown below are for the cutting edge angle.

Frequent sharpening is recommended to maintain the tool's shape, and is needed for safe performance of the tool.

In opposition to wood chisels, the wider the tool, the greater the angle.

General Guidelines
Material β Notes
Softer stone
(e.g., chalk, soapstone, & pumice)
25º - 35º
General stone
(e.g., limestone & marble)
30º - 40º
Harder Stone
(e.g., granite & basalt)
40º - 60º
Carbide inserts are usually embedded in the tips of these tools.

Notes & Comments
Information regarding Grindstones