100% natural "blue" slurry stone from the Belgian Ardennes. Due to special geological play of nature, this stone contains about 30% garnet.

With this stone you can easily create more 'slurry' (grinding paste) on your Coticule grindstone.

Size 40x40mm The Ardennes-Coticule grindstone is a non-porous grindstone that should only be used with a little water. The resulting grinding paste gives an unprecedented beautiful grinding result.