Rozsutec - natural sharpening stone from Slovakia (1 reply)

Sedimentary sandstone from the Slovakia Mala-Fatra Mountains.

Hard and dense stone around 6 to 8 000 grit.

Initial lapping with Silicon carbide abrasive grains in progression:

- 80 grit;
- 150 grit;
- 220 grit;
- 400 grit;