Mikawa Nagura 1288g one of the more aesthetic

one of the more aesthetic examples of this type of stone

This particular one is a very light cream colour all the way with minimal orange streaks and black dots

The manufacturer recommends against using oil

This particular one is harder than average

Mikawa Nagura 1288g one of the more aestheticMikawa Nagura are formed from lithified volcanic ash. Mined in Aichi prefecture starting 700 years ago, they have been used in traditional Japanese sword polishing progressions. The mine has been closed since the 1970s. We receive the stones from the wholesaler with rough chisel marks on both sides, and flatten them in our workshop. Although we have made a good effort to provide a flat surface for usage, we strongly recommend end users flatten the