This stone is just barely self slurrying, it makes a fine kasumi becoming brighter with a dry burnishing mud. Even though it is a fine stone it is easy to use.
Weight: 1236 grams
Hardness/Fineness: 3.5 / 4 (semi-mirror polish)
A ‘Higashi-mono’ (Eastern Mine Stone), Shoubudani is well known for producing a wide range of stones with different hardness and fineness. The Shoubudani mine produces some of the higher quality natural whetstones that are akin to Nakayama mine stones in their beautiful finish.