Slurry will develop but a nagura stone is recommended to aid in creating some slurry. This stone is great for knives, razors, and tools. These stones are mined in Kyoto Japan. Natural whetstones wear much slower then synthetic stones. This stone will last years if not tens of years.
Koppa means shard. Koppa stones are usually off size stones. This stone has beautiful black and orange spots that makes it a nashiji. It is a nice size, large enough for a knife as well as a razor.
Length - 4.4"
Width - 4.25"
Thickness - 1.3"
Hardness - 3 - 4
Grit - 8,000 - 12,000
Weight - 2 Lbs. 4.5 oz.
All of our Natural stones are bought directly from the only couple mines still available, they are all tested and certified authentic before being purchased.
Some stones have defects and inclusions. we cannot guarantee perfect shape and wearing. All sales are final on natural stones.