Thread: J-Nat evaluation by KC Crew

Originally Posted by JimR

Stefan, Tsushima hones are all "from the sea", whatever that means.

Not all Tsushima hones are from the sea.
There have been 2 mines in Tsushima.
They are called 山砥 (hone from mountain) and 海砥 (hone from sea).
The hone from mountain is harder and need no protection on the sides. The hone from the mountain is very rare now so many may think that all hones are from sea but it is not true.
I have a rare big hone from the mountains.

To back up what I am writing I put a link to a hone from the sea seller (It is in Japanese but I think you can use google or other translater)

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