Japanese Natural whetstone

09/07/2026

Natuya Natural whetstone

09/07/2026

Natsuya Whetstone is a natural whetstone that was once quarried in Rikuzentakata. The quarry has since closed, making these stones extremely rare and highly sought after by collectors and sharpening enthusiasts.

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05/06/2026

shouhonyama
JPY18000+shipping cost

02/06/2026

夏屋砥石　natuya

#天然砥石 #包丁 #包丁研ぎ

30/04/2026

I’ve listed this on auction. If you’re interested, feel free to place a bid.

28/04/2026

24/04/2026

#包丁

21/04/2026

Shobudani Suita whetstone.

17/04/2026

There are many different types of slurry.
You can identify them by their cutting power, hardness, and other characteristics.

16/04/2026

This is a goma-asagi from Yaginoshima.
It is a finishing natural whetstone with a relatively hard feel—though not extremely hard, just the right balance.

It is highly recommended as a finishing stone for kitchen knives and woodworking tools.