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Shohonyama Suita・Natural Finishing Stone・Awasedo・Kyoto, Japan #107
Shohonyama Suita・Natural Finishing Stone・Awasedo・Kyoto, Japan #107
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Suita, stamped 正本山合砥・shōhonyama awasedo — genuine Kyoto natural stone — under the Kyoto natural-stone cartouche.
The face is blue-grey, laced across its full width with dense orange and ochre iron staining and crossed by a diagonal band in the lower third. Suita is the layer valued for the way its structure carries slurry and lets the blade run.
4,5 of 5 on our hardness scale, roughly 8000 grit. Hard for a suita: it stays crisp under pressure and finishes bright rather than soft.
A bench-size stone at 22 cm, comfortable for kamisori, straight razors and carbon steel knives.
You will receive the exact stone shown.
Full Description
Full Description
This suita comes from the Kyoto beds and is stamped 正本山合砥・shōhonyama awasedo, the mark that certifies genuine Kyoto natural stone, under the Kyoto natural-stone cartouche. The face is blue-grey, laced across its full width with dense orange and ochre iron staining and crossed by a diagonal band in the lower third. Suita is the layer valued for the way its structure carries slurry and lets the blade run, and this one is hard for its type: at 4,5 of 5 on our hardness scale with an estimated grit of 8000 it stays crisp under pressure and finishes bright rather than soft. At 22 cm it is a comfortable bench stone for kamisori, straight razors and carbon steel kitchen knives. You will receive the exact stone shown.
Materials
Materials
Natural Whetstone - Shohonyama Suita
Measurements
Measurements
Length: 22,0 cm
Width: 8,0 cm
Height: 2,4 cm
Weight: 1049 g
Hardness: ● ● ● ● ◐ (4,5/5) hard
Care Guide
Care Guide
To preserve the character, performance, and longevity of your natural Japanese whetstone, please follow these care guidelines:
1. Keep the Stone Flat
Natural stones wear more slowly than synthetic stones, but regular flattening is still essential for controlled sharpening. Use a diamond lapping plate or a suitable flattening stone to maintain a flat, even surface. Avoid aggressive lapping unless necessary.
2. Use Water Only
Natural Japanese whetstones are designed to be used with water. Lightly wet the surface before use. Some stones benefit from a brief pre-wetting, while others should not be soaked for extended periods. Do not use oil or chemical additives.
3. Slurry Management
Depending on the stone, slurry may develop naturally during use. This is part of the sharpening process and should be managed gently. Avoid excessive pressure or artificial slurry generation unless intentionally desired.
4. Clean After Use
After sharpening, rinse the stone thoroughly with clean water to remove metal particles and residue. Use a soft brush if needed. Do not use soap, detergents, or abrasive cleaners.
5. Dry Slowly and Naturally
Allow the stone to air dry completely in a shaded, well-ventilated area. Avoid direct sunlight, heaters, or rapid temperature changes, as natural stones can crack if dried too quickly.
6. Store with Care
Store the stone in a dry, stable environment. Avoid damp locations and protect the stone from impacts or sudden temperature changes. If stored long-term, ensure the stone is fully dry before placing it in a box or wrapping.
7. Inspect Before Use
Before each use, rinse the surface and ensure it is free from dust, grit, or foreign particles. Any contamination may cause scratches on the blade and compromise sharpening results.
By following these guidelines, your natural whetstone will retain its unique sharpening characteristics and provide consistent, controlled results over time.
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