Mikawa Shiro Nagura

Mikawa Natural Nagura

These small pieces of natural nagura were mined in the Aichi region. We find the medium fine grit works well with hard synthetic shiageto as well as a range of harder natural stones.

Size varies approx: 40mm x 25mm x 30mm

About Nagura Stones

The nagura is highly recommended for advanced sharpening technique when used in combination with a finishing stone (shiageto). Many finishing stones both synthetic and natural are hard by nature and it's difficult to build up a slurry from the get go.

The benefits of using natural nagura stones in combination with shiageto are as follows:

• Creates a lubricant making the sharpening process smoother, with less skipping and slipping.
• Eliminates glazing from steel becoming embedded into the stone surface.
• Reduces suction on the stone surface when sharpening kataba (single edged blades).
• The slurry formed from the nagura constantly exposes new sharpening grit from the host stone for more efficient sharpening.
• Creates a sharper longer lasting edge due to a more random tooth pattern formed by the differing grits of the host and nagura stones.