Used Unknown Kiita Awasedo Fine Grit Natural Sharpening Stone 739.6g

Item: used-unknown-kiita-awasedo-fine-grit-natural-sharpening-stone-77396
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About This Item

Used Unknown Kiita Awasedo Fine Grit Japanese Natural Sharpening Stone 1lb. 10.2oz. (739.6g)

160mmX55-82mmX26-29mm

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#6000 to #10000 for final sharpening razor blade or fine finish (finest grit) high carbon blade

It came from an old barber shop in Japan. It is used, but it is in excellent condition, and I do not know which mine it derived from, but it was for the razor fine grit sharpening hone for sure. I guess it might be Nakayama, or Narutaki, or Shobu , or one of the east side of the mine in Kyoto.

Hardness-------------8.6

It produces very good amount of black slurry. It is hard and condensed stone. It looks that it might need tomo nagura or the device to produce the slurry (worn Diamond lapping stone).

(Scale; 1 to 10, 1-3 is very soft muddy rough grit whetstone 3-6 is soft medium grit whetstone, 6-8 is hard medium grit whetstone; 8-10 is fine grit whetstone)

Particle Size----------9.0

It makes my blue II steel Hon kasumi blade knife Hagane became from semi-mirror finish to mirror finish. and Jigae became little frosted silver color finish.

(Scale; 1 to 10, 1-3 give deep scratch marks to the steel, 3-5 is delete the 1-3 scratches, 5-8 makes the steel cloudy, 8-10 makes the steel semi-mirror finish or mirror finish)

Probably #6000 to #10000 grit with the same as artificial whetstone. Natural whetstone has wider capacity than artificial whetstone, and actually, we do not know until sharpen blade on the hone for a while. Because artificial whetstone molecules do not break down to smaller sizes, but Natural whetstone molecules are possible to break down to smaller sizes, and those molecules are mixed with sharpened steel molecules, and make Jigane as suitable Jigane color, and Hagane as suitable Hagane color. It is natural mystics.