Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g
Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g
Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g
Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g

Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g

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Ohira Kiita Awasedo Japanese Natural Sharpening Stone 1020g (2lb. 4oz.)

155-180mmX90-102mmX24-26mm, around #4000 grit; Fine finish for high carbon cooking knife or Japanese plane and chisel

 

Hardness------- 8.2

It produces good enough amount of black slurry quickly.

(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------ 8.0

(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)

It makes my blue II steel blade knife Jigane to light dull gray silver color with fine whetstone marks, and Hagane to frosted silver color.

It is from direct from Ohira mine where has been mining five generations of Ohira whetstones. Ohira mine produces Awasedo (fine finishing whetstone), Suita, and Uchigumori. Ohira is very famous whetstone as Japanese sword sharpening hone as Uhigumori. 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 (it also shows Damascus pattern vividly), and Hagane as suitable Hagane color. It is natural mystics.