Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone
Unknown Awasedo 1139g Japanese Natural Sharpening Stone

Unknown Awasedo 1139g Japanese Natural Sharpening Stone

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 Unkonwn Mine Awasedo 1139g (2lb. 8.1oz.) Japanese Natural Sharpening Stone

213mmX80mmX25mm

 

It is used an old Japanese natural fine grit sharpening stone.

It looks a nice shape stone.

 

 

Hardness-------------8.7

It raises very good amount of black slurry.

It looks it does not need tomo nagura or the device to raise 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----------8.7

It makes my blue II steel kasumi blade knife Jigane became light silver color finish, and Hagane became semi-mirror finish.

It is not too hard and not too soft stone. 

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

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.