Unknown Mine Kiita apanese Natural Sharpening Stone 706g

Item: unknown-mine-kiita-apanese-natural-sharpening-stone-7706
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Price: $795.00
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About This Item

Unknown Mine Kiita Awasedo Fine Grit Japanese Natural Sharpening Stone 1lb. 9oz. (706g) 200mmX48-70mmX20-23mm

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#6000 to #10000 for medium range in the fine grit for high carbon blade

It is condensed heavy stone in that size, and nice kiita color with little bit nashiji spots. The stamp on the side face is hard to read, but it might be some part of KA stamp in there. It is hard to tell, but there is one picture. Please check it up the picture.

I do not know which mine it derived from originally, but if I guess it might be Nakayama Maruka, but I am not 100% sure. However, I can tell what it is typical very nice Nakayama Maruka after sharpened the stone. Or it might be quarry nearby east side of Atagoyama such as Okudo, Shobu,Umegahata, etc.

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

It raises very good amount of black color slurry immediately. It is hard stone, but it is smooth stone, so it might not 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 kasumi blade knife Hagane became mirror finish. Jigae became little frosted nice finish.

It should be finest class Japanese natural sharpening 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 the 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.