Various Mines Awasedo Japanese Natural Sharpening Stone 1lb.3oz

Various Mines Awasedo Japanese Natural Fine Grit Sharpening Stone 1lb.3oz.(538g), 97mmX70mmX30-32mm They might be Shobu or some other natural fine grit stones that are derived from Kyoto, because it came from a company that used to mine Shobu and some other quarries. Hardness-------------8.6 It raises great amount of black slurry quickly. It is not too soft and not too hard. It is ideal hardness. It looks that 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----------8.8 It makes my blue II steel Hon kasumi blade knife Hagane became from semi-mirror finish, and Jigae became bright 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 mi