Thread: Two beautiful jnats

Originally Posted by mainaman

They are Oohiras

Yes, they are from East Oohira. I've honed 10 razors already and like the stones more and more. From one side they are soft and flexible (hardness 4 out of five), from the other side they cut very well, even without slurry. Looks like these stones are wonderful pre-finishers. It is not correct to measure jnats in grits, but from my point of view with different naguras the stones can cover honing portion from 6K to 12K.

Originally Posted by Zelenbakh

Yes, they are from East Oohira. I've honed 10 razors already and like the stones more and more. From one side they are soft and flexible (hardness 4 out of five), from the other side they cut very well, even without slurry. Looks like these stones are wonderful pre-finishers. It is not correct to measure jnats in grits, but from my point of view with different naguras the stones can cover honing portion from 6K to 12K.

yes I did not expect them to be finishers, but it is very good that you like them for what they can accomplish.
Have you tested how they work right after 1k level?

No, I have another stone, covering 3K-5K grits portion. But I like the idea, I will try.

I have had a few Ohira stones that had the heavy renge content, so much so that the slurry looks rouge color, these stones are probably like that also. The lines in the stone are not distinctly Ohira because other stones have those line too, they are the result of a fracture in the stone later filled with a water born intrusion of dissolved foreign minerals as seepage. alx

Originally Posted by mainaman

yes I did not expect them to be finishers, but it is very good that you like them for what they can accomplish.
Have you tested how they work right after 1k level?

Today I tested one of my stones. Used it straight after 1000 grit hone. It works, with four nagura stones it managed almost all honing process. What a pleasure to work with this stone!

I guess that you know that these are suita strata stones, no big deal here though. They should kick up a creamy slurry on their own or a diamond DMT card will make one too. If you use these stones for final polishing and you feel some gritty particles trapped in the stone you can just lap the stone lightly and the grit will most likely be rinsed away. The Ohira mine is known for their beautiful suita stones, but more so in the sword world for their uchigumori strata stone. alx

I use Uchigomori suita as a finisher.