Thread: JNAT & Nagura questions/identification - help!

Originally Posted by Nikolay

大平礦山合砥石 --- honing stone from Oohira mine

三十型 --- size ( type 30 = 205 x 75mm )

一本選 --- type of selection

Thanks Nicolay, much appreciated! Any thoughts on the stone/nagura & razor honing? Is it a decent stone?

Originally Posted by londoner

Any thoughts on the stone/nagura & razor honing? Is it a decent stone?

I can not decide on stone quality by photo.

You should try to use it.

My green Oohiras looking like your's are not very suitable for razor honing.
So I'd prefer to use hard Nakayama Maruka Asagi and Oozuku Karasu for razors.
But I think such a stones could be suitable for prefinishing when used with slurry raised by nagura.