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kasumi is Japanese for mist. i think of it like a fog vs polished mirror like finish on bevel. usually created by slurry usually with jnats, to an extent with some other stones

I have a cktg ozuko koppa. I would guesstimate 15k plus, but it rock from the ground, and there will great variances. Also a lot depends on skill of honer.

If I was going to spend that much...