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Yes; again, the stone-shaped object in question can be surfaced in manners that allow it to cut in many ways. Be they fast or slow, fine or coarse. Diamond plate lapping is not a good method to get...

Terminology aside, it is used to hone - therefore it can be called a hone, a (synthetic) stone or whatever one might choose to call it. The ability to cut comes from the hardness of the material....

I wouldn't say that at all, personally. My UF wasn't all that flat and I lapped it with no ill results. As with any very hard stone, surface condition/roughness plays a large role in both cutting...