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Thanks for the explanations. I'll have to try some. I still don't understand how limestone actually rots, but I'll go ahead and look for it anyway.

Use of the rottenstone on the Chinese hone...

Jerry, what the heck is a rotten stone???

FYI, since you wanted honemeister opinions, Howard and Lynn made comments about the Chinese hone in another thread.

Now the only time I use my DMT8C is for final lapping after the DMT8XX for the few hones that seem to need it. Honestly most hones come out perfectly smooth after the 120 grit DMT8XX.

The only...

:roflmao

That perfectly sums up the quandary of the quarry of the Guangxi!

The Chinese hone was the reason I broke down and bought a DMT8XX, 120 grit, after spending about 30 hours :eek: lapping mine with a fairly new DMT8C, 325 grit. Aside from taking way too long, the...

I've compared honing with and without pre-soaking. I haven't found it to make any difference. Unlike waterstones, which need to be soaked in order to keep the hone surface wet, the Chinese hone...

I only use mine sporadically, primarily because I have so many other great polishing hones and secondarily because of the fact that it takes so many strokes. Now, the number of strokes can be...