Black Hard Arkansas (Ex Fine) vs green dmt - razor edge fine hone

http://www.handamerican.com/

I bought one of the two-edged leather hones from the above site a year or so, and rarely ever use a hard arkansas stone since.

I still use medium and fine grit ceramic stones occasionally, but for day-to-day edge maintenance I really like the leather hones.

I keep 800-grit powder on one surface and 10000-grit green on the other. The 800-grit is fine for edge maintenance, followed by the green chrome oxide for polishing.

Hope this helps!
 
Black hard Arkansas is the same grit size as u-fine DMT diamond :

http://www.ameritech.net/users/knives/grits.htm

However diamond and ceramic abrasives don't break down in use and thus they leave a much more coarse finish than a stone that generates a slurry. You will get a finer finish with the hard Black Arkansas. However I would suggest that you look at a Japanese Waterstone. They will cut faster and only require water as a lubricant. They will needed to be flattened often, but you should do this will all hones that break down. For the ultimate polish, finish with CrO on pressed leather.

-Cliff
 
Pahl,
It’s impossible to compare reliably the natural or ceramic whetstone with diamond one even if manufacturers claim the same grit. Diamonds cut the metal in basically another way because of their nature – sharper cutting edges of abrasive particles.

^-^-^-^-^ diamond
~~~~~~~ ceramic or natural stone

This comparison by Diethelm T. Utzinger (ZUT&ZUT here) displays the difference the best and the shortest way possible.

So the practical advice: if you want to get maximally smooth finishing and to save maximally your time and effort – finish on DMT green (u-fine) stone and then touch up on black arkansas.
 
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