Is this a waterstone or oilstone?

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Forum topic by BigJohn posted 06-26-2015 06:58 PM 1012 views 0 times favorited 8 replies Add to Favorites Watch
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06-26-2015 06:58 PM

8 replies so far

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#1 posted 06-26-2015 08:00 PM

from the look of it, I would say water stone

-- Bert

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Bill White

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#2 posted 06-26-2015 08:27 PM

I’m with Bert.


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#3 posted 06-26-2015 08:51 PM

I flattened it and it looked like a powder residue left on the sandpaper so I think so too. Was hoping for an oil stone. I thought Norton started making waterstones just within the last few years.

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#4 posted 06-27-2015 02:04 AM

I suspect that it is an oilstone and I have 52% confidence in my answer. I suspect that it is oil because of the recent history of Norton and their waterstones. But even if I knew it was a oilstone I wouldn’t hesitate to use water on it. With sharpening stones the purpose of any fluid is to float off the metal and stone particles to avoid clogging and glazing the stone. If it is an oilstone the water will work. Just not as well as oil. And if it is an oilstone and you add water to it I suspect that the embedded oil in the stone will produce a film on the surface of the water. The film will tell you that it has been used as an oilstone before in its life. Then if you want to switch back to using with oil all you have to do is totally dry out the stone. Of course this is a one way experiment. I don’t believe that you could add oil to a waterstone and then expect it to ever function properly again.

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#5 posted 06-27-2015 09:54 AM

If its that old its an oil stone.

Years ago when working in an abbatoir, I noticed the meat inspector sharpening his knives using an oilstone with soap and water. Works great and I’ve been doing it since for my pocket knife. Just remember once you put oil on it the first time that’s it your stuck with using oil.

-- Everything is a prototype thats why its one of a kind!!

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#6 posted 06-27-2015 02:06 PM

I disagree with rwe2156 in post #5. I have oilstones that I use with water all of time and some I use with water some of the time. Water, soapy water, spit and I’ve even known an old Korean War Veteran that had his soldiers use urine to sharpen their bayonets on the line.
The problem is using oil on waterstones. The oil may break down the matrix holding the waterstone’s grit together. I have heard of waterstones breaking down to loose grit/sand after soaking in antifreeze. Just not worth the risk.
Right this minute I have an oilstone drying outside in the Arizona sun after using soapywater with it. I have never hesitated using this stone with whatever fluid was most available.

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#7 posted 06-27-2015 02:50 PM

Wow – If the bayonet didn’t kill the enemy the sepsis would.

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#8 posted 06-27-2015 08:42 PM

Wow – If the bayonet didn t kill the enemy the sepsis would.

- dhazelton

Not necessarily….Urine is nothing more than de-proteinized blood plasma, if there is no infection urine is very clean. That’s not to say I would use it on my stones but…..I expect it would not be the worst thing to use.

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