Thread: Hone ident help

Hello all,

I recently won a large lot of hones and have lapped only one so far and do not know what it is. If anyone here can help many thanks in advance. It's maybe 1.75 wide 8-9 long. It looks green with two red lines running through it. It was almost flat lapping took 30 min on dmt 325. On one end is swirls of red black and maybe tan. The slurry looked a little greenish maybe with pink in it. I loaded pics of it dry wet and with slurry.

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99% sure this is Charnley Forrest

It had a lot of oil on it is that how its used?

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I use all my Charnleys with oil, very light one it works much better for me then with water.
That one is definitely Charnley

Nice score D.....wow.

Thanks maxi, you should see the other 9 or so

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Just one more question I was looking the the stone without my glasses and in the dark swirls at the one end are little bright sparkles almost like tiny flecks of glitter. I didn't notice them as with my eyeglasses on my near vision isn't so great. Is this normal in some charnley's.

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Originally Posted by Dllandry

Just one more question I was looking the the stone without my glasses and in the dark swirls at the one end are little bright sparkles almost like tiny flecks of glitter. I didn't notice them as with my eyeglasses on my near vision isn't so great. Is this normal in some charnley's.

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It isn't present in all charnleys to a pronounced degree, unless you are talking about very tiny glittery particles, which are harmless. The ones with a lot of red in them, particularly red blotches/swirls with a darker core, are often prone to what has been called 'pinny inclusions' that are very hard and glass-like, larger than those tiny glittery specks. These can have an adverse effect on the blade, leaving scratches and a roughish edge. If they are doing this and are localised, they can sometimes be picked out with the tip of a knife - as long as they are below the surface of the hone they will do no damage.

Regards,
Neil

what type of oil do you recommend?

Originally Posted by maxim207

I use all my Charnleys with oil, very light one it works much better for me then with water.
That one is definitely Charnley

Originally Posted by Neil Miller

It isn't present in all charnleys to a pronounced degree, unless you are talking about very tiny glittery particles, which are harmless. The ones with a lot of red in them, particularly red blotches/swirls with a darker core, are often prone to what has been called 'pinny inclusions' that are very hard and glass-like, larger than those tiny glittery specks. These can have an adverse effect on the blade, leaving scratches and a roughish edge. If they are doing this and are localised, they can sometimes be picked out with the tip of a knife - as long as they are below the surface of the hone they will do no damage.

Regards,
Neil

Thanks Neil the spots in question came out with a little... Well a good bit of lapping. I think I ruined my dmt 325 on it had to finish lapping with grits.