My newest coticule....

**Oldengaerde** · 03-12-2009, 01:11 AM

Lots of good ideas.

If they don't work, you can try what I do with very smutty stones: soak them overnight in a high-enzyme laundry detergent of the kind used for hand laundering. We (and the Belgians, the Danes and the Norse I think) have good old BioTex for that. You probably haven't, but I'm sure similar products exist over there too.

**nun2sharp** · 03-12-2009, 01:14 AM

Dawn dishwashing liquid.

**Bart** · 03-12-2009, 01:17 AM

I have no other advice to offer, other than what's already been mentioned.
If nothing works, you could also decide that you don't mind. Add a bit of detergent to your honing water and use the hone as is. Coticules can be used with any kind of fluid. I don't think it'll change one bit to the performance of your hone.

Good luck,
Bart.

**Sticky** · 03-12-2009, 01:17 AM

Maybe an overnight soak in isopropyl alcohol. Many oils will float on the top of rubbing alcohol. I remember Gramps using it to remove rancid oil from India stones. Agitate the hone every 2 hours or so and use enough alcohol for complete coverage. I have no idea if it would harm a coticule, use at your own risk.

Edit: put a cover over the container or the alcohol will rapidly evaporate.

**Bart** · 03-12-2009, 01:22 AM

Come to think of it.
If it's a vintage Coticule, glued to its back, there's a high chance that some of these methods will dissolve the glue, that was often based on beeswax. Be prepared that you might need to re-glue it, after a long soaking period in some of the chemicals that were suggested.

Heat can also affect the glue.

Bart.

**GadgetGeek** · 03-12-2009, 02:18 AM

I hope we are all smart enough here to realize the dangers of petroliums and heat. I belive that was the reason kerosene was recomended over something lighter like gasoline or naptha. I like the alcohol idea, perhaps mehtyl hydrate would work even better, as it is easier to get in more pure forms than isopropyl

**FloorPizza** · 03-12-2009, 02:18 AM

Thanks for that, Bart, it's definitely not a *natural* combo stone, but it is definitely a blue/yellow combo. The yellow layer is so thin that I'm really concerned about it maintaining it's structural integrity should the blue stone come off of it. I might have to just stick to not soaking it, or taking your suggestion and just living with the oil.

**Utopian** · 03-12-2009, 02:35 AM

Originally Posted by GadgetGeek

I hope we are all smart enough here to realize the dangers of petroliums and heat.

I completely agree and I hope so too. Unfortunately I have learned by experience that what I presumed to be common sense was not so common after all. For example, hot things will burn you, liquid nitrogen will freeze you, reaching into a bucket of broken glass will cut you, and if you consistently don't show up for work, I'll fire you.

**JimmyHAD** · 03-12-2009, 02:39 AM

Originally Posted by Utopian

I completely agree and I hope so too. Unfortunately I have learned by experience that what I presumed to be common sense was not so common after all.

When I was in the ironworker's union I have heard a fellow described as,"Couldn't pour pi$$ out of a boot if the instructions were on the heel."

**zib** · 03-12-2009, 03:23 AM

Pizza,

I worse comes to worse, and you have to re glue it, PM me, I have some stuff that's great...

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