I like Cleaned Coins and you should to thread

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I have no idea what they have been saying since they wrongfully hypothisised that silver toning was only a few atoms deep. Furthermore, Aluminum Anodiztion, which has nothing to do with coins, is an artificial process applied to aluminum, mostly aircraft grade aluminum, through electrical induction in order to make a hard uniform corrosive free coating.

For me, cleaning is mostly a problem of proof coins being touched. I'm not going to dip my bust half.

 

Before you get the wrong idea, I do enjoy sparing with you. You are a really knowledgeable guy and I just enjoy tweeking you from time to time. I think the article I appended to a post points out correctly that if the film formed on a coin, which we call toning, exceeds the wavelength of the longest wavelength of light, we call it tarnish since it is no longer translucent. This just happens to be perhaps a thousand atoms of silver (if you call this a few atoms). Did you read the article, it really was interesting and really made sense. Also, anodizing is a commercial process that increases the thickness of the naturally oxidized surface of aluminum surfaces. Since anodizing involves oxidation of the aluuminum surface, it is now much of a stretch to say that ALL of my aluminum coins are anodized. You do raise a very interesting point in that I now wonder if there are any currency aluminum coins that are commercially annodized. Think I will search for that. Fun discussing things with you.

 

That would be a a good point, and even better for rainbow toning. I still think that has flaws though. Aside from that kind of toning, there is the slightly darker grey tone that forms on the base. Truthfully, it is luster I can not understand. Doug often says he can see breaks in luster in photographs. I can't see a darn thing unless the coin is completely washed out and dull.

 

I never said that aluminum coins were anodized. They might get oxidized and pit. Again, my training was as a chemist, not a metallurgist (or a meteorologist or an amateur or professional meteor scientist).

Now I think this might be an Aluminum coin, I think. Should I dip it in pure acetone?

 

and I don't even know what this is made from but it sure looks tarnished to me and ready for a dip.

 

Ruben I hate to change the subject but what does that Chinese writing on that coin say?

 

I can't read it woithout a dip.

 

If you did dip it, it might look like this: http://www.cointalk.com/t196703/

 

Nice Brown color! Don't dip it! You don't even know how to dip it!

 

Uh oooh

He's on to you

 

When I get a bag of wheats, and they have loose dirt on them, I admit to gently wiping with a soft cotton cloth. it doesn't seem to damage the surface, i think they are improved, some might disagree.

 

Just toss them into the dish washer.

 

You have to put them in a cage of some kind or they will destroy the dish washer.

 

A coin cage?

 

I think I saw a mesh bag at a store, is that what it is used for?

 

cheese cloth

 

But when I tried that my coins came out looking like this!

 

ugg

 

That is a Disney copyright infringement.