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Old 10-02-2016, 08:00 PM
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Default What type of olive oil?

Trying to clean up a large cent and have been soaking in olive oil. I think I read somewhere on here that a certain type of olive oil works best. Anyone happen to know what it is?
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Old 10-02-2016, 08:00 PM
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Extra Virgin always sounds good

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Old 10-03-2016, 07:27 PM
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Olive oil is for salads not coin cleaning

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Old 01-07-2017, 01:50 PM
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I have my first batch in a generic olive right now it has been about two weeks and the results are very impressive. They went from unreadable to being able to see dates

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Old 01-07-2017, 02:16 PM
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I just used whatever we had on the shelf...turned out great for me but this was using it on brass.
A couple of other suggestions in this thread too but different methods will have different degrees of success depending on the metal or alloy you are trying to clean.

http://metaldetectingforum.com/showthread.php?t=105382


Here is a load of info about coin cleaning.
Several different ways to clean coppers here also.

http://www.metaldetectingworld.com/c...ion_coin.shtml

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Old 01-07-2017, 05:49 PM
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Any vegetable oil (olive oil too) turns into polymer (stone) under ultraviolet. It takes long time prior it turns into hard brick but there is no way to escape this process. That's why it's not recommended housewives to lubricate locks with vegetable oil. What will happen if oil is left inside coin?

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Old 01-08-2017, 07:55 PM
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The answer is simple - NO olive oil. Use it as much as you like in cooking, but do not use it to clean coins. It'll just leave them greasy and, when it comes to copper, also darken them.

I used olive oil a lot in my early days but abandoned this mehod when I learned about other, better and more relic-friendly methods.

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Old 01-14-2017, 09:09 AM
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Originally Posted by Aquila View post
The answer is simple - NO olive oil. Use it as much as you like in cooking, but do not use it to clean coins. It'll just leave them greasy and, when it comes to copper, also darken them.

I used olive oil a lot in my early days but abandoned this mehod when I learned about other, better and more relic-friendly methods.
Agreed. It darkens the coppers so much that most of the detail disappears.

I've heard that mineral oil is a better choice. Olive oil is organic and acidic.

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