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<p>[QUOTE=&quot;CopperGenie, post: 2889276, member: 88628&quot;]Hi guys, I just bought a few cheap ancients from a guy who had just got them out of the ground and was wondering how to get the dirt off them safely. I&#039;ve researched on half a dozen sites and forums and they&#039;re all saying different things. Some say use olive oil, mineral oil, distilled water, lemon juice, or a mixture of two.</p><p><br /></p><p>So since I have mineral oil and lemon juice at my disposal, I decided to mix a very small amount of lemon juice (~1/2 tsp) with maybe a half cup of mineral oil and stirred them together. This didn&#039;t create a homogeneous mixture and the lemon juice settled to the bottom, and had surrounded the coins after I left. After about 2 hours I came back and the lemon juice is around the coins and has turned green(!). I assume this isn&#039;t the dirt coming off, but the patina. I don&#039;t have any previous experience or knowledge with cleaning coins, so I wanted your guys&#039; opinion.</p><p><br /></p><p>Any ideas? </p><p>(Also, I know cleaning is generally bad for coins but these are caked in loose dirt and haven&#039;t been treated by the previous owner, so I feel like cleaning them properly would have a positive outcome.)[/QUOTE]</p><p><br /></p>

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