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<p>[QUOTE=&quot;Scuba4fun777, post: 3062059, member: 75199&quot;]The rubber band actually has more to do with it than you may think. Powdered, elemental sulfur is used in the vulcanization (curing) process to make rubber bands ‘rubbery’. As the sulfur reacts with the other elements around it (both in the air &amp; rubber), it creates the gasses that react with the silver that cause it to tone/corrode/oxidize (use whichever adjective you prefer, based on the point you’re trying to make; all 3 are accurate). </p><p>Now, that’s not to say that a piece of twine, tape, glue or any other material used to keep them in close proximity to each other won’t have any sulfur in it. Some very well may. </p><p>I think we’re all looking forward to the results of your experiments!</p><p>You might want to use a rubber band with one set of coins a control, to compare the degree of toning to the others. </p><p>Please keep us posted.[/QUOTE]</p><p><br /></p>

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