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<p>[QUOTE=&quot;Mad.Outcast, post: 872793, member: 24625&quot;]I dont have any questions,but thank you for pointing this out.it is exactally what I stated.Chlorine from PVC created verdigris.</p><p><br /></p><p>we are talking about a indian cent,not an ancient coins</p><p><br /></p><p>U.S. coinage=mainly 80% of them stored in PVC at one time,as there wasnt much more to store it in</p><p><br /></p><p>PVC=creates verdigris you even stated it.chances are if your U.S. coin has it,it was prob stored in PVC at one time.if it is slimy &amp; dark,it was in PVC</p><p><br /></p><p>Other member stated if it was in a album,it could be produced from air &amp; salt,yes it can,but the color would be very light green.like on your water heater.dry because it is more salty &amp; acidic,and little chlorine present.</p><p><br /></p><p>depending on the color and texture of it,is how it is caused.</p><p><br /></p><p>there are countless shades of green from dark to light</p><p><br /></p><p>and there are countless textures from very slimy to acidic dry</p><p><br /></p><p>if anyone else decides they want to keep going round &amp; round,lets go.I dont need to PM anyone,I am highly educated,and can back up what I say,and have no problem saying it in public.if you want to get ultra technical,down to the atom count<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie7" alt=":p" unselectable="on" unselectable="on" />encil:</p><p><br /></p><p>for U.S. coin collectors,it is alot easier to think that green is PVC,chances are thats what caused it for your U.S. coinage.</p><p><br /></p><p>albums verdigris&nbsp; will be light green and usually very dry,maybe slightly wet.</p><p><br /></p><p>PVC verdigris is very dark,and slimy.</p><p><br /></p><p>and there is a good chance that your album verdigris&nbsp; came from a coin that was stored in PVC and it spread like grass across the album,and that would be why it is on a large section of coins,and there are others that are affected.</p><p><br /></p><p>as a coin collector,if i see verdigris&nbsp; i automatically think PVC,and it works great thinking that way.as a U.S. coin collector in general,most do not need to know the chemical makeup,as they dont understand,nor do most care.so if you always keep the two as one.it is one less thing to worry about. its bad either way.</p><p><br /></p><p>Now to the &quot;PVC&quot; on coins.when you see silver and it looks wet,kind of like</p><p>Vaseline watered down a little bit,that is chlorine from PVC,if the coin was copper it would turn green.its that easy[/QUOTE]</p><p><br /></p>

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