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<p>[QUOTE=&quot;Insider, post: 4584761, member: 24314&quot;]</p><p><br /></p><p>ver·di·gris</p><p>/ˈvərdəˌɡrēs/</p><p><br /></p><p><i>noun</i></p><p>noun: <b>verdigris</b></p><ol> <li>a bright bluish-green <b><span style="color: rgb(0, 102, 102)">encrustation or patina</span></b> formed on copper or brass by atmospheric oxidation, consisting of basic copper carbonate.</li> </ol><p><b><span style="color: rgb(179, 0, 0)"><br /></span></b></p><p><b><span style="color: rgb(179, 0, 0)">NO.</span></b></p><p><br /></p><p>Many of you have had a leather object with brass fittings.&nbsp; Over time, a <b><span style="color: rgb(0, 102, 0)">soft</span></b>, green deposit forms where the two materials meet.&nbsp; It is a chemical residue.&nbsp; It occurs on all coins (have not seen on Platinum or Tin)</p><p><br /></p><p>Here is some of the stuff that typically accumulates - even on GOLD!&nbsp; This stuff is a soft deposit that comes right off with a round toothpick.&nbsp; It is not hard.&nbsp; It is not a powder. Therefore, it is NOT verdigris.</p><p><br /></p><p>I know what it is not so let&#039;s ask a chemist what it is... <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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