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<p>[QUOTE=&quot;kanga, post: 386721, member: 9270&quot;]I use the term &quot;verdigris&quot; the way the average person uses it.</p><p>I use it to describe the &quot;dry&quot; greenish/bluish coloring associated with items that have a high copper content and are exposed to the elements.</p><p>This means everything from the simpler compounds like Cu&lt;sub&gt;2&lt;/sub&gt;O and CuO to the more complex (see <b>rhoggman</b>&#039;s post.)</p><p>Stuff like copper sheathed roofs or statues. The Statue of Liberty is a fine example.</p><p>&nbsp;</p><p>I don&#039;t use it to describe the &quot;wet&quot; greenish coloring associated with PVC (yes, I&#039;m aware that PVC itself isn&#039;t the problem, but it&#039;s easier to type PVC and the average collector understands what is intended.)</p><p>&nbsp;</p><p>I don&#039;t have to know the particulars. I can leave that to NCS.</p><p>But I <b><u>DO</u></b> have to be aware of the implications of each.</p><p>I&#039;ll continue to describe the &quot;green stuff&quot; by those two terms being fully aware that a great simplification is being made.</p><p>And most people will understand.</p><p>&nbsp;</p><p>Hmmmmmmmm, HTML is turned <b>Off</b> which is why my subscript tag didn&#039;t work.</p><p>How does one go about turning HTML <b>On</b>? Or can we?[/QUOTE]</p><p><br /></p>

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