Message:

<p>[QUOTE=&quot;900fine, post: 683143, member: 6036&quot;]We often cross the line between chemistry and numismatics.</p><p>&nbsp;</p><p>Chemically, pure gold is &quot;inert&quot; - <i><u>relatively</u></i> speaking. Relative to most other metals, it has very little electronegativity, so it doesn&#039;t ionize as easily. It doesn&#039;t react with other compounds <i><u>as easily</u></i>, but it can be made to react.</p><p>&nbsp;</p><p>That&#039;s chemistry.</p><p>&nbsp;</p><p>In numismatics, however, <b>we are never dealing with pure gold</b>. Never ever. The impurities <i><u>in</u></i> the gold react, and more importantly, surface matter <i><u>on</u></i> the gold - oil from fingers, etc. - reacts and tones.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in