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<p>[QUOTE=&quot;desertgem, post: 1684840, member: 15199&quot;]There is a difference between hardness ( point indentation ) procedure, which is determined by the surface of the alloy., and the ductile elasticity which would be bending. Then, the thickness of the sample and how much the metal was &#039;work hardened&#039; by the striking of the coin, etc, affects the results. There is a rather obscure paper ( translated) which approaches this problem from a hard to understand methodology. The end result tends to say ( If all things were exactly the same, except the molecular basis silver -gold) that silver would bend easier than gold. IMO.</p><p><br /></p><p><a href="http://www.iaeng.org/publication/IMECS2011/IMECS2011_pp1221-1224.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.iaeng.org/publication/IMECS2011/IMECS2011_pp1221-1224.pdf" rel="nofollow">http://www.iaeng.org/publication/IMECS2011/IMECS2011_pp1221-1224.pdf</a></p><p><br /></p><p>With all of the factors NOT the same between the 2 coins, You would have to do it experimentally and define it as a .999 Ag silver eagle and a .9xx&nbsp; Gold eagle or whatever.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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