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<p>[QUOTE=&quot;Kentucky, post: 4638112, member: 33176&quot;]I&#039;m not a metallurgist either, I am an organic chemist.&nbsp; However the similarity and differences between metals and glasses I think has to do with crystallinity.&nbsp; I know glass can crystallize, but usually exists as an amorphous solid.&nbsp; In metals I think crystals are more the rule than the exception.&nbsp; In a mixture of two metals, we don&#039;t only have the two separate metals, but we have a myriad of phases of the two depending on the mixing.&nbsp; Boundary separation doesn&#039;t have to occur only on the surface, but can occur below the surface with an accompanying rupture of the surface, so a lamination might not show a surface feature, but could be associated with alloys rather than pure materials.&nbsp; As far as the OP coin, it looks like a woodie to me, but I will admit the possibility that it isn&#039;t.[/QUOTE]</p><p><br /></p>

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