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<p>[QUOTE=&quot;desertgem, post: 449254, member: 15199&quot;]That is true. However, any resulting alloy would be more expensive than using real silver. The volume situation mentioned above is important along with the weight, and that is why most goldsmiths, jewelers, etc. use specific gravity values for comparison to real,&nbsp; as it incorporates both weight and volume. So worn coins (grade poor) could be determined as to their silver or gold content without concerns of diameter,etc. as their volume would be measured. A &quot;gold&quot; chain could have a plate of 18K and test &quot;gold&quot; with acids or meter, but a specific gravity test would determine if it was 18K throughout, or much less inside. </p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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