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<p>[QUOTE=&quot;Info Sponge, post: 982627, member: 20538&quot;]If anyone else is as fascinated by ancient gold refining as I am, some additional things to look at are &quot;gold parting&quot; and &quot;cementation&quot;. Silver apparently stays with the gold after cupellation.</p><p><br /></p><p>For an irrelevant comparison, steel at the time was a hit-or-miss proposition that depended on which mine you got the ore from.</p><p><br /></p><p>Does anyone know whether silver dissolves in gold like sugar in water, or whether the alloy is a mixture that might not be uniform? A microscopic spot of concentrated silver would be more reactive than the surrounding gold in that case, and would create a visible nonuniformity. That would fit the observation of silver in the spots.[/QUOTE]</p><p><br /></p>

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