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<p>[QUOTE=&quot;SSlava, post: 10681332, member: 4587&quot;]I wonder what low-grade electrum looks like?The neural network wrote several times that it was supposedly electrum)).Sometimes it wrote copper with gold plating, sometimes brass. I dripped some chromium pickling salt out of curiosity, or maybe I&#039;m doing something wrong, or maybe there really is a lot of silver in the metal.The chromium pickling salt quickly turns bright red.What kind of metal is this?[ATTACH=full]533612[/ATTACH][/QUOTE]</p><p><br /></p>

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