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<p>[QUOTE=&quot;prunus, post: 1620199, member: 13590&quot;]Hello everyone!</p><p>I bought a silver filigree brooch last month. It’s a crane，traditional motif for longevity in China, and has a “silver” mark on its back. When I look at it, I see silver color especially the filigree part has just a little bit yellow tone. I thought it’s tarnish so use silver cloth to clean it. But it’s still there.</p><p>Since I have access to an XRF, so I thought why not test it. Result shows it’s made of 89.9% silver, 5.5% copper and 4.32% gold. </p><p>I have jewelry made of gold plating. It only contains 1-2% gold according to XRF test and looks really like gold. This brooch looks like tarnished silver not gold, so I think it’s not gold plating.</p><p>So what could it be? Some goldsmith accidentally drop some gold in the alloy? Any ideas?</p><p>I put a 925 silver chain next to the brooch, just for the color comparison.</p><p>[ATTACH=full]233174[/ATTACH] [ATTACH=full]233176[/ATTACH][/QUOTE]</p><p><br /></p>

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