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<p>[QUOTE=&quot;Hi2022, post: 4382857, member: 48641&quot;]I think it&#039;s glass. I did the toothtest described in one of the previous posts but I&#039;m not sure... it could also be some kind of plastic that looks like glass.</p><p><br /></p><p>I can&#039;t find any markings. I tested this brooch on silver and gold, but again..... I&#039;m not sure what to make of the test results.</p><p><br /></p><p>The scratches will dissolve within 10-15 sec. on if I use 18 kr solution. at 14kr solution they lose a little slower but certainly within 1 minute it is solved. At 10 kr nothing happens. scratches remain visible. and I scratched a lot</p><p><br /></p><p>based on these test results i think it should be between 10 -14 kr gold.. but the color is too reddish to be 10-14 kr right ? and there must be a gold marking right? ..</p><p><br /></p><p>maybe my test stone is not clean enough ..</p><p>how do you clean your test stone if you don&#039;t have a special cleaning solution?</p><p><br /></p><p>I clean mine by using a few drops of 22k solution and or platinum solution[/QUOTE]</p><p><br /></p>

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