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Ruby prices remain high, so there are a lot of ruby ​​products on the market. How to identify the ruby ​​true and false? Next, learn the ruby ​​identification method.
1. Fill the cracks of rubies with artificial glass or other materials. This kind of treatment is difficult for non-professional appraisers to identify by appearance.
2. The top of the sandwich ruby ​​is a layer of transparent natural corundum. The pavilion underneath is a synthetic gem. The natural inclusions can be seen from above, which is mistaken for natural rubies.
3. In addition to this, there is also a dyeing method of flame firing, which places the original colorless corundum into a chemical raw material containing a coloring element, and then heats the coloring element to penetrate the surface of the gemstone at a high temperature to make a colorless corundum. Become a ruby.
However, the color only reaches the surface of the gemstone and cannot penetrate deep into the interior, so the gemstone cannot be re-polished or polished, otherwise the treated color will be lost.
Weihai Yimao Garment Co,. Ltd. , https://www.cwhyimao.com