Some knowledge about jewelry identification

adicionou um novo artigo Outro

2022-10-03 03:14:27 - Traduzir -

Jewelry identification is to identify the species, purity, synthesis, artificial, processing and part of the origin characteristics of all jewelry and jade and organic gemstones. It can accurately identify the authenticity of jewelry by eliminating the fake jewelry and jade processed by counterfeiting, so as to protect the rights and interests of buyers. A diamond is the hardest of all natural...

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