2 thoughts on “What is the knowledge of the emerald bracelet?”

  1. Emerald bracelets can be divided into four levels:
    . A, A goods
    Natural jadeite, except for mechanical processing, there is no other physical and chemical treatment. Essence Very rare, so it is very expensive.
    . The B goods
    The jadeite that has been filled with deep white plus filled processing is bleached with dirty (yellow -brown) and large granules and loose structures. Pores of erosion. Identification: The treated emerald looks very abnormal, green is very bright, without impurities.
    three, C goods
    The jadeite treated with the goods is also the most on the market, mainly in the white ground, or add some green. Identification: Check the green dye with a magnifying glass to concentrate on the cracks of loofah -like, and the green is uneven.
    . D. D goods
    . There is also a kind of person called D goods emerald. It is a fake jadeite with a thin layer of natural jadeite on it. Significance, it is not emerald at all, the cost is only a few yuan.
    Extension information:
    The jade grade certificate identification
    National inspection certificate: National Jewelry and Jade Quality Supervision and Inspection Center (NGTC) is a national jewelery jade quality inspection institution authorized by law. Qualification identification of product quality supervision and inspection agencies (measurement certification, authorization recognition), laboratory recognition;
    is an authoritative institution for domestic jewelry testing in jewelery of jewelry in China, and is designated as national scientific and technological achievements appraisal agencies, import and export goods inspection inspection Laboratory and CICC Commodity Designated Laboratory. The style of the National Inspection Certificate is unified nationwide, and it should be inquired on the Internet of China without regional.
    Reference materials Source: Baidu Encyclopedia — Emerald
    Reference materials Source: Baidu Encyclopedia — Emerald Level

  2. Emerald's entry knowledge, first learn to distinguish what emerald is, what is jade, what is the emerald flies, and if you do n’t even understand, then learn it a little bit. One sentence can be clearly explained, in addition to distinguishing things such as A, B, and C, it is enough to give it to professional testing agencies. This is not learned but a professional identification machine. It is not possible to distinguish the method of distinguishing, but to this person who is not experienced at all. To put it bluntly, the teacher has to find a professional institution to issue a certificate. Besides, ordinary people can see. Of course, the teacher can see. Some doors come, but they are also based on the testing agency.

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