How to distinguish between true and false jadeite A card and how to distinguish between true and false jadeite A card

How to verify the authenticity of jade card and how to identify the authenticity of jade card?

Check and evaluate the qualifications of institutions; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.

The authenticity of jade certificate can be identified by telephone inquiry, website inquiry, short message inquiry and QR code scanning inquiry.

Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

How to distinguish jadeite A goods from certificates

1. Jade certificate issued by national authority, and one of its appraisal results. If it is not natural A-grade jadeite, the result is only "jadeite", and the words "A-grade jadeite" and "natural" will not be marked. Only natural A goods will issue the certificate of "Jade" result.

2, look at anti-counterfeiting, the real certificate will have a steel seal or anti-counterfeiting logo, and the credibility of the certificate without these is doubtful and not worth believing.

3. For the identification of jadeite bracelet A, you can go to official website to check the certificate code. The information of the genuine jade bracelet on official website is completely consistent with the certificate, while the fake jade bracelet will be found without trace or with different information.

How to read the certificate of jadeite A (how to read the certificate of jadeite A)

First of all, look carefully at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.

If it is natural jadeite A, the words "A" and "Natural" will be marked on the appraisal certificate. The most effective way to identify the authenticity of jadeite is to let the seller issue an identification certificate from a national accreditation body.

Jade bracelet a can identify the true and false. You can check the certificate code in official website. The information on the genuine jade bracelet in official website is exactly the same as the certificate, while the fake jade bracelet will be queried without trace or the information will be different.

How to distinguish the authenticity of Jade A goods?

The identification of jadeite A goods can be seen through the texture. The real jade A goods have clear texture, and the impurities and cotton wool inside can be clearly seen. The fake jade A goods are too uniform in texture, without any impurities and flaws, just like glass.

The most direct way to identify jadeite in goods is weighing. Jadeite belongs to jadeite, and its density is relatively high, ranging from 25 to 40, and its hardness is about 5 to 7. Now that the weight is heavy, putting jade in your hand will feel like "dropping your hand".

Look at the color of jadeite: natural jadeite has colored roots with visible color and uneven distribution, while dyed jadeite is divergent, invisible, floating and distributed in the surface layer in a silk net shape.

Jade bubbles do not reflect white light. A cargo jade is pure natural jade, genuine, flashlight will not reflect white light. B bracelets reflect white light. B bracelets are jadeite jade that has been washed, bleached, coated and polished.

The authenticity of Jade A can also be seen through transparency. Jadeite A is transparent or translucent, with certain light transmittance, and its organizational structure can be seen. The texture of non-A grade jadeite is either turbid or too transparent, and some are untrue.

How to distinguish between true and false jade certificates

Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

See the printing quality of jadeite appraisal certificate. The real certificate looks very textured, with good printing quality, clear handwriting and standard typesetting. However, the printing quality of fake certificates is rough, the handwriting is not easy to read and the typesetting is not standardized.

Look carefully at whether the shop opening organization that issued the inspection certificate of jadeite jewelry has the right to issue the jadeite appraisal certificate.

Observe the English abbreviation marks on the jade certificate, such as whether there are CMA and other marks. If there is, it means it is a genuine jade certificate. See if the jade certificate has a number. If it has a number, it means that it is a real jade certificate. Otherwise, if it has no serial number, it means it is a fake jade certificate.

How to identify the authenticity of Jade A, and how to identify the authenticity of Jade A..

1, weighing, generally speaking, if you are an expert in jade, you can get a general idea of the variety of jade by weighing. As we all know, different kinds of jade have different densities. The density of jadeite is 33 or 34, which is higher than that of ordinary jadeite.

2. You can also use the water drop method to identify the true and false jadeite of A goods. The surface of A jadeite contains oil. After dropping water drops on it, the water drops will be dewdrops and will not dissipate quickly, while the fake A jadeite will dissipate quickly when it meets water drops.

3. The most direct way to identify jadeite A is to weigh it. Jadeite belongs to jadeite, and its density is relatively high, ranging from 25 to 40, and its hardness is about 5 to 7. Now that the weight is heavy, putting jade in your hand will feel like "dropping your hand".

4, the identification of Jade A goods can see the texture, really Jade A goods have a clear texture, and the impurities and cotton wool inside can be clearly seen. The fake jade A goods are too uniform in texture, without any impurities and flaws, just like glass.

5. Water density measurement method: This method is a very practical method to identify the authenticity of Jade A goods. The identification of most jadeites is effective, and it is also a common method used by Mocha jadeites.