4 thoughts on “What to think of jewelry and jade appraisal certificate”
Leslie
The emerald certificate issued by the national authority is a result of its identification. If it is not a natural A cash emerald, the result is only the word "emerald", and the words "A goods" and "natural" will not be marked.
only if it is a natural A cargo, the result is the "emerald" certificate;
If it is B the jadeite, the result of the certificate of the certificate will indicate "Emerald (Treatment) "," Emerald (Injusal) "," Emerald (B) "or" Emerald (Optimization) ";
C goods emerald, which will indicate" Emerald (dyeing) ";
D. Emerald, in the results of the identification certificate, there will be no "emerald". What kind of supplies are, indicate the name of this substitute -such as "artificial glass", "dyeing, dyeing, Quartet rocks, "sacrifice jade", "Malay jade" and so on.
The certificate should be corresponding one by one, that is, one thing and one certificate, and the certificate should be on the certificate.
. Although some things come from a raw material, the appearance looks very similar, but the jadeite jewelry is not exactly the same. One thing to do a certificate does not prove the quality of the entire batch -some businesses have only one certificate of samples in order to save costs. This batch of goods is natural, which is not in line with national regulations.
The basic physical, chemical, and optical characteristics of the emerald should be marked on the certificate: refractive index: 1.66 (this is a refractive index unique to other gems itself); density: 3.33 (also the characteristic of distinguishing between emerald and other gems); amplification detection: fiber intertwined structure (this is a structure unique to emerald); It is the unique absorption spectrum of emerald); Stheric filter filter: no response (some dyed emerald will turn red under the color filter); : n Fluorer: None (some B goods will have fluorescence reactions after glue); The appearance characteristics: glass gloss (some B goods will show waxy luster). Finally, there must be a signature of the test personnel. The most important point is: there must be steel seals or anti -counterfeiting signs on the certificate.
/ available in input certificates to query. If it is identified by the relevant appraisal agency, you can find the certificate and see the jade you purchased.
What do you think of the jewelry certificate? What are the problems? How to identify fake certificates?
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The emerald certificate issued by the national authority is a result of its identification. If it is not a natural A cash emerald, the result is only the word "emerald", and the words "A goods" and "natural" will not be marked.
only if it is a natural A cargo, the result is the "emerald" certificate;
If it is B the jadeite, the result of the certificate of the certificate will indicate "Emerald (Treatment) "," Emerald (Injusal) "," Emerald (B) "or" Emerald (Optimization) ";
C goods emerald, which will indicate" Emerald (dyeing) ";
D. Emerald, in the results of the identification certificate, there will be no "emerald". What kind of supplies are, indicate the name of this substitute -such as "artificial glass", "dyeing, dyeing, Quartet rocks, "sacrifice jade", "Malay jade" and so on.
The certificate should be corresponding one by one, that is, one thing and one certificate, and the certificate should be on the certificate.
. Although some things come from a raw material, the appearance looks very similar, but the jadeite jewelry is not exactly the same. One thing to do a certificate does not prove the quality of the entire batch -some businesses have only one certificate of samples in order to save costs. This batch of goods is natural, which is not in line with national regulations.
The basic physical, chemical, and optical characteristics of the emerald should be marked on the certificate:
refractive index: 1.66 (this is a refractive index unique to other gems itself);
density: 3.33 (also the characteristic of distinguishing between emerald and other gems);
amplification detection: fiber intertwined structure (this is a structure unique to emerald); It is the unique absorption spectrum of emerald);
Stheric filter filter: no response (some dyed emerald will turn red under the color filter);
: n Fluorer: None (some B goods will have fluorescence reactions after glue);
The appearance characteristics: glass gloss (some B goods will show waxy luster).
Finally, there must be a signature of the test personnel. The most important point is: there must be steel seals or anti -counterfeiting signs on the certificate.
/ available in input certificates to query. If it is identified by the relevant appraisal agency, you can find the certificate and see the jade you purchased.
What do you think of the jewelry certificate? What are the problems? How to identify fake certificates?
n00:00 / 05: 1270% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% → 5 seconds of fast advances ←: Press a single fast retreat for 5 seconds to hold hold Here you can drag no longer appear in the player settings to reopen the small window shortcut key description
The A certificate is basically natural. Some of the B.
Send a little bit to teach you a little bit, I used to do a certificate before