1. Dangerous materials, namely jadeite from Guatemala, whose gemmological and mineralogical characteristics meet the national standards for jadeite, can certainly be certified, and its conclusion is "jadeite" (natural jadeite) like Myanmar jadeite. The origin of jewelry and jade does not participate in naming, that is to say, the origin does not participate in naming when identifying jewelry and jade samples.

2. Test conclusion: The normal test conclusion is "jade". If jade is optimized, it will be described relative to the original. Quality/gram weight: gram weight of jadeite. Jewelry name: jade pendant, jade bracelet, etc.

3. Hazardous materials are also jadeite, and the conclusion will be written on the appraisal certificate as "jadeite" (natural jadeite). Because according to the material properties of jadeite stipulated in the national standard GB/T 16553-20 17 of Jewelry and Jade Appraisal, the material properties of Burmese jadeite are the same as those of dangerous materials.

4. The certificate of hazardous materials indicates the place of origin. The main component of harmful substances is omphacite, and the green coloring element is reported to be related to Fe ions, resulting in dark gray and black spots on Guatemalan jadeite.

5. Certificate number/inspection number: you can check whether the purchased goods are consistent with those on the certificate. If there is jadeite with code, you can compare it with the code on the certificate. Test conclusion: The normal test conclusion is "jade". If jade is optimized, it will be described.