-
Description of gems and jade traceability standards
On the basis of becoming the local standard of Shanghai, the gems and jade traceability system standard is becoming a national standard for gems and jade traceability system services in Chinese Mainland.
-
Ruby
Ruby refers to corundum with a red color, which is a type of corundum.
-
Sapphire
Sapphire is a general term for corundum gems with different colors except rubies.
-
Emerald
Emerald is called Emerald Hope, one of the top four gemstones recognized by the international jewelry industry.
-
Tourmaline
Tourmaline is the technical name of tourmaline, which is a kind of tourmaline with jewelry grade.
-
Jade
Jade is a fibrous aggregate composed of pyroxene minerals, mainly jadeite minerals.
-
Nephrite
Nephrite refers to silicate minerals that have gem value from certain amphibole (such as tremolite, actinolite and other series of minerals).
-
Pearl
Pearl is an ancient organic gemstone, mainly produced in shells and mother-of-pearl mollusks.
-
Amber
Amber is a transparent bio-fossil, and it is the resin fossil of coniferous, rhizome, araucaria, and other plants.
- The 2022 International Jewelry Summit will be held today,... 2022-12-07
- The 2022 International Jewelry Summit was successfully he... 2022-12-07
- Launch Ceremony of the Diamond Jewelry Cultural Festival ... 2023-05-08
- The International Jewelry Summit 2023 was successfully he... 2023-11-14
- The 7th CIIE Jewellry Hall Signed Contracts with the Firs... 2024-03-05
沪公网安备 31010102007178号
Open the WeChat APP, use the [Scan] function, follow the WeChat official account of CGE, you may get the latest daily information.