Ruby Ruby refers to corundum with a red color, which is a type of corundum.DOWNLOAD
Sapphire Sapphire is a general term for corundum gems with different colors except rubies.DOWNLOAD
Emerald Emerald is called Emerald Hope, one of the top four gemstones recognized by the international jewelry industry.DOWNLOAD
Tourmaline Tourmaline is the technical name of tourmaline, which is a kind of tourmaline with jewelry grade.DOWNLOAD
Jade Jade is a fibrous aggregate composed of pyroxene minerals, mainly jadeite minerals.DOWNLOAD
Nephrite Nephrite refers to silicate minerals that have gem value from certain amphibole (such as tremolite, actinolite and other series of minerals).DOWNLOAD
Pearl Pearl is an ancient organic gemstone, mainly produced in shells and mother-of-pearl mollusks.DOWNLOAD
Amber Amber is a transparent bio-fossil, and it is the resin fossil of coniferous, rhizome, araucaria, and other plants.DOWNLOAD
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.