Chinese Necklace with a Pendant in Jade "Jadeite". This Pendant is made of Jadeite Jade type B. The pendant is mounted on a tized cotton necklace with Onyx (Black Agate) and silver beads. In Chinese culture the Jade has a very high value. For some Chinese jade "first class" is more precious than gold. Jade is a symbol of nobility, purity and beauty Jade, called "Yu" in China is a family of minerals composed of Jadeite and Nephrite. The jade is formed under a very high pressure (over 10,000 atmospheres).