How many types of jade are there in China?

Including true jade (hornblende) also includes serpentine, turquoise, malachite, agate, crystal, amber, ruby, emerald, and other colored stone jades.

Introduction:

Jade in Chinese culturology has a broader connotation than just its mineralogical significance. Xu Shen of the Han Dynasty said in Shuowen Jiezi (Explaining Characters in Chinese) that jade, the beauty of stone and the five virtues. The so-called five virtues refer to the five characteristics of jade. Any beautiful stone with tough texture, crystalline luster, brilliant color, dense and transparent organization, and soothing and far-reaching sound is considered to be jade.

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Chinese jade not only has a long history of mining, but also has an extremely wide geographic distribution and abundant reserves. Jade mines in China are divided into three main sectors: one is the northeast of China, Inner Mongolia extends to the Russian region; the second is China's Jiangsu and Zhejiang regions all the way to Taiwan; and the third is Xinjiang, Tibet and Qinghai regions. And Xinjiang Hetian, Henan Dushan, Liaoning Xiuyan and Shaanxi Lantian are known as the four most beautiful jade in China.

References:

Chinese Jade ? Baidu Encyclopedia