Love to buy jade is not a psychological problem, just simply like jade, and girls like to buy bags, boys like to buy shoes is a truth. Jade is a mineral, including nephrite and jadeite. Usually jade refers to nephrite, which belongs to one of the most common jewels. China is the earliest and most extensive country in the world to exploit and utilize jade. There are many records and names in ancient books, such as Shuiyu, Heritage Jade, Peiyu, Xiangyu, Nephrite and so on. Tremolite nephrite unearthed from Chahai site in Fuxin city, Liaoning province is about 8000 years ago (early Neolithic age), which is the earliest known real jade in the world. The most famous jade in China is Hetian jade in Xinjiang, which, together with dushan jade in Henan, xiuyan jade in Liaoning and lantian jade in Shaanxi, is called the four famous jade in China.