Dushan Jade is originated from Nanyang City, Henan province. It has a monoclinic crystal, it has fine texture, pure, glass-like lustrous radiant, it is transparent or semi-transparent, it has a hardness of 5.5 to 6.5, it has various colors, and its density is 2.44 to 3.18 g/cm

Dushan Jade is famous for its jade color. The main categories are white jade, green jade, green-white jade, purple jade, yellow jade, black jade, lotus red jade and variegated jade. Most of it is made into decorations.because of its multiple colors,its carved article can be vivid and be welcomed home and abroad.It’s great green color can rival green jadeite.its great white color can rival white Hetian Jade.some people make a joke saying:|”own one Dushan jade like ownning one jadeite and one Hetian Jade”but as matter as fact,its jade quality is not much as jadeite and Hetian Jade.

Dushan Jade resource fades great shortage and the Dushan Jade is prohibited exploiting by the local government to protect the jade resource.so the jade value increase greatly.

Nanyang have many great craftmen employ in jade carving,many works have been preserved by local and country museum.Many trader come here to do the jade trading.because it's the biggest jade trading base of the whole country. Nanyang is called "the town of jade article"

As the above we can see how important Dushan jade in the local city and the whole country.