Xiuyan jade is produced in the Xiuyan Manchu Autonomous County , Anshan city of ,Liaoning province in China,is one of the four famous jade in china history .

Xiuyan jade can be generalized into two categories, one is an old jade (also known as the old yellow and white jade), the old jade of the seed material known as River Mill-jade

Belongs to tremolite jade, its texture and simple, solemn, color yellow side white, is a precious diamonds in the rough.

The other is Xiuyan Jasper, which is a serpentine type of ore, its texture, firm and moist, delicate and harmony.

Most are in green to the green lake, of which dark green, transparent little flaw for treasures

The category of Xiuyan jade

Jade: Green single, gentle texture, crystal, fine, sexual Caine, transparency is good, is to produce excellent material bracelet.

Topaz: Yellow single, gentle texture, crystal, fine, sexual Caine, transparency is good, is to produce excellent material bracelet.

Moyu: black single true black block little moist texture, crystal, fine, sexual Caine, opaque, is to produce small pieces of handmade jewelry.

Brown Jade: brown single small, multi-pale brown, light cinnamon, texture delicate, sexual Caine, opaque, to produce more small pieces of jewelry.

Flower jade: light green, green, dark green, yellow, yellow-green, black, light brown, light yellowish brown, gray mixed with each other, or on one or two kinds of color-based

The authenticity of identification

Handamde Jade jewelry is expensive, selection of technically demanding, the vast majority of consumers find it difficult to distinguish their advantages and disadvantages, true and false at the slightest mistake it is easy to buy shoddy or counterfeit goods, suffer great economic losses. Shops on the market a lot of jade, jade nephrite and jadeite are generally divided into two broad categories. Jadeite jade is also called. Composition from the chemical industry, the soft jade calcium, magnesium and iron silicate; jadeite is a sodium and aluminum silicate. Here are pros and cons of jade, genuine and fake identification method: identification law would drop the water drops in the jade, such as those who spread out into the dew-like eventually becoming true jade; drop to disappear soon is the shoddy goods.
 
If touches the jade with hand, there is a sense of cold lubrication. Inspection of law will move towards a bright jade Department, such as sunlight, light office, if the color-clear, green uniform distribution is the true jade. Tongue lick method has astringent feeling really jade; and fake jade had no astringent feeling. A magnifying glass on the purchase of disocunt jade jewelry under a magnifying glass to watch whether the rift is mainly, no cracks were for the superior quality jade, there are cracks are as followed. Even if is true jade, there are cracks in its value is greatly reduced, the more cracks more obvious, the lower value.