1, cotton number: there are many new varieties of jadeite cotton, which look like ice slag; The old kind of jade cotton is obviously much less, and even if there is, it is fine and easy to distinguish. Whether it is sticky or not: The old jadeite generally feels sticky, and the new jadeite structure is not tight enough. No matter how polished, it is extremely difficult to achieve the glue feeling of the old pit.

2. Distinguish between the old and new jade bracelets depends on whether the pit on the jade material is an old pit or a new pit. The new pit is a new bracelet, and the old pit is an old bracelet.

3, the water of the jade bracelet is not old, you can look at cotton. Generally speaking, the jade bracelets of Laoshui contain less cotton. Even if there is cotton, cotton is presented in tiny dots. But the tender jade bracelet will have more cotton, and it will be accompanied by a lot of ice slag and the like.

4, modeling and theme decoration, this is jade clothes, each era has the aesthetics of each era, with unique modeling and decoration, which is the most typical dating basis. Processing technology, appliances in the production process.

5. When you identify jade bracelets, you can look at them from the color, structure and density. Natural jade bracelets have a natural color distribution, and the color roots can be seen inside, which also presents a glass texture, while the color of fake jade bracelets looks unnatural.

What do you think of the characteristics of the old jade bracelet?

1. You can look at cotton when planting water. Generally speaking, jade bracelets with long water contain less cotton. Even if there is cotton, it is presented in tiny dots. But the tender jade bracelet will have more cotton, and it will be accompanied by a lot of ice slag and the like.

2. The old and new jadeite bracelets can be distinguished by looking at cotton wool, looking at the gray level and listening to the knocking sound. That kind of old jade sometimes gives people a very transparent vision, and at the same time it seems that the meat contains jelly, which is evenly distributed and dissolved in the meat. It gives people a very practical and meaningful feeling, but it is not very tender.

3. The identification of the old jadeite in Qing Dynasty can be seen from its luster. No matter how many years have passed, the old jadeite in Qing dynasty is still bright and hard, and it looks moist and bright, and most of the water planted is old. The fake old jadeite in Qing Dynasty looks relatively new, dull and lifeless.

How to tell whether Thangka is true or false, good or bad?

Distinguishing the advantages and disadvantages of Thangka depends on meticulous technology and pigments. Good thangka, the hook line is a stroke, evenly colored, which has an impact on the momentum. A kind expression looks like a smile, but an angry expression is dignified. Some old fake thangkas have also entered people's field of vision.

Thangkas from temples and aristocratic families are of great value. The identification method is to see whether the process is meticulous and whether the pigment is natural. The sleeve of Thangka scroll from the nobility is pure silver, and the edge of Thangka is silk brocade.

Generally speaking, the identification of Thangka is mainly based on the subject matter, painting content, production technology, materials, painters and so on. It is also very important to look at the penetrability of pigments. The real old Thangka can "eat" the paint, and the old Thangka can clearly see that the paint is floating on the surface.

Hand-painted Thangka is colored with mineral plant pigments and printed with colored chemicals to produce high-fidelity Thangka. Hand-painted Thangka pigments are generally soluble in water, while chemicals are difficult to dissolve in water.

How to distinguish jade bracelets

Generally speaking, we can distinguish the authenticity by identifying the jade bracelet, color root, texture and sound. Seeing the color root is to turn on the flashlight and hold it at the jade bracelet. If the color inside the jade bracelet is very strong, the color becomes lighter from the inside out. Or the surface of the bracelet has the texture like orange peel, which means the jade is real.

Look at the luster of the jade bracelet. The natural A jade bracelet has a smooth surface, and the jadeite with good polishing and dense texture can present bright glass luster. Due to the influence of intergranular gap and orange peel effect, the luster of rough jade is weak, ranging from sub-glass luster to oily luster.

Look at the luster; When identifying the authenticity of a jade bracelet with the naked eye, first look at the luster of natural light. Generally, the luster of real goods is strong glass luster, while the light of fakes is mostly waxy, with poor luminosity and smoothness, and most fakes have no fluorescence. If you look closely, the edge of fake jadeite often shows a faint blue-purple light.