It turns out that these jade skins are easy to produce jade with good color

The "skin" of jadeite refers to the weathered shell of the jadeite raw stone, which is the product formed by weathering of the raw stone during geological movement. Due to the existence of the jade skin, the interior of the jade cannot be observed.

During the raw stone trading process, the owner's identification of the jadeite raw stone is mainly through observing the various manifestations of the skin and inferring the quality of the internal jadeite raw stone. Therefore, the jadeite skin is often regarded by many people in the industry as an external manifestation of the internal jade quality and is the basis for people to judge the internal jade quality.

Several types of jadeite skins and the quality of the jade under the skin:

White sand skin: The color of jade inside the white sand skin raw stone is mostly light colors, such as white, colorless, and new green. If green appears inside the white skin, it is only likely to be green in a small area, mostly in the form of strips or threads; the texture is fine and the transparency is high, and it usually produces ice jade.

Yellow sand skin: The yellow skin of the original stone with yellow sand skin mostly produces green and purple jadeite, and jadeite color is rare; the texture structure varies greatly, and bean-type, glutinous type, ice type, and glass type have all appeared. Many experts say that the jade inside the red sand skin has a fine texture, good quality and sufficient water, and can produce high-grade materials. If the skin sand is fine, and loose flowers and black stripes appear, it may be a high-grade material with good quality and good color.

Black sand skin raw stone: The black skin of black sand can be illuminated by light to show the green inside, which means that the color inside will be more emerald green, because the black skin will cover the green. The jade inside is mostly bright green, eggplant purple, blue-gray green, grayish white and black. The black sand skin raw stone is very risky. Sometimes the quality and water are excellent, and sometimes there will be very rough materials, such as glass type, glutinous type, bean type, white ground green, dry white ground, etc.

Red sand leather: The surface often has pine flowers or black pythons, and it is inferred that there is high color inside. Some people like to gamble on red sand leather bottles, which is very challenging and requires caution.

Waxy leather: Waxy leather comes in colors such as white, yellow, black, and red. Some experts believe that some Houjiang jade has red waxy skin, thin skin and white with red, often with long water head, and often appears as full green high-quality goods. The yellow wax skin is sometimes thick and sometimes thin, sometimes light green and sometimes bluish. It takes a bit of luck to get a high color.

Half-mountain and half-water leather and water-turned sand leather: The surface of half-mountain and half-water leather is smooth, and residual weathered leather can be found in small places. The internal features of such a shell can also be clearly seen, and it is quite easy to guess the texture. The water-turned sand skin is a jadeite material with good roundness. It has a layer of sandy weathered skin with finer sand grains. The skin is very hard and thin, and it is not very risky.

Water skin: Water skin has various colors, including white, red, yellow, black, etc. The water and rocks roll violently in the riverbed, causing severe wear and tear. Only a thin layer of color can be seen, and under the light the color inside can be almost seen clearly.

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