Gambling on stones, the word "gambling" naturally reveals endless temptation, it is mysterious, risky, and exciting, so much so that many people are always eager to try it even if they don't understand it at all, and experts are even more in-depth in studying this art and working tirelessly.

"Cutting the stone" is the most difficult part of gambling on stones. As the saying goes, "cutting the stone can determine life or death." In addition to the illusory luck, for experts, "rich experience is the most reliable." Most cut stones actually have common characteristics. After years of stone cutting practice, experts have summarized four important factors.

1. Features of the venue

The shape, specific gravity, skin and color of jadeite from each mining area are different. The external appearance is relatively easy to understand, but the invisible interior is difficult to understand, so we need to find the internal rules of jadeite from each mining area. The "inside" here mainly refers to the crystal structure, properties, formation rules, and basic color of jade.

Taking Mu Na as an example, the crystal structure of its original stone is filamentous, its characteristics are fine, compact and smooth, the formation pattern is from the inside to the outside, and the base color is light yellow. The comprehensive advantage is that it is easy to color from the inside to the outside, while the disadvantage is that cracks will progress and the changes are large.

Each layer of each field has its own characteristics, generally divided into three to five layers. The upper layer has long water head, loose base, and white skin from outside to inside; the middle layer has high density, tight base, yellowish skin, and is consistent inside and outside; the lower layer is old enough, with a hard base and black skin from inside to outside.

2. The performance of the skin

If you want to observe the formation trend of jade's type, water, bottom and color, first look at what kind of skin it is: old elephant skin, old tree bark, rust skin, sanded skin, cement skin, patina skin, white fog skin, white python skin, lime skin, potato skin, water-sanded skin, sanded skin, these skins are all manifestations of good type and water bottom, and then look at the presentation of sand on the skin.

Finally, observe the color to see if it has any traces of a python. Is it a colored python or a water python, and then what shape it is. There are roughly three types: Dot-the-Dian-Man, Python-Belt, and Hide-Geng-Zi. Then look at the size, curvature, and depth. Next, look at whether there are pine flowers on the python, how tight or loose the pine flowers are, the strength and direction of the color, how much color has penetrated into it, how deep it is, and whether the color is positive, bright, thick, and even.

3. Is the age old enough?

"Age" refers to whether the base color of the jade is weathered enough to be mature enough. If the degree of weathering is mature, the jade quality will be better, the base will be harder and tighter, the color will be more positive, and the quality will be higher. This will promote the formation of regular changes, making the heart more mature from the inside to the outside, changing the quantity of good quality, and making the base more open. This is the special change caused by aging.

4. Stone shape

The shape of the stone determines the completeness and maturity of its internal structure, and whether it is upright or not. If the internal changes are large and it is immature, most of the shapes are irregular and crooked. This half-cooked product is difficult to cut and expand, and the amount and quality of the product that is cut out are both small and poor. In particular, most of the color materials are just a layer like plaster color and cannot penetrate into the body. Therefore, old experts say that it is better for the stone to have edges and corners, like the edges and corners of a square, which shows that it is mature, its heart has been opened, or it is consistent inside and out.

The four factors of site, skin, age and stone shape directly affect the win or loss of gambling on jade. They must be analyzed in order, the rules must be mastered, and comprehensive judgments must be made after continuous practice and verification. Only then can the correct judgment method be derived and an accurate assessment made, and then a comprehensive analysis can be made based on the shape, cracks, cotton, dirt, black spots, ringworm and other characteristics of the jade.

"Gambling on stones is not gambling, it is about honing your mind." The expert's vision is the most fundamental basis for stone cutting. At the same time, purchasing channels, market conditions, amount of funds, and the mentality of stone cutting will all become important factors in determining success or failure in stone cutting. Only when all conditions are relatively favorable can the success of stone cutting be maintained in a relatively stable state.

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