How to choose jadeite rough stone

Even today, with the advancement of science, there is still no instrument that can quickly determine whether the inside is a precious jade or rags through this outer shell. Jade gravels come in different sizes, with those weighing tens or hundreds of kilograms to several tons being more common. The big ones can weigh thousands or even tens of thousands of tons, while the small ones can be as small as a thumb. Due to the existence of the weathering crust, it is impossible to investigate the interior of the jade. The identification of jadeite rough stone is mainly based on observing the various phenomena on the surface of the weathering crust to infer the internal quality of the jadeite rough stone.

In the eyes of Westerners, jade best represents Chinese culture and is the most mysterious. It is difficult for them to understand how the worship of a certain natural material could last for thousands of years. They like to hear their Chinese friends say that jade is spiritual and can bless its owner. When they come to China, they may buy some jade and go back to tell their family and friends: "We like diamonds, and Chinese people like jade."

The current situation of the domestic high-end jade market is that supply exceeds demand. In recent years, jadeite has become a hot collectible and the market demand is growing. However, high-quality raw materials are becoming increasingly scarce. After decades of large-scale mining, several major jadeite mines in Myanmar are almost exhausted, and the price of raw stones continues to hit record highs: the Yangon Jadeite Rough Stone Public Auction in Myanmar had a turnover of 3 billion yuan in March 2010. By June, the total transaction price of a similar amount of stone had doubled, setting a new record of 7 billion yuan. This year, according to industry insiders, the Myanmar jade mines have been closed in October, so the price of jadeite raw stones will continue to soar, and the "crazy stone" has not yet ended.

"There are many people competing for good stones, so the final auction price will definitely soar." At the Ruili rough stone public auction, a stone weighing 0.1kg with a reserve price of 1,000 yuan was selected by more than 20 bosses in just one morning. The staff told reporters that rough stones like this one from the famous Moshisha mine in Myanmar are particularly popular. "The jade materials from the old mines are generally better than those from the new mines, and the good jade materials are becoming less and less. Therefore, the opening price of this kind of stone in the public auction is often several times or even dozens of times the reserve price."

Even gods cannot tell the quality of jade, and masters can make mistakes. Stories about gambling on jade can be found everywhere. Legends of wealth and stories of ups and downs are only a minority. Most of them are rational investments based on the combined effect of experience, vision and financial resources.

Gambling on jadeite or gambling on goods refers to when jadeite is unearthed, the jadeite raw stone is covered with a layer of weathered skin, and it is impossible to know the quality of the inside. The jadeite must be cut open to know the quality of the internal flesh, which is called gambling on stone. No one can tell what's inside a piece of jade that has not been opened, except for its shape, weight and surface. Only by cutting it open can we get a definite conclusion. According to statistics, the annual transaction volume of jadeite jade purchased online and in physical stores in my country reaches tens of billions of yuan, but eight out of ten of them are inferior products passed off as good ones. Except for the three major old brands of jadeite, it is basically difficult for ordinary buyers to buy real and high-quality A-grade jadeite rough stones. People who gamble on stones rely on their own experience and the appearance of the stone skin to repeatedly guess and judge. When two or more people put forward different opinions, they will gamble and cut the stone, which is called "stone cutting" or "stone cutting" in the industry. After cutting, if a good green color appears, it is called "rising", otherwise it is called "collapsing". Gambling on stones is a concrete manifestation of gambling on financial strength, talent, courage and character.

First of all, when identifying jadeite raw stones, you should pay attention to whether there are small skin rubbed out on the large pieces of raw stones. Rubbing a small piece of leather is also called rubbing a small mouth or opening a small window. Such materials generally have more cracks, more defects, or uneven lengths, so we dare not open a large window or rub off more leather. At the same time, we must also pay attention to the characteristics of the original stone cutting and the lid. When you encounter a cut piece of raw stone, especially a piece of jade with green on it, you must look at the cut cap. Sometimes there is more color on the cap, while the color on the main body of the raw stone is very sparse, which shows that the closer to the inside of the jade material, the less color there is.

We also need to be careful about fake black sand. People who are familiar with the industry know that materials with black sand-like skin are very likely to contain high-quality emerald green inside. If they are rubbed into small holes, they may look very green from the surface, but in fact the raw stone is not jadeite. Not only that, the full green at the cut point of the material is not a sign of the authenticity of the jadeite. Even if it is real green, you cannot only look at the opening, because the opening is the best part of the entire piece of jade. It is necessary to make a detailed inspection of the entire piece of jade and measure its value from the perspective of craftsmanship. Pay attention to the traces of green left on the jade material.

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