Comprehensive classification of Hetian jade

Hetian jade can be divided into 6 categories according to different colors, including: white jade, green white jade, sapphire, topaz, jasper, and jade. Among them, the part that is particularly good in white jade (special white jade) is named as Yangzhiyu. In addition, there are some names of over-species, such as sugar white jade, sugar sapphire and so on. This classification method is simple, intuitive and easy to understand, and is very practical for the identification of Hetian jade finished jade. This is the identification standard currently implemented by Xinjiang Gemstone Testing and Identification Center. The national standard has not been so detailed, and it has only been identified as Hetian jade. Most of the appraisal institutions in the mainland have only been identified as Hetian jade, and its name is: "We are implementing national standards."

One thing that must be made clear is that Xinjiang's “local standards” are also more specific rules within the framework of “national standards” and are by no means “personal standards” that conflict with “national standards”.

The following is the master of the Xinjiang Gemstone Testing and Research Center, Yue Yunhui, in the identification section of Hetian jade, answering the comments of the users.

The appraiser Yue Gong answered: 2005-5-1010:01 (Xinjiang Baoyu Stone Testing Research Center)

National standards are just principles and frameworks and cannot cover much.

We are not using local standards, but the "inspection rules" - "Hetian jade (nephrite) identification and classification naming method rules" according to relevant national regulations and national standards.

If the local testing center does not have relevant rules, it can only be identified according to the national standard framework.

We will reprint a section of the article entitled "Heavenly Treasures and Tian Yu's Collected Works" by Xinjiang Senior Association Consultant Yi Shuangting on Hetian Jade.

"Because of the urgent need of the market situation, Hetian jade must have a unified classification standard. The Xinjiang Gemstone Association has organized a number of Hetian jade classification seminars and has been included in the work plan as a research project of the association. The classification standard of Hetian jade text should also be matched with the comparison of physical specimens, so as to make reference to Hetian jade in the unified understanding of classification."

For the research work on the identification of Hetian jade, is the department in the mainland doing this like the Xinjiang Baoxie? I have not seen the relevant reports yet. "Compatible with the comparison of physical specimens, in order to make reference to Hetian jade in the unified understanding of classification", the qualification institution in the Mainland has such conditions? I have not heard of it yet.

The significance of the identification of Hetian jade. First of all, it can play a certain role in regulating and guiding the market. For example, if you encounter a good Hetian white jade in the market, the merchant said that this is a sheep fat jade. You said that it is not a sheep fat jade. If this jade has a certificate of formal professional appraisal agency, the two people will not have to swear. Look at the appraisal conclusion of the appraisal certificate, and then compare it with the real thing. In most cases, it can be understood. Secondly, classification and identification are conducive to guiding jade lovers to correctly understand Hetian jade. For most jade lovers and general "players", it is very good to distinguish whether it is Hetian jade. It is really difficult to distinguish between sheep fat jade and Hetian white jade. This is for general appraisal institutions. It is also difficult. Therefore, the vast majority of appraisal institutions in the Mainland only identify Hetian jade, which does not distinguish white jade or suet white jade. This is probably one of the reasons why the “national standard” does not identify sheep fat jade.

When I think about it, the "national standard" can rename "soft jade" to "Hetian jade". It is no small progress, at least not completely copying the foreigners, and has a taste of "national standards." The identification of no sheep fat jade is also very wise. If you really want to set up an identification of sheep fat jade, then no matter which appraisal institution, if there are conditions and conditions, you will be given a "salty jade". Appraisal, the trouble can be big, then what standards are not like, but people can still say: "We are implementing national standards."

Local standards are also good, national standards are worth mentioning, and the controversy lies in the point of Yangzhiyu. So, is there any sheep fat jade? The answer is yes, yes. In the Qing Dynasty, it was earlier than the Qing Dynasty. It was there in the Han Dynasty. At that time, there are of course. If you don't believe it, you can look at the ancient jade collected in the museum. Compare the ancient sheep fat jade with the current sheep jade jade identified by the Xinjiang Gemstone Appraisal Center to see which one is more white, which is more oily and which is more delicate. In a word, which is more like sheep oil. In fact, Yangzhiyu is just a title, a visual name, and it is a continuation of a traditional culture. If you cancel it, at least it will cause a historical and cultural shortcoming, and even hurt the emotions of many people.

A piece of texture is better and Tian Baiyu, as long as the whiteness, oiliness, fineness, and the feeling of a certain thick and heavy gas, it is almost, what is called a title. However, these several observations, comparisons, and judgments are not telling you, you can grasp them immediately. In this case, the identification conclusion of the identification certificate plays a role, you can identify those who are identified as sheep fat jade. , and those who have not been identified as sheep fat jade repeatedly to see which is better. In the store where Hetian jade is operating, if he says that there is no sheep fat jade at the moment, then you can look at his best Hetian Baiyu, and then go to the shop with the sheep fat jade to see the white jade and the sheep fat there. Jade, from white cleanliness, oiliness, fineness, macro thickness, these aspects to see which is better. This is the most pragmatic and most effective way, and only then will your level of appreciation continue to improve. Hetian jade is a gentleman jade. He likes Hetian jade. He also wants to talk about the gentleman's grace. The beauty of the sheep fat jade is extraordinary. Appreciating the sheep fat jade also has a little extraordinary demeanor and eyesight. Do not be tempted, do not raise the bar, let alone believe in rumors on the rivers and lakes. Those who do not admit this point, mystification of the sheep fat jade, the sheep fat jade vain, part of the temperament, most people are clouds, of course, there are also ulterior motives.

It is said that the identification of sheep fat jade cannot be quantified, and so on. This is the feeling of affection. I ask you, does the diamond "4c standard" know? At least two of the four standards cannot be quantified, only the weight can be quantified, the cut is OK, and the clarity and chromaticity are quantified. Still not a comparison! You don't understand, you don't have mastery, you can't do it yourself, it doesn't mean that people's standards don't work. The standards of foreigners can be compared. They use science. They use "international standards." Chinese standards cannot be used in comparison. Chinese people use them unscientific. Chinese people use them as "local standards." Even the "personal standard", what logic do you say this?

For those with ulterior motives, there is no need to say more here. The spoiler will be there at any time. It is determined by the nature of their villain. If he does not, there is no such thing in the world. Others have it. He will find various reasons to negate. Believe them, you can only play "stone", certainly not good Hetian jade.

So, what is the sheep fat jade? My answer is very simple. The fat jade is the visual name of the particularly good white jade in Hetian jade. Have you eaten your steamed bread? Sheep fat jade is like a strong powder in flour, not a standard powder or a common powder. They are all white, the former is definitely much better than the latter. A more authoritative explanation, or look at the discussion of the master of the Xinjiang gemstone testing and appraisal center, Yue Yunhui.

"Sheep white jade, as the name suggests, is like the jade (commonly known as sheep oil) jade, then it must be white first, of course, it will not be white like white porcelain. Most whites will have a little color, can not be said to bring a touch of faint The color tone is not the white fat of the sheep. The explanation of the modern gemologist is: high-quality white jade, its color is white or white, slightly light blue, milky yellow, etc. The texture is fine and moist, and the oil is good. There are a few impurities such as stone flowers.

Popular description: If the concept of white jade is a university, sheep white jade is a key university."

Master Yue Yunhui said enough to understand? We not only admire, but also learn. But there are also people who don’t buy it. The current society is a diversified and disorderly world. The more the rats are, the more dare and the celebrities are clamoring. The street rogues who dare to spread are dare to say that Master Yue’s argument is “personal standard”. Don't say that people also have fans. Many people who don't know the truth really treat such people as "connoisseurs."

In this lecture, we talked about the characteristics and classification of Hetian jade. In the classification, because of the controversy about the sheep fat jade, my focus is on the sheep fat jade, and other details are not detailed here. . In the next lecture, we talk about the origin of Hetian jade.

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