"Boss, aren't you kind, why is your broken stool worth three thousand yuan! And this wool, in the calcite shop over there, it's only three or four hundred, you're too dark! Together you will be given a maximum of two thousand five, if you don't sell it, forget it! I'll buy someone else's! Zhang Wufeng deliberately bargained.

These businessmen are shrewd like ghosts, and once you don't say a word to take them, then basically you can't take them away, because these people have problems guessing with their eyes closed.

Hundreds of dollars or thousands of dollars, with the ability to see through the jadeite in the wool, do you still care about this money? But things are not so simple to buy!

The most important thing for Zhang Wufeng is to fall in love with the red fei in this stone bench, but he can't go straight to the topic! It's about making a mistake first, and at the same time doing a superficial job, who knows that no one is watching?

This jade wool market, the surface is calm, but in fact, the undercurrent is turbulent, and Zhang Wuhao is dead, Zhang Wufeng absolutely does not believe that Zhang Zhengliang will not monitor him!

"Two thousand five? Little brother, it seems that you still don't understand, this thing, less than three thousand, you can't talk about it! Let's put it this way, although this thing looks like it's all scrap, but this stool, it's cold and cold to sit on, and the whole body is comfortable, it's really a strange thing! I estimate that I will lose 3,000 yuan for this thing! Let's talk about these two pieces, yes, scrap, yes, but what are the gambling stones for? It's a gamble! Can you guess and see what's going on inside, so why do you still buy it? It is entirely possible for this inconspicuous gray and gray sand to produce high-grade jadeite, and the old pit goods, five hundred yuan is already the cheapest price! It's like that everywhere you ask!

As for high-grade jadeite, let's put it this way, the color must first have a certain concentration. It is a dark color, but it is dark but not dark, and the color is bright and pure, that is, the color is not gray, and the uniformity is good. In addition, the texture is more delicate and the transparency is better, that is, the glass floor. Of course, even if they are all called old pit species, their quality is relatively high and low, some have higher transparency, some have slightly worse transparency, so the value is also different, but in any case, as long as it is a more attractive jadeite variety, it is often used to make high-end jewelry.

As for the reason why it is called the old pit species, there is a reason, the Chinese concept, the older the jade, including jadeite is the most beautiful, including darker color, better transparency, in addition, this texture jadeite is mostly found in Myanmar's secondary deposits, and Myanmar jadeite secondary deposits were mined earlier, so it is called Laokeng. The old pit and the new pit are actually divided according to the successive years in which the jadeite was discovered and mined, and from a geological point of view, they are the same geological age in which they were formed underground. The secondary deposits deposited by the river were deposited by the river during the Quaternary period, and it can be said that the deposits were formed later.

It is a fact that some connoisseurs have found from long-term practice that the jadeite in the 'old pit' is of better quality and has more moisture. The jadeite found in the river sedimentary deposits is of good quality, high color, fine quality and good transparency, which can be reasonably explained from geology.

In fact, these phenomena that exist in jadeite deposits are also present in other gem deposits, such as diamonds in placer mines, which are of better quality than primary deposits.

This is because the primary ore deposit actually has a variety of ores of different quality, which are transported by water flow and deposited into secondary deposits, and some poor quality, such as cracked, coarse-grained, loose-structured, and impure jadeite will be naturally sorted and eliminated. The last ones that remain in the riverbed are mainly jadeite with a tighter texture and finer structure. This kind of jadeite is often more transparent, but it is not caused by the entry of water, water can not enter the jadeite crystal, the quality of the jadeite in the old pit is better, it is because of this relationship.

The skin on the surface of this jadeite is due to the fact that when the jadeite is exposed to the surface, it is subjected to the oxidation and hydrolysis of nature to precipitate some iron and manganese and become a kind of iron oxide or manganese oxide attached to its surface to form a shell, just like the knife that is not often used, its surface contains oxidation and rust.

It can be said that the jadeite in the 'old pit' is of better quality, but there are also better quality jadeite in the new pit, but there are relatively few of them. That's what it turns out to be unsorted! Now, you get the idea, right? ”

The boss gushed out, this level is indeed very 'professional', in order to be able to sell the stool for 3,000 yuan, he really shocked Zhang Wufeng and Su Ru when he flickered!

"Okay, boss, for your professional knowledge, it's only four thousand, and let my friend pick two or five hundred yuan, and I'll give you five thousand together!" Listening to the boss, the kid also learned a lot! Zhang Wufeng said seriously and gratefully.

Indeed, these are things that most people would tell others, although they are very basic and superficial.

"Haha, Cheng, little brother is refreshing! Little girl, you choose! The thin black man glanced at Su Ru, and then hurriedly didn't look at it much, this scar, he was a little numb and his heart hurt.

"Su Ru, choose two pieces to try." Zhang Wufeng said with a smile. He had already put a few pieces of green wool in front of him, and with Su Ru's surname, most of them would choose the wool he had given up before.

Sure enough, Su Ru did not refuse, and casually picked up the two relatively cheap pieces that Zhang Wufeng gave up before and sold them for five hundred yuan: "Just these two pieces, I thought you wanted to choose these two pieces before, I believe in your vision." ”

"Well, okay, boss, that's all!" Zhang Wufeng said arrogantly, then stretched out his hand to his trouser pocket, and with a sweep of crystal power, he had already divided five thousand pieces and stuffed them into the hands of the thin black man.

"Hehe, thank you so much! Well, you're not familiar with this business anyway, so I'll take advantage of the interest and tell you some more basic knowledge. The thin black man said with a smile, obviously this handful of five thousand yuan is pure earning, and he is very happy.

"Okay, then we're listening!" Zhang Wufeng nodded happily.

"Well, this jadeite, first of all, is to identify, put the jadeite under a fluorescent lamp, observe its color change, A goods and C goods do not change, B goods are fluorescent, white. C goods have been dyed, so their color is distributed along the cracks, and the distribution is uneven, which can be seen by the naked eye if you observe carefully.

The so-called A jadeite is a natural jadeite, which is a natural jadeite that has not undergone chemical treatment and has a natural color and fruit.

B goods jadeite, bleached jadeite, is a jadeite that has been cleaned and injected with strong acid, and strong acid soaking and cleaning help to improve the transparency and color of jadeite.

C jadeite, dyed jadeite, is jadeite that has been artificially colored, usually with organic dyes or inorganic dyes.

B+C jadeite is jadeite that has undergone strong acid cleaning and glue injection and artificial coloring treatment at the same time.

In terms of evaluation, color is the first factor in evaluating jadeite, and the standards to be achieved for good color are: positive, strong, yang, and even.

Positive refers to the range of hues, according to the ratio of the primary color to the secondary color, that is, to be pure green, not mixed with other colors. For example, there is often a mixed oil blue color in the oil blue, and the value will be reduced.

Strong, refers to the shade of color, as far as emerald green is concerned, the concentration is best between 70% and 80%, and 90% is already too strong.

Yang refers to the brightness of the jadeite color, and the brightness of the jadeite is mainly determined by the proportion of green and black or gray in the jadeite. The color will be bright if there is more black or gray, and the color will be gray and dark, and connoisseurs often take a figurative approach to represent the color of the bright sun. For example: boxwood green, parrot green, onion heart green, pepper green, all refer to the color of fresh yang. Spinach green, oil green, river green, and black green refer to dull dark green.

The fresher the jadeite, the higher the natural value.

Uniformity refers to the uniformity of the color distribution of jadeite. The color distribution of jadeite is generally uneven, and it is not easy to get jadeite with uniform color distribution.

The best color of jadeite should be pure green, green concentration in 70%-80%, bright Yanyang, uniform color distribution, this kind of high-grade jadeite, connoisseurs are used to calling the old pit species. And the old pit species, I explained it to you before. ”

"Boss, I once read a book that said, 'You don't look at jade under the lamp', why do you say that you observe under the lamp?" Su Ru thought for a while and asked.

"Well, in fact, no jewelry should be evaluated for color under a lamp. For jadeite, this is even more important. This is because the color of jadeite, especially the color of jadeite such as shimmer gray, flash blue and oil blue, is much better under light than the color effect under natural light. Therefore, under the light, you can only look at the cracks of the jadeite, the length of the water head, the degree of reflection or other characteristics. In natural light, the green color of the jadeite should be observed and evaluated. The fluorescent light I am talking about is a kind of light that can reflect the obvious different colors!

You must know that 'the color difference is one grade, and the price difference is ten times'!

For high-grade jadeite, the price difference is probably more than ten times. For example, a 500,000 yuan jadeite ring face and a 5 million yuan jade ring face, jadeite quality, style, size, water, flaws, are first-class, impeccable, the key to the price difference between the two is the level of green. And how to recognize and distinguish the various differences between emerald green is extremely important, at least to see and experience.

For the purchase of jadeite rough, 'more look' is a process of selection, a process of comparison, and a process of accumulating and verifying experience, which is the premise of 'buying'. 'Buy less' is not not not buying, but reminding you to 'see' before buying.

For the green shape characteristics of the jadeite rough, the green green of the "one line" and the "one piece" rely on the skin green, which are two manifestations of the same green shape, and the difference between the "line" surname and the "piece" surname. The thickness of the 'line' is known, while the depth is unknown, and the area of the 'sheet' is known, while the thickness is unknown. The key to these aphorisms is to remind people not to be confused by the green 'more' and 'less' on the jadeite surface, but to recognize the essence of green 'surname' and 'lying surname'. Therefore, it is not true that you don't buy a large piece of green jadeite, but remind not to have excessive expectations for the thickness of the green. ”

The thin black man said seriously.

Zhang Wufeng immediately glanced at this person, this person's level is indeed good, he can talk like this, it seems that although he is a shrewd businessman, he is still good, of course, a stone bench sells for three thousand, and it is indeed dark enough!

"Hehe, it's really better to listen to the boss than to read for a few years! Thank you for the boss's teaching, we have listened carefully to these in our hearts, and we will definitely come to you when we buy wool in the future. Zhang Wufeng said gratefully.

"Haha, little brother doesn't have to be so polite, well, I'll help you carry the stones to the car. I can't solve the stone in this small stall, if you want to solve the stone, there are gambling stone shops in the center of the street and on both sides, which are equipped with professional grinding wheels and cutting machines, you can go there. The thin black man said, and immediately began to pick up the wool. Except for the stone bench that was a little bigger, the others were just trivial, and before Zhang Wufeng moved, Su Ru had already picked up a piece of wool and sent it to the car.

After a few pieces of wool were packed in a bag and placed in the trunk of the car, when they returned to the car, the two subconsciously looked at each other and smiled, but the sensitive Su Ru still lowered her head with low self-esteem at the next moment.

In front of others, Su Ru does not have such an inferiority complex, but in front of Zhang Wufeng, she can't control this.

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