Chapter 1574 Going to class


Chapter 1574 Going to class

"Hey! I'm right!" Chai Rongbin was as happy as a primary school student who was praised by the teacher, but the prize was given to himself: "It's settled, I'll treat you tonight , Lion Tower!”

“Let’s talk about the characteristics first,” Lao Li said with a smile: “It’s a rare opportunity, Teacher Xiao Zhou will teach us!”

Zhou Zhi smiled and said: "Now look at the base and glaze. Everyone has already reached a certain level, so let's talk about some advanced ones."

"In all blue and white porcelain, Su material is the easiest to identify and the most difficult to imitate, because of its four major characteristics - halo, tin spots, beading pattern and grid pattern. ”

"In fact, the reason for these four characteristics is that although Su material has the brightest color and is the most stable, due to ancient craftsmanship, the powder is not ground finely enough."

"Because the powder is not ground carefully enough." The material is not fine enough, and when it is melted at high temperature, it will easily cause haloing and flowing. This is the first characteristic; After flowing, cobalt ions re-condensed to form a beaded pattern; iron ions re-condensed to form tin spots; tin spots crystallize during the formation process, and when magnified a hundred times, they form a grid pattern.”

"These four characteristics, at least until now, have not been completely imitated. In addition, Su Liaoqing Because of the unique color of flowers, among all the blue and white porcelain, the easiest one to identify is the Su material blue and white porcelain.” The blue and white of folk kilns made of Su materials are basically open at a glance, so as long as you look for this, you basically can't buy them. If you suffer a loss, you can't be fooled."

Chai Rongbin smiled and handed Zhou Zhi: "This idea is what you taught us back then, 'I would rather eat all over the world with one trick than buy fresh food everywhere'. I really benefited a lot. Qian. I hit the road right away. Looking back now, it was a big loss. ”

"It's not too late to start now. Although it's a bit difficult to get official kiln wares before Daoguang, there are still opportunities for those after Daoguang, as well as some monochromatic glazes from the Song and Yuan dynasties. "Zhang Cheng also expressed his views.

“Let’s talk about the blank period.” Zhou Zhi said: “Because most of them are folk kiln wares, the production of the body and glaze is relatively rough, and the cutting is not regular.”

"The base of the blank period utensils is a major feature. Generally speaking, there is a tendency to gradually widen. The foot is wide and deep, which is a common feature of folk kiln utensils in this period."

"Bottles and jars The bottom of the early type is unglazed. During this period, most round vessels had glaze bottoms, while sand bottoms became rare. Due to the decline in craftsmanship, the marks on the bottoms of bowls and plates were obvious. "

"The carcass of the orthodox period was mostly thicker. , the fetal bones are fine, white and firm. It is difficult to make the base glaze pure white due to impurities. Most of them are bluish white, and the glaze layer of this type of base glaze is bright and moist. A few glazes are yellowish, and this type of glaze often has a glaze color. Open the film.”

"After Jingtai, porcelain began to have both thick and thin textures. The color of the porcelain changed from white to gray. The glaze was white and bluish in the middle, and the glaze layer was as thick as fat. By Tianshun, the color of the porcelain began to become white or gray, with green in the glaze. The smell is reduced, the whiteness is increased, and the glaze becomes smooth and smooth. The color of the surface, interior and bottom glaze of the utensil is more consistent."

"This. It also shows that the social production force began to recover at that time, and after a sudden decline from the peak of the Yongxuan period, it re-entered the Zhongsheng period of Chenghua. "So if we want to find the authentic high-quality porcelain from the Jingtai, Tianshun and other dynasties, we have to look for Da Da. Most of the objects are large jars, plum vases and other large objects. Because large objects are more difficult to make, they may be from old official kilns. Most of the small items produced were products from private kilns. "

"Then due to the almost collapse of society, the porcelain industry declined seriously, and the porcelain bodies were obviously not as good as those in the Yongle and Xuande periods. Fine, the porcelain body of the late Yuan Dynasty has begun to show the phenomenon that the porcelain body is not washed out finely. There are many black flaws in the body, and there are usually obvious large-scale fires at the bottom. Stone red and fine sand bottoms are already rare. ”

“The Su material blue and white became scarce at this time. Without long-term aging and lack of the requirements of excellence in the Yongxuan period, the glaze and body have also deteriorated. Therefore, it is often not like Yongxuan, but closer to Yuan Qinghua, and many experts often confuse it. ”

"Although most of the blue and white hair colors are similar to the Suma Liqing in the Yongxuan period, there are also a few parts that have pure blue hair color or gray hair color due to the decline in the ability to control the restoring environment. There is also a phenomenon that the local The use of blue and white glazes, and even the use of local blue and white glazes and Su materials mixed together, therefore rely solely on glaze color It is biased to judge blank period porcelain by using it.”

“But these are the knowledge after further advancement. We don’t need to worry about it at the moment. We just need to pay attention to the Su material that opens the door. That sentence..."

"I would rather eat it all over the world than buy fresh food everywhere!" Now everyone knows it.

“But this situation is actually not necessarily bad. At least the natural mineral raw materials used in ancient times had too many impurities compared with the raw materials of today’s Jingdezhen imitations, but instead showed various traces that cannot be copied. New imitation porcelain cannot be made.”< br>
“In addition to Yuntang hands and floral features, the shape of the vessel is also the key to distinguishing the front and the back. We all know that the shape of Yongxuan blue and white vessels is graceful and noble, so the shape of the vessel is more plump and majestic, and it is also the symbol of a prosperous dynasty. Weather.”

"In Chenghua, porcelain became more refined and elegant. The glaze began to become thinner and the shape of the vessel became more slender and beautiful."

"So there were two blue and white porcelains from the three dynasties during the blank period. As a reference, the porcelain of the Zhengtong Dynasty should be based on the Xuande ware. The shape of the porcelain is similar to that of Xuande porcelain. Tianshun porcelain should be identified based on the Chenghua porcelain. After all, the two dynasties were connected, and the change in porcelain firing process and painting style did not happen in a day or two. "
< br>"As for Jingtai in the middle, his style is between the two Among them, it is the most difficult. Therefore, you don’t need to consider these for now. If you can classify it into the Zhengjing period or the Sedum period, you are already better than 95% of blue and white porcelain enthusiasts.”
< br>"Then the characteristics of my pine, bamboo and plum jar are Obviously, it’s similar to General Yongxuan’s large jar, and the glaze is thicker. If you choose between Xuande and Chenghua, it’s obviously more of the Xuande Dynasty style.”

“Yes,” Zhou Zhi said with a smile. "This is a big decision point."

"There is also the simplicity of the picture. Xuande's denseness makes it sparse, which is especially obvious on the flower theme." Zhou Zhi said: "This jar is obviously more relaxed than the picture layout of Xuande porcelain, but it is less clear than Chenghua's." The blank space is too far away, and although the painting is not detailed, the brushstrokes are still quite smooth, so it can still be judged that it is more inclined to Xuande."

"And more evidence lies in the details."
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