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Can the crack of jade repair itself?
No, my mother's crack hasn't been repaired automatically for years. The following folk prescription analysis of its original appearance, there are generally the following methods to repair jade:

1, split in two. After some jades are damaged, designers and sculptors always think skillfully according to the degree of damage, and then divide the original carving into two or more independent or related small pieces on the basis of the original work. This kind of restoration, because it will not be abandoned generally, reduces or makes up for the original loss, and even the value of the restored jade is not inferior to the original.

A few years ago, the author saw an agate sculpture "Fu Lu Shou Xing" in a collector's room, which was composed of red bats, sika deer of different colors, Xiantao and a long-lived old man. It is very eye-catching. Later, I went to see that there were "Shouzhu Xingshou" and "Sika Deer" on the case, but there was no "Fu Lushou yesterday". After careful observation, I realized that it was not the owner's. Although the broken front legs of sika deer have been transformed by shrinking their legs and waiting for striding forward, grass and miscellaneous stones are naturally carved around the deer, which still gives people a complete feeling.

Gao Qing jade pendant is very precious, and some collectors accidentally dropped it, and as a result, it became a pair of two unique earrings after repair.

Not long ago, shanghai jade carving factory restored a jade ornament of carp yue longmen. This ornament was originally composed of carp, dragon, dragon gate, water wave and weeds, with a complete and clear theme. Because a carp and water waves and weeds were cracked, the original theme no longer existed, and it was revised into two independent works, Lucky Carp and Dragon Playing with Pearl.

White's "Hehe Erxian" consists of fairies and so on. It is also wonderful to repair it into two pieces of "Liu Hai Xi Jin Chan" after cracking.

The following is a set of interrelated portfolio works:

White's Five Children Entering the Academy is based on the three-character classic. Its internal meaning is "Dou Yanshan has a righteous side, teaches five sons and is famous all over the world". The original work consists of an old man and five children, and it is also used as a metaphor for five lovely animals such as chickens. Because it is not a whole, five shapes appear in space, so it is easy to be damaged. Jade carving artists have handled countless restoration works. "One method used by the sculptor during the restoration is to carve the other four children into independent sculptures, and then connect them with mahogany bases and jade, thus combining them into the original Wuzi Deng Ketu, which is not inferior to the original, but with an additional base.

2. Gold inlaid with jade is a common process in the jewelry industry, such as inlaid rings, diamond rings, inlaid necklaces and earrings. Gold inlaid with jade is easily reminiscent of the saying of "a good marriage" in the novel A Dream of Red Mansions, which is an auspicious sign. Moreover, gold and stone are very precious, and the color matching is also very harmonious, so it is very harmonious at all times and in all countries.

Jade inlay is not only a traditional craft, but also a skill applied to the restoration of jade. For example, jadeite and white jade bracelets are originally smooth and round. Only when they are broken will there be a gold hoop on the ring. Some damaged jadeite and jadeite ornaments can even reach the level of perfection and exquisiteness, without showing a trace of flaws. Its scars and cracks are completely covered by the gorgeous carved gold appearance and the unified and harmonious combination of jade and jade. We once saw a dragon and phoenix cigarette holder carved with high green jade in an antique shop in the late Ming and early Qing dynasties. It is said that this used to be the personal belongings of an old general. Due to years of changes and wars, the old general was very upset and called several jade craftsmen to discuss how to repair it. At that time, two schemes were put forward. One is that the cigarette holder has become shorter after the transformation. Second, gold is embedded in both ends of the cigarette holder and cigarette butt, which not only maintains the original size, but also does not affect the use. The old general supported the second plan. As a result, this expensive jade was reduced to a golden dragon head and a golden phoenix mouth, with harmonious colors and no traces of repair, and still without losing the style of rare treasures.

3. Re-trimming This is a clever re-creation on the premise of covering up and making up for the damage of jade articles.

In their long artistic career, the masters of art have created and accumulated many wonderful methods to deal with unexpected events and make up for them again, such as "removing the high to make up the low", "removing the fat to make up the thin", "making up the bad with the bad" and "making up the broken with the broken". In the early 1970s, we saw a beautifully carved white jade crab pot, which was a rare masterpiece: the pot body was white and the crab shell was orange; The basin is thin and transparent, with vivid crab shape and exquisite carving. Unfortunately, there is a small hole pierced in the pelvic floor, which is obviously accidentally stabbed. As a result, the value of the whole work suddenly declined. Later, after careful consideration by the master of art, the master of art broke through the convention and turned the white jade basin into a flat basket made of rattan: cooked crabs were placed on rattan craft utensils, which made the folk customs more rich and reasonable.

The retouching method is also widely used in today's sculpture industry, but it requires a high degree of sculptor's design, because it has no evasive law and can only be used flexibly according to the specific situation of the work. It is quite difficult to be surprisingly innovative and leave no flaws.

4. Fracture bonding

Jade fracture is also repaired by gluing in modern times, and it is well repaired, even "shoddy". Mr. Li Gengfu, a collector in Taiwan Province Province, once introduced an example. One year, he bought a piece of jade cong of Shang and Zhou dynasties in Hong Kong market, which was light yellow. After going home for a period of time, I watched it carefully with a magnifying glass and found a crack running through the corner of Li Lao's jade cong.

Generally speaking, after a jade article is damaged, it will only be bonded when it is uneconomical to repair it in half or it cannot be carved again. The general operation flow of this bonding method is as follows: firstly, the cracked surface is carefully cleaned, then the high-efficiency adhesive (polyvinyl acetate floating agent or epoxy-based resin) is evenly coated, then the original position is carefully aligned, and the cracked adhesive is strongly bonded, and then it is wiped with acetone. During curing of the adhesive,

5. Make up for the deficiency of jade carving pendant. Some people accidentally fell and touched only a small piece, but after all, they were disfigured, so people thought of how to "reshape" it. The way is to make up for it. There are two ways to make up: one is to make up. Many years ago, a friend gave a cicada ornament of the Ming Dynasty, which was as big as a peanut shell and as white as sheep fat. The sculptor is exquisite and vivid, and it is the top grade.

Jade carving is usually filled with synthetic resin mixed with talcum powder, painted on the missing part and decorated with plastic carving. In order to make the color of the repaired part consistent with the color of the surrounding jade, the same color and the same color raw materials of the repaired jade should be ground into powder, such as malachite and lapis lazuli. It is also useful to mix raw materials of the same color into the filler and then fill it.

The filler of cicada ornaments is not synthetic resin, but made of sealing wax and blending pigment, and then the wax surface is smoothed with a hot knife and polished slightly. Because it is very small, it is difficult to find missing parts.

Besides making up, you can also make up. Some jade articles have been left for many years, and one of the tiny but key "parts" is lost or knocked down carelessly, resulting in a sense of incompleteness. The remedy is to make a "part" that is the same as that on the jade, use synthetic resin talcum powder as a tonic or the current scientific substitute, flip the mold for injection or use high-temperature oxygen blowing to connect the missing part. Because "part"

There is a tourist shopping center in Shanghai. A chain or crystal hexagonal lotus lamp is displayed in its window cabinet, which is beautifully carved and generous in image weighing. The three long chains are particularly eye-catching: each chain is a 18 knot, which is uniform in size and naturally hangs from the top cover to the hexagonal lotus shoulder. One day, an old gentleman from the jade carving factory accompanied the foreign guests to visit and was also amazed at this work. When the clerk took this away.

In this case, the work loses its original value. Generally speaking, although it loses a lot in economic value, it can still retain most of its original appearance in artistic appreciation, which can also be called a method taken when it is impossible.