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What is the development of jade in china?
Jade has a history in China of at least four thousands years. Unknown to some, jade is found contained within the development of religion and civilization, having moved from the use of decoration on to the others such as the rites of worship and burial. Although other materials like gold, silver and bronze were also used, none of these have ever exceeded the spiritual position that jade has acquired in peoples' minds - it is associated with merit, morality, grace and dignity. In the funeral objects of the people of the Western Han Dynasty (206 BC - 24 AD), for example, we can see only? material were buried with jade articles.
Jade has influenced all walks of life. In ancient times, people expressed abstract notions with concrete patterns of Chinese character, which were influenced by Taoism and Buddhism. Jade craftworks were among the most precious and luxurious ones; people wore and decorated rooms to indicate loyalty, elegance, beauty, and eternity. The most popular patterns were: peach (longevity), mandarin duck (love), deer (high official ranks), bat (blessing), fish (affluence), double phoenixes (thriving), bottle (safety), lotus (holiness), bamboo (lofty conduct), and fan (benevolence), etc.
In Chinese, jade is pronounced as 'Yu', and most words related to moral include this word such as 'Unpolished jade never shines,' indicating that one cannot be a useful person if he is not educated. Jade also implied honor and conviction. Many girls in ancient times were also named with jade to reflect the love of their parents. One of the Four Beauties in Chinese history, Yang Yuhuan, the beloved concubine of Emperor Xuanzong in the Tang Dynasty (618 - 907), was their representative. Yang is her surname and her given name Yuhuan means simply 'jade ring'.
People believed that jade was the expression of the most beautiful stone. A beautiful piece can be more valuable than fifteen cities and a man's life. Historic records tell of a story about a stanch man named Bian He who had a piece of jade called 'Heshi Bi' which was said to be the most priceless treasure in history. However, when Bian He discovered the piece, it was hidden under the veil of the coarse stone in which it laid. He did not dare to carve it but instead dedicated it to the King of State Chu. He never knew that he would pay two legs for his dedication, for the king did not know the real value of the jade and cut Bian He's legs off. He cried for three days and nights. Afterwards, the new king heard of him and wanted to see whether his jade was as precious as he said. When the jade was cut, all were startled by the delicate quality. Very soon, it became a national treasure and was called 'Heshi Bi'. So precious was the stone that it even became a source of conflict between the Qin State and Zhao State.
Jadeite
As early as the 16th century, Jadeite was believed to be a precious and hard jade with healing qualities for the human stomach and kidneys. Since it was brought into China during the early Qing Dynasty (1644 - 1911), it had been doted on greatly. Jadeite contains an iron component which appears red, chromium that appears green, and many other colored types. Known as the 'king of jade', it is usually a more expensive type of jade.
Nephrite Jade
Nephrite's robustness is due to the fact it contains tremolite. It also can be divided into several sub-classifications according to color: white, grey, green, topaz, and black jade.
In China, the most reputable jade producing area is Hetian in Xinjiang Province. Hetian jade is so hard that it can scratch glass. It has often been found in very huge pieces. An example of this is the huge jade hill on which the grand scene of Yu the Great leading people to control flood is elaborately carved. It was 5,350 kg weight (11,795 pounds) when it was completed. Now this artwork is displayed in the Forbidden City.
Serpentine jade, or Xiu yu in Chinese, is mainly from Xiuyan County in Liaoning Province. Made of many different ingredients, it takes on various appearances: white, yellow, light yellow, pink, green, dark green, light green and so on. This type of jade is usually coloured in various shades of green. Usually serpentine jade is semi-transparent or even opaque like wax.
Lantian jade is produced in Lantian County, north of Xian in Shaanxi Province. It was also among the most charming ancient jades, for its rigidity made it easier to be carved into decorations and jewelry by our ancestors. The hue is uneven in colors of yellow or light green.
Nanyang County in Henan Province is famous for its abundant Nanyang jade. The ore district is located on an isolated 200 meter high hill, called Dushan Hill (thus its other name of 'Dushan jade'). It is distinctive for its whimsicality. Among the Nanyang jade artworks, you will find rare purple, blue and red ones.
Appreciation and Maintenance
Experts believe that, although more expensive, diamonds and gold cannot be compared with jade - jade is animated with a soul. They often buy to collect their favorite jade artworks, while people with little knowledge of jade may buy coarse works.
To obtain a real and choice jade article, you should take pains to learn and appreciate it. The criteria lie in the brightness of color and luster, compactness of inner structure, and the delicacy of the craftwork. For example, nephrite creates an oily luster and jadeite creates a vitreous luster. Tiny cracks can lower the value of jade; on real jade, air bubbles cannot be seen; the more lenitive the higher quality of jade, and so on.
Having purchased a jade article is just half the process of collecting. Jade is like a child that needs constant care. Enthusiasts need to work more to maintain this artwork, or blemishes may appear.
First, avoid bumping on hard surfaces as jade is delicate. Although sometimes a crack cannot be seen by the naked eye, the interior structure may have been damaged. As time goes on, it will appear and reduce the value of the piece.
Second, protect jade articles from dust or greasy dirt. If tainted, they must be scrubbed with a soft brush and light suds and washed with clean water.
Third, when left unused it is best to store the jade in a case or box to protect it from being bumped.
Fourth, jade should be kept away from perfume, perspiration or chemicals. The brightness of jade risks corrosion, especially emerald and other high quality jade, so it is better to clean it with a soft cloth after wearing it.
Fifth, do not expose jade to sunlight for a long time, or it may expand and the quality will change slightly.
Finally, jade has certain water content so keep it in an area of humidity to protect it from over-drying.
The Jadeite showing up on market presently can be classified into A jade, B jade and C jade.
A- jade indicates the natural jadeite without undergoing any artificial treatment, alteration or enhancement. Such a kind of natural jadeite does not change with the passage of time. It can be preserved forever and wears well.
B- Jade is defined as the natural jadeite having undergone a process of acid treatment, removed the impurities and impregnated with colloidal silica or resin. Normally, this kind of jadeite will turn out yellow gradually in 5-10 years of time and then the surface color will come off due to the ageing of resin or colloid. Meanwhile, the composition of inherent texture of jadeite has been destroyed during the acid treatment which affects immediately its durability.
C-Jade is specified as the natural jadeite having undergone artificial treatment, colloid impregnation plus adding the new pigment substance.( We say dyed color) We may also say that not only its internal texture has been undermined but also its internal color was artificially added in.
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