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The splitting of jadeite is to be explained separately. The occurrence of splitting on jade and jade will directly affect the value of jadeite. The splitting is a crack on the jade jade. Any crack on the jade represents a flaw, and its collection value is naturally greatly reduced. The presence of cleft palate often causes damage to green and sometimes even irreversible effects. Therefore, when we identify jadeite, we must understand and understand the characteristics of various clefts, fully understand the cleft of jadeite, and understand the cleft of jadeite can also fully understand the value of jadeite.
Cleft palate is a crack on jade. There are many reasons for cleft palate, such as the influence of cold and heat changes, external collisions, pressure changes and extrusion, and man-made damage that cannot be avoided. Because of the different causes of splitting, the characteristics of splitting are also diverse. There are several ways to divide cleft palate: it is generally divided into large sputum and small sputum according to the size. According to the degree of cracking, it can be divided into open 绺 and 绺. The opening 绺 here is the meaning of splitting. It is characterized by obvious lines and will crack under a certain amount of force. The joint 绺 is the meaning of closure, that is, the 没有 without cracking, its two sides can still be tightly joined together, not on the surface of the jade, there is a certain thickness from the surface, although the crack can be seen, but it can not be used hard Open it. Generally speaking, large cockroaches are mostly open cockroaches, and small cockroaches are mostly shackles.
The name of the cleft palate is generally named according to the size, color or characteristics of the cleft palate. The common ones are usually the following: broken clams: a small cleft that is a semi-opening. It is a messy and scattered group of small baboons. The color is white, so when it is expressed in green, it has a great influence on the color of the jade. It is a kind of splitting that directly harms the value of jadeite.
Intercepting green cockroaches: It is the cockroach that intercepts the green of the jade. One day, it can block the long 延伸, which has a direct impact on the beauty of the jade.
Invisible 绺: There is only one waterline or no trace on the jade, but it is very obvious after unraveling. This kind of cockroach is called invisible cockroach.
Tongtianyu: It is a cracked large cleft. In most cases it is white and there is no dirt on the day. Because it runs through the jade, it is called Tongtianyu, a kind of crack that can not be remedied by complete cracking.
Evil: Like its name, it is a cracked large cleft, so it is called evil. It has color, such as red, black, yellow, white, etc., and the cracks are mixed with scale and mud.
Xiao Yan: Like the name, a small joint. Without color, it is a small flaw, but if it appears in green, it will have a greater impact on jade.
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