There is no definitive standard definition for the interpretation of the word in the old pit. Some say that it is the old pit, and some say it must be colored. But for consumers sometimes do not need to fully understand when buying, is the overall evaluation of the price of jade, kind, color, water, work, goods, comprehensive evaluation, not a single point can be counted. Old pit emerald features Compared with the new pit jade, the old pit jade is older, the texture is fine and hard, the internal structure is dense, the color is pure and uniform, the water head is full, the glass is shiny, the transparency is very good, mostly translucent to transparent, and in the high-grade jade. Most of the old pit emeralds. There are also top grades in the new pits, but the relative number is small. Reasons for good quality of old pit jade In the eyes of the family members, it seems that the emerald is the older the better. When it comes to the year of jade, the first thing to do is to understand the concept of old and new in this time. This new and old refers to the geological science formed by jade under the ground. What is the age of the family? Or do people refer to the succession of jade? Or is the year in which people bought the finished product for storage? The old pit and the new pit are actually divided according to the years that people discovered and extracted jade. According to the geological point of view, the geological times they formed in the underground are the same. The secondary deposits of river sediments are formed by the rivers transported to the riverbed during the Quaternary period. It can be said that the deposits formed later are later. Some experts have discovered from long-term practice that the quality of the jade in the "old pit" is good and the water is also sufficient. This is a fact. Is it because water is soaked in the river for a long time, and the water is formed into the crystal? In fact, this is not the case. The jade found in the river sediment deposits is of good quality, high in color, fine in quality and good in transparency. For this situation, a reasonable explanation can be obtained from the geological reason. In fact, these phenomena exist in the jade trampoline, and other gem deposits also exist. For example, the diamond in the sand mine is better than the original deposit. This is because the primary deposits actually have various ore of different quality. After the flow of water, they are deposited into secondary deposits, some of which are of poor quality, such as cracked, coarse-grained, loosely structured, impure jade. Will get natural sorting and elimination. The last remaining in the riverbed is mainly jadeite with relatively tight texture and finer structure. This kind of jadeite is often more transparent, but it is not caused by water entering people. Water can't enter the jade crystal. The jade quality of the old pit is better because of this relationship. This layer of skin on the outer surface of the jadeite is due to the fact that when the jadeite is exposed to the surface, it is oxidized and hydrolyzed by nature to cause some iron and manganese contained in it to precipitate as iron oxide or manganese oxide attached to the surface to form a The layer shell, like the knife that is not commonly used, has the same surface as oxide rust. It can be said that the quality of the jade in the "old pit" is good, but there are also jadeites with better quality in the new pit, but only relatively few. This is the result of no sorting. Old pit kind jade misunderstanding Misunderstanding 1: Old pits and new pits are old and new. Many people think that the formation time of the old pit species is earlier than that of the new pit species. In fact, this is not true. From the geological point of view, the old pit species and the new pit species are the same in the underground formation. In the morning and evening, only the time of mining is different. Myth 2: I think that the old pits are all glass and ice. The best quality recognized in the jade world, the most valuable is the old pit glass, glass, ice is a typical old pit species, but the old pit does not necessarily reach the level of glass and ice. Old pit jade price For the high price of jade, I believe that everyone is also slightly heard. At the same time, people also know that the older the jade is, the more valuable it is. The older the wine is, the more expensive it is. The quality of the old pit jade is also good or bad, so the price gap is also inevitable. The price of old pit jade varies from a few thousand to a million, but not all of the old pits are all fine, and there are also old pits with low color and luster, and low transparency. By the same token, there is also a good quality jadeite in the new pit jade.
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August 19, 2022