Is the jade old pit a good new pit, is that really the case?

People say that the fate of jade and everyone is determined, and which jade belongs to you, can resonate in an instant. When buying jade jewelry in a jewelry store, I often hear the store owner say that this jade year is older, higher in color, and more watery; the piece is not vintage enough, tender, light, and dry. In their opinion, the emerald is older. The better. So is this really the case? China Jewelry Merchants Network Xiaobian takes you to understand the real situation.

When it comes to the old and new of jade, Xiao Bian feels that everyone must first understand the concept of the two. Does it mean that the jade is formed under the ground, that is, the era of geologists? Or do people refer to the succession of jadeite, or is it the year in which people bought finished products for preservation?

What is the old pit jade?

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 were formed by river transport to the riverbed during the Quaternary period, and it can be said that the deposits formed earlier in time.

Some experts have discovered from long-term practice that the jadeite in the "old pit" is of good quality and the water head is also sufficient. This is a fact, especially the old pit glass type jade, the price is particularly high. Under the same conditions, the price of the old pit glass jade bracelet is several times or even several times higher than the new pit.

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.

What is the new pit jade?

The so-called "new pit" refers to the pits where the jadeite veins formed later, away from the above-mentioned veins. Because of the younger age, the open-air formation time is not enough, so most of the texture is rough, the water head is short, and some people also add the jadeite ore, but in fact most of the "new pit" jade ore is from the tens of meters deep Lie out!

The most representative one is the jadeite vein called "83 pit" by insiders. Because it was discovered late, and the output is quite large, the raw materials used to make jade jewelry are mainly from that mining area. The real old pit deposit has been exhausted due to the excavation of several generations.

Rational treatment of old pit jade and new pit jade

In fact, as long as you pay attention to it, you can't find out that some of the folk collections of jadeites are the collections of grandfathers and grandmothers, but the real kind of good is rare. You must know that the jadeites at that time are all old, "old pits". .

Therefore, although some of the old and old pits have a good quality of jade, the vague old field and the old pit are synonymous with good texture.

The old field and the new field are only to discover the time of the field, not the order of mineralization, and the relationship with the jade texture is not absolute; the old pit is only mining time is relatively early, the same reason, especially the same area It is not surprising that the new pit is better than the overall output quality of the old pit. Even in the same pit of the same mouth, it is divided into many layers, and the texture between layers can be very different. This is the old-fashioned theory that can't be justified.

Therefore, it is unreasonable to over-exaggerate the new field to carry the old field. The quality of the jade is mainly due to whether the species is old enough (geological mineralization is not familiar). Fields and pits are nothing more than a reference to success probabilities and feature attributes when gambling, and an auxiliary background in the operation of finished products. For the finished product, what you see is what you get, you shouldn’t go to the old pit in the old pit, and it’s a new pit.

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