What issues should be paid attention to when buying Hetian jade seed material?
1. Hetian jade seed material has 99% of different material cracks or a little impurity, so the jade is called crack or sputum. Generally, the cracks and the more obvious spots will be modified at the time of work, and the existing small cracks are in the normal range without affecting the appearance of the jade and its firmness.
2. Traditionally, the production of Hetian jade raw materials is divided into mountain materials, mountain water materials and sub-materials (seed materials), and their market prices are quite different. However, there is no specific indicator or reference for the identification of the occurrence, and some characteristics of the occurrence can be artificially imitated, which has greater uncertainty. Therefore, when you spend a lot of money to buy "seeds," you should carefully consider them.
3. According to the relevant appraisal standards, the appraisal certificate issued by the quality inspection organization will not indicate the occurrence of Hetian jade, and the result of “ziyu†will not be issued, but sometimes the word “pebble shape†is used in the description of the raw material form.
How to buy the finest Hetian jade seed
The collection of Hetian jade seed material is a common hobby of many Tibetans, but as the jade material is reduced, the mining difficulty becomes larger, and the seed material is very rare, so you can buy a good Hetian jade. Seed material is a lucky thing, then how to buy Hetian jade seed material?
It must have the six elements of type, purity, skin, fineness, crack and stiffness to be called the superior Hetian jade seed. If these six elements are not available, the value of the crafts carved with this Hetian jade seed material will not be too high.
Type: You can't buy those kinds of seeds that are in the shape of a twist. If you buy such a seed, it will have a great impact on the engraving in the future. It is difficult to make a fine product.
Pure: When purchasing, you should look at the purity of the seeds, there must be no impurities, no cotton wool and other materials, and the layout is well-proportioned.
Leather: Skin color is the most important choice for purchasing seeds. Because of its beautiful color, it has high value. Of course, it is necessary to distinguish whether it is artificial dyeing.
Fine: Fine refers to how the hand feels when touched, and whether there is a delicate and moist feeling. The finer the particle layout of the seed, the finer the texture is.
Split: As the saying goes, the phrase "ten seeds and nine cracks" is correct. Good seeds should not be cracked, at least not. The tiny cracks may only be attached to the skin phase, and it is not a big problem to go back and process. But the crack is too deep, it is basically waste seed.
Stiffness: Also known as stone, it is the rigidity of the already necrotic jade that is not formed. Because Hetian jade is soft, it is difficult to emerge, but it is necessary to use strong light when buying. If there is a stiff place, the position is opaque.
In summary, the purchase of seed materials should pay attention to the shape, no cracks or deep cracks, fine leather, no flowers and no stiffness, can guarantee these points, basically can buy a good jade seed.
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