What are the criteria for identifying the quality of Huanglongyu?
Huang Longyu identification? How is Huang Longyu identified? Huang Longyu was originally called yellow wax stone. It has the color of Tian Huang and the hardness of jade. Compared with soft jade such as Hetian jade, it has better hardness, higher transparency and more vivid colors. Because of its production in Longling, and the main color of yellow, it was finally named Huanglongyu. Huang Longyu has always been loved by collectors. But how to identify Huanglongyu is really a headache, the following is the author to sort out some specific criteria for identifying the quality of Huanglongyu, for the majority of Tibetan friends to learn. Step / method Yellow dragon jade color Huanglongyu mainly uses yellow and red as the main color. It often presents a variety of colors due to the type and content of trace elements. Huanglongyu also has multiple colors. The color is also commonly known as color, and its color should be rich (rich), positive (sharp), positive (pure), and (soft). The texture of Huanglongyu The texture of Huanglongyu can be defined as the combination of structure and transparency of Huanglongyu. The specific combination of transparency and structure is a type of texture. The structure of Huanglongyu refers to the degree of crystal crystallization, particle size, relative size, crystal shape and the relationship between the crystals of Huanglongyu, and the transparency refers to the light of Huanglongyu. Permeability. Huanglongyu is a collection of cryptocrystalline minerals. The finer the texture, the better. The performance is good, the texture of the seeds is delicate and soft, and it has a silky texture. Although some grains in the jade are not visible to the naked eye, they can be clearly felt during the polishing process or the washing degree of the seed material. The "species" are general, and if the grain is visible to the naked eye, Then rated as poor. The quality of the species directly determines the value of Huanglongyu, so this is an important criterion for judging the quality of Huanglongyu. According to the change of the transparency of Huanglongyu jewelry, it is divided into five levels: transparent, translucent, translucent, micro-transparent and opaque, which are represented as T1, T2, T3, T4 and T5 from high to low. Our glass Tumblers are lead-free, safe and healthy for your drinking, they're used for water drinking, whisky drinking, jucie drinking and liquid drinking.
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