The so-called "old pit glass" is the kind of jadeite that we want to introduce to you today. It is a kind of jade. It is divided according to the "water head" of the jadeite. It is also the most transparent jade. The texture is fine and pure, without flaws, and has the luster of glass. Divided into "white glass" and "color glass". Colored glass is extremely rare, and both are the best in jade.
The glassy jade texture is pure, delicate, free from impurities, cotton, and the sound of the knocking green body is crisp. The glassy jadeite mineral crystal particles are microscopic and granular, the particle size is uniform, and the smallest average grain size of the crystal grains can be less than 0.01 mm. From this calculation, 10,000 mineral particles are evenly distributed over an area of ​​1 square millimeter, so the naked eye observes It is impossible to have graininess and no brittleness.
The texture of the jade material is pure, delicate, and has no cracked cotton pattern. The sound quality of the jade body is crisp, which is quite consistent with the traditional saying of jade gold sound. Jade has high transparency and glass luster, giving the overall feeling as clear and transparent as glass, so it is called "glass type". Under normal circumstances, all kinds of glass are from the old pit, so the industry often calls it "old pit glass." The old pit glass species is the essence of hundreds of millions of years in the mountains and rivers. The so-called "" in history is mostly the old pit glass.
As the name implies, the bright, crystal-clear jade like glass and crystal is called glass jade. It is a kind of polymer with high purity and crystal grains ranging from fine to cryptocrystalline. It is dense and solid, polished to a glass surface. You can Seeing that it has a slight greenish or blue-flavored fluorescence on the side, the stronger the fluorescence, the better the germplasm and the higher the toughness than the general jadeite.
Generally speaking, the glass type jade does not have color. The creation of the heavens is like this. The color is not given to the seed, the color is not given, the water is clear and there is no fish, and there is no color without impurities. If it is colored, the color is in it. Glorious, the color will be bright and transparent, and its value at that time is another matter.
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