Just today, people are very familiar with Hetian jade, "What is jade in the end" is still a very controversial subject, which seems to return to the original point, let us look at several views in the dispute: The first one, represented by "Ci Hai", Liu Zhiqing and other scholars, proposed that "warm and beautiful stone" is jade. This is the traditional view that "the beautiful stone is jade", and there is a gap between it and Xu Shen's "the beauty of stone has five virtues." The second type is represented by the current "Jewelry and Jade Standards": "Mineral aggregates produced by nature, with aesthetics, durability, scarcity and process value, a few are amorphous." This is an international standard. The attitude, but many experts pointed out that this definition has the shortcomings of "undefinedness of concept", "connotation is not the essential attribute of jade" and "actual inoperability". The third, represented by Damour and Ouyang Qiumei, is considered to be a delicate and tough mineral aggregate. This definition is more from a scientific point of view, and most people are not easy to understand. Does it have a definition that is both scientific and inheritable, but also easy to understand? Jade definition of jade school: jade is a fine, warm, tough and pure beauty stone. Delicate: delicate and easy to understand in life. It is scientifically related to jade structure and is a general term for the size, shape and combination of crystals of jade minerals. In the aspect of identification, it can assist the instrument measurement or visual inspection after professional training. Fineness is the fundamental property of jade and the basis of warmth and toughness. Warmness: Warmness is different from mineralogy, which is related to the diffuse reflection effect in jade and the aesthetic quality of jade in traditional culture. It is one of the essential contents of jade beauty. Toughness: Toughness has both mineralogical hardness and toughness and durability characteristics, as well as strong, tough and tough character. Many so-called jade and gemstones are often strong but not tough or not strong. Purity: Purity is one of the basic requirements of jade. If it does not meet this requirement, it cannot be called jade. Although this is similar to gemology, it has the characteristics of jade. For example, the idea of ​​"young yoga and seeing" and the application of "successful magic". Beautiful stone: Beautiful stone is a beautiful stone, easy to understand, and inherits the definition of Xu Shen. It is also the connotation of mineral aggregates and the attribute of natural output. At the same time, Meishi also has "the connotation of craft use." Taken together, this definition takes into account science and tradition and is easy to follow. Therefore, the quality of jade is first of all delicate, moist and pure, coupled with a variety of colors, is the jade, only to grasp the essence.
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