The cultural connotation of Chinese ancient jade articles includes not only the design art, the grinding process, the written records, but also the rich value, etiquette function, religious function, economic value and decorative function of the ancient jade.
Ancient jade has "three bogey" and "four fears". Liu Datong said in "The Jade of the Ancient Jade" that the so-called "three bogey" refers to the ancient jade "bottle oil", "taboo", and "no pollution". The so-called "four fears" refers to the ancient jade "fear of ice", "fear of fire", "fear of ginger water", "fear of anger".
Avoid oil: ancient jade should avoid contact with greasy, because the oil will block the fine pores of the jade, so that the lime in the jade can not be withdrawn, the jade will not be radiant, revealing the so-called "clear".
Taboo: The chemical components contained in helium or sputum, such as halogen salts, have a certain corrosive effect on jade, resulting in damage to jade, so the ancient jade should avoid contact with the stolen goods.
Avoid pollution: the ancient jade is not similar to the oil, that is, the pollution will make the "Tumen" occluded, and the lime soil in the jade can not be withdrawn, and even the turbidity. Therefore, wash your hands before playing jade.
Fear of ice: If the ancient jade is often near ice, or frozen, the color will not live, there is no sense of moisture, which is called "dead color", and even the jade may crack and cannot be saved.
Fear of fire: If the jade is often close to fire or heat, it may cause the "color paste" to fade. The color paste mainly refers to the surface gloss and transparency of the jade. The ancient jade is heated near the fire, especially at high temperatures, which can lead to cracks and can also damage the jade, thereby losing luster and reducing transparency.
Fear of ginger water: contact between ancient jade and ginger water often makes the existing twilight dull. Do not use ginger water to remove the earthworms or rancid gas from the unearthed jade. If it is soaked for too long, it will make the jade body numb. Even if you continue to "play", it will be difficult to remedy.
Fear of shock: the so-called "fear of anger" means that when the wearer is frightened or accidentally drops the jade on the ground or collides with the hard object, the weight is broken and the bone is broken, even if it is invisible, it does not mean It is intact. Because of the impact, the internal structure will always be affected. Even the tiny cracks that are invisible to the naked eye are hidden dangers of jade.
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