Twilight refers to the change of color and surface structure caused by the erosion of a certain material after the jade is buried in the ground for a long time. It is also called "dip" in the peers of the flea market and the cultural relics store. ". There are yellow earthworms whose color is yellow, and the name is yellow; those who are affected by the green are blue, and the name is blue; those who are affected by lime are red, and the name is childish; The name is purely black; there is a blood-stained person whose color is red, and the name is jujube-red; if there is a bronze plaque, its color is green, and the name is cockroach green. The twilight on the ancient jade is related to the soil quality of the buried area in the burial time.
The ancient jade collection needs to be trained, the basic characteristics of natural ochre and artificial ochre. The artificial dyeing of jade is a major craft of jade manufacture, which has appeared in the Warring States period. Since the Song Dynasty, artificial dyeing has gradually evolved into an important means of jade carving for the old antiques. From the Song Dynasty to the Qing Dynasty, it lasted for nearly a thousand years, and the methods were various. Some ancient jade was even dyed in ancient times, and later buried underground. Natural ochre appears. Therefore, it is really difficult to grasp the ancient jade's twilight. However, it is still a bit beneficial to understand the basic knowledge of jade's natural twilight and artificial twilight. How to identify the basic characteristics of natural twilight and artificial twilight?
Natural enamel jade, regardless of the depth of the engraving and the unevenness of the lines, its uniform color, that is, the engraving is prominent and has a ochre, and the low concave surface also has the same ochre. However, the same jade will have different colors of color due to the erosion of different materials in the buried soil. The surface of the jade jade often has fine textures on the surface of the corrosion scars and soil spots. Some of the scars are deeper and deeper, and even destroy the original Carved patterns.
Artificial enamel jade, due to artificial dyeing using the rapid method, so the dyed color is often unnatural with the jade color, dyed in jade skin or jade texture. Some of them have a branch of jade texture due to heating, and the dyeing penetrates into the texture and looks like a network. This is more common in Xiuyan jade. Most of the dyeing of the same jade shows only one color, and only the depth will change somewhat. The color of the baked jade is generally too orange or too black, and the surface is bright. The baked color is often colored on the individual sides of the jade, and the color is baked on the plane of the engraving, while the deep recessed part of the engraving is difficult to bake the color, so it can be identified that this is not a bandit. Due to the heating of the fire jade, there are cracks on the surface of the jade. The overheating will have a deep crack and the texture will appear loose. Some of the white is gray, some are yellow, and some of the jade will be unburned.
Mens Padding Jacket,Men Winter Jacket Padding,Mens Winter Jacket,Men Sleeveless Padded Jackets
Shaoxing Moonten Trade Co., Ltd , https://www.moontenshirts.com