Hetian Meiyu is famous in the Kunlun Mountains of the "ancestor of Wanshan" and is famous both at home and abroad. Xinjiang Hetian jade has a warm and delicate texture, rich in color, less pure impurities in jade, and stronger oiliness on the hand. It is a kind of high quality jade.
First, color identification:
Hetian jade's economic value is based on color and texture purity. Its main varieties are: white jade, containing more than 95% of tremolite, white color, pure texture, delicate, lustrous and radiant, which is an excellent variety of Hetian jade. In the prosperity period of several jade articles in the Han Dynasty, the Song Dynasty and the Qing Dynasty, the selection of materials was highly valued, and the quality white jade was often carved into a "heavy weapon".
Sheep fat white jade, the top grade in white jade, the texture is pure and delicate, containing 13% of tremolite, white color, showing the luster like luster, the same weight jade material, its economic value is much higher than white jade, Han Dynasty, Song Dynasty and Qing Emperor Qianlong Extremely praised sheep fat white jade.
Sapphire, light green, green, gray and white are called sapphire, rich in reserves, is the main species of jade collection or mining.
Topaz is named as dense wax yellow, maroon yellow, okra yellow, yellow yellow, egg yolk according to the change of color. The dense sallow yellow and maroon yellow are extremely rare, and their value can be matched with the sheep white jade. In the Qing Dynasty, due to the homonym of “yellow†and “emperorâ€, it was extremely rare, and the economic value exceeded the fat white jade.
Sugar jade, sugar jade is often found in white jade or vegetarian jade, known as two-color jade material, can be made into "fancy jade", hollowed out with sugar jade carving seed material, called "gold and silver wrap", can also add value .
Ink jade, the black spot is dense and dense, called pure paint ink, and its value is higher than other jade varieties. It mainly contains dispersed carbon or graphite and is grayish black or grayish black and white. If it is completely black, it is called jade.
Jasper: Dark green (spinach green) with a thick texture. In addition to the production of jasper in Xinjiang, the jade craftsmanship in China and the nephrite produced in foreign countries are also collectively referred to as jasper.
Xinjiang Hetian jade seed material generally has a skin color, which is a layer of yellowish brown or very thin brown skin, which is caused by oxidation. Judging from the skin color, the quality of jade, such as autumn pears, tiger skins, deer skins, etc., is often the best white jade.
Second, the degree of warmth:
The warmth of Hetian jade in Xinjiang is the first feeling. The moisturization of Hetian jade is as the ancients said, "the body is like gelatin, the essence of light is rich, and the quality is thick and warm." A good piece of Hetian jade, the first thing that gives you the feeling is like a "condensation", just like a person, the temperament is not exposed. Hetian jade is cold on the face, but it looks like it is warm, and the feeling of gelatin is of course moist, not dry.
Third, transparency:
Hetian jade is slightly transparent to translucent. It has a light-transparent light to the light, but it is not very transparent.
Fourth, look at impurities:
Hetian jade is formed in nature and has experienced many strong geological effects. It always contains a little impurity, and there is very little “no flawâ€.
Fifth, look at the hardness:
Hetian jade has a hardness of 6-7, and can not be inscribed with a steel knife. The jade with similar hardness has jade, Dushan jade, chalcedony, etc., which can be distinguished by other features.
Sixth, look at the proportion:
Hetian jade has a specific gravity of 2.9-3.1, which is heavier than the common rock (2.5-2.7 specific gravity) and has a heavy feeling of pressing hands.
Seven, listen to the sound:
When the blockiness and thickness of jade, jade or jade are appropriate, it will make a crisp and pleasant sound after tapping. Other jade sounds of the same shape are different.
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