Hetian jade is the result of the creation of the gods. It is unique only to Hetian, Xinjiang, China. Its origin is on the north slope of Xikundun, Xinjiang, China, above the snow line at 4,500 meters above sea level. What are the characteristics of such a precious Hetian jade?
Hetian jade features one: great toughness
Toughness is extremely important for jade, and its toughness is large, it is not easy to break, and it is wear-resistant. It has great benefits for the artistic shape and fine carving of jade. Toughness is the hardness of impact, and some hardness is very high, while Hetian jade hardness is not as high as diamond and crystal, but the hardness is very high. According to the determination, Hetian jade has a compressive strength of up to 6542 kg/cm 2 .
The toughness is the grinding hardness, and the Hetian jade is a tremolite jade, and its toughness is its characteristic. The toughness of tremolite jade is the largest in jade, which is the most important feature of Hetian jade, which is unmatched by other jade. Second, it is a tremolite, the particle size is extremely fine, and it has a felt-like structure.
Hetian jade features two: for tremolite, very fine grain size, with felt-like structure
There are two types of amphibole in the world: tremolite and actinolite. Hetian jade is a tremolite, and its mineral composition is tremolite.
main feature:
First, the content of tremolite is extremely high, generally above 95%, of which white jade is 99%, white jade is 98%, and jade is 97% (95%-99%). In the same type of tremolite jade in the world, Hetian jade The stone content is higher.
Second, there are very few impurity minerals. Generally it is 1% to 3%, and more than 1%.
Third, the mineral has a very fine particle size and is microscopic and cryptocrystalline. The tremolite minerals are fibrous, needle-like, and leaf-like under a polarizing microscope, and are long columnar and short columnar fibers under a transmission electron microscope.
Fourth, the structure is typical of felt, the particle size is uniform, and it is interwoven into a felt. This is an important reason for the fine and dense texture, and this structure is rare for other types of jade.
Hetian jade features three, fine texture, gentle
The texture is a comprehensive representation of the quality of the jade, including shape, degree of moisture, cracks, impurities and so on. Due to its mineral composition and structure, Hetian jade has determined its texture.
appears in:
First, because of its extremely fine particle size, the texture is very delicate, which is what the ancients called "small and sorrowful", which is beyond the reach of other jade.
The second is warm and moist, that is, it has the luster of oil (fat), giving people a sense of moisturizing and softening. It is the so-called "warm and moist" of the ancients. The sheep fat jade is famous for its jade moisturizing like sheep fat.
Third, there is moderate transparency, that is, “the head is goodâ€, it is slightly transparent, and the jade pieces that are formed are watery and angry.
Fourth, there are very few impurities, and some reach the level of innocence, and the inside and outside are the same. It is what the ancients called "there is no cover, and Yu does not cover up", or "the corner is ignorant and can be known."
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