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According to the color, Hetian jade is divided into seven kinds of white jade, white jade, sapphire, jasper, ink jade, sugar jade, and topaz; according to the formation conditions, it can be divided into three kinds: sub-material, mountain material, mountain water and so on. The difference in color and traits has led to differences in the value of various Hetian jade. Today we mainly talk about Hetian Qingyu and Jasper.
In terms of color alone, Hetian Qingyu and Jasper are quite similar, so that many jade friends sometimes suffer from the difference between the different jade and jasper. In this regard, Xiaobian has synthesized the following three points, hoping to help everyone.
Let us first talk about the characteristics of each of Sapphire and Jasper.
Sapphire is the largest known type of Hetian jade. It has very good toughness, large block size, fine texture and good oiliness, and is often used to make large pieces of utensils.
Jasper is a kind of translucent spinach green Hetian jade. Its color and structure are usually not uniform. It often contains ribbons and chromophores formed by the dyeing of epidote, magnetite and other materials.
First, the composition is different:
The content of tremolite in sapphire is higher, and the content of erectite is less. Therefore, in terms of fineness, sapphire is better than jasper. Due to the relatively simple composition, the sapphire is usually fine in fineness and fine in texture; the jasper is caused by uneven structure, resulting in different particle sizes, and the particles in the darker color are usually larger.
Second, the color difference:
The color span of sapphire and jasper is very large. The sapphire is divided into shrimp green, snot green, Yang Liuqing, bamboo leaf green, etc.; jasper is made of spinach green, but it is still green, dark green, dark green, green and black.
Generally speaking, the color of sapphire is evenly distributed with obvious blue-gray; the top grade spinach green of jasper is green and green, with some green mulberry in the green, under the illumination of the sun, with a magical luster. In addition, jasper often contains punctate black mineral crystals, which is unique to jasper.
Third, the price:
In general, the price of jasper in the market is higher than that of sapphire. This has a certain relationship with the storage of jasper is relatively small, and the impurities are so high that the utilization rate is not high.
However, there are some more prominent varieties in the sapphire, such as a characteristic black sapphire. This characteristic black sapphire is usually a sub-material, which is almost black under normal light, and the internal structure is fine and uniform, with very good jade texture and oiliness.
What we said above are some of the most common and practical identification points, but we do not rely on any mechanical means to identify the jade and category of Hetian jade. To a large extent, we still have to rely on our own eyesight and feel, so we recommend The vast number of jade friends, encountering objects that are really inaccurate, in addition to consulting veterans, may wish to take a trip to the identification department.
To identify the jade and jade of Hetian jade requires constant experience and accumulation. If you want to go further on the road of collecting, you must have solid theoretical knowledge and rich practical experience.
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