All the standards for selecting jadeite are applicable to all of the jade, but there is only one big premise: when looking at color, clarity, and water, you must use the transmitted light to illuminate the ink. Remember the following 诀çª, the choice of ink is no longer a problem. .
color
Under natural light, Mo Cui will present a pure black color as a whole, but when it is light-transparent to observe the ink, the whole will be green. When projecting ink with glare, the greener the color, the better, and evenly.
net
The net is pure, although the appearance of the ink is black, but there should be few impurities inside. Under strong light, the higher the light transmittance of the ink, the better the black spots, white cotton and other impurities.
just
Good ink green will show a very strong luster after polishing. Therefore, it is necessary to see whether the polished ink surface is highly reflective, and the stronger the reflection, the higher the hardness and the better the compactness.
work
Good quality jade is usually not carved. Carved in the emerald, it depends on the craft is not enough delicate. Whether the face of the Buddha or Guanyin is symmetrical, whether the figure is full, and whether the wrinkles are elastic.
Species
The so-called species is the germplasm of jade. Mo Cui needs light to see the jade germplasm. The smaller the particle size, the finer the better. On the contrary, the grain size is large. Just like other jadeite species, it is not precious enough to be delicate.
hidden
The engraver seems to use the change in texture to create more layers, but some of the matte-treated Mo Cui will hide many impurities and white cotton in the matte part, so it needs to be carefully observed.
Three steps to judge good ink
Light-transparent color: Through strong light, the high-quality ink will show a very uniform green or gray-green.
Light-transmitting texture: uniform texture, no or few internal inclusions such as impurities, spots, white cotton.
Reflective look gloss: holding the gemstone slightly rotating under the light, the surface is polished with a silver-gray luster (reflective light).
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