Purchase Of Raw Materials How Jade - Jade - Jewelry Industry
Jade materials are difficult to identify, mainly because there is a thick layer of skin
, the child opened the door and wipe the mouth of raw materials can not be fully representative of the good and bad block. Therefore, in the time of purchase, and the whole piece of jade material from the incision to examine whether there are green, green might go, how much green, the color of the prejudiced and the degree distribution, strong, light, sun, and water and the length and how much contact to crack in consideration. However, it is best to see how much the number of green, not green when the water is better when the water to see whether there is a good crack lock impurities. When the purchase of raw materials and more from the bad like. Thought of losing some how.
1, large jade materials rub a small mouth, be careful when I see green. Skin are in general expected to be bricks at low prices Standard To buy.
2, jade material capped mouth, fracture, wound, wiping mouth, such as green well, but not Polishing Be careful. Such materials are often split over lock, bottom gray, green is not correct, bad or green water within the black and other reasons, it is not polished.
3, jade material, especially high-grade jade material goods before watching, look for the owner in the jade green, the left many traces of digging friction. These marks are not the Green Lot. If a piece of green jade everywhere looking for signs of when to be careful.
4, emerald cut or see a large green full of green, said to be careful, the public has "not afraid of a line, I'm afraid a large area" (meaning green). The large green is often along the direction of the knife parallel to cutting direction due to the green. In fact the thickness of only a thin layer of green only.
5, Ruo Yu has cut a piece of material, be sure to purchase the Institute to open that little bit down. From two of the commissure to observe whether the large green jade material may be extended.
6, Myanmar's jade material produced, quality vary greatly due to different origins, so we must grasp the characteristics of emerald origin.
7, in the purchase jade material, it is necessary to find the emerald skin ringworm, Lin, Songhua, which shows the performance may have green skin.
8, in the purchase over the Green Pigment Should master the water is good or bad influence on the make finished products, or may not ensure this. If light can enter a few centimeters to jade material, the green beauty of a good crystal is very transparent, but do not a high-end ring surface, that if they ring surface may even colorless green light, it must grasp the relationship between water and green. In general, in the noon sun to enter the emerald cut within 6 ~ 3mm is good, use the thickness to adjust the thickness of its best color.
by: gaga
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