2. Jade workers hold electric handles to punch holes. This kind of hole is more common in the hollowing of high relief, round carving and jade, especially the hanging rope hole. If there is no special grinding, they are basically straight holes.
3. Hand drilling is circular, while mechanical drilling is straight. Are they polished and carved by hand? Jade has wear marks, such as wire drawing process and cutting jade.
Extended data:
Identification method of common sense of life
Identification method of water: drop a drop of water on jade, if it is dewdrop-shaped, it is real jade; The water droplets disappear quickly, which is a fake.
Touch by hand: If real jade is touched by hand, it will feel cold and lubricated.
Inspection method: Jade faces bright places, such as sunlight and light. If the color is clear and the green is evenly distributed, it is a real jade.
Tongue licking method: the tip of the tongue licks the real jade, which has a astringent feeling; Fake jade has no astringency.
Magnifying glass viewing method: put the purchased jade under a magnifying glass to see if there are cracks. The jade without cracks is the best quality jade, followed by cracks. Even if it is real jade, the value of cracks is greatly reduced. The more cracks, the more obvious and the lower the value.
In addition, if you don't have relevant knowledge about jade, or you don't have much confidence in buying good jade in the informal market, then when you go to see and buy jade, you'd better bring friends who know how to see jade to prevent you from losing money.
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