Secondly, there are many kinds of real jade. Many times, even on a stone, there are two different prices, including the quality of jade, the style and technique of carving.
A jade Guanyin in 50 yuan may be the real jade. But the color quality is definitely not as good as the 500 thousand jade Guanyin in the jewelry store.
Some experts told me that jade is always cold to the touch, and it is still cold if you hold it with your tongue for half a minute. There is another thing called water head. Simply understood, it is another layer of transparent film on Hao Yu's head. The color comes from the middle, which makes the film turn from light to green. The brighter and cleaner the film, the greener the center color.
But at present, I still hear that industrial workshops can produce the effect of water head.