1, because genuine dzi beads have the whole whitening process, and the bleached beads can be completely opaque, so "the more translucent the beads, the harder it is to maintain."

2. Due to the particularity of the second-level mosaic etching process, the totem on the surface of the bead can't be very clear, so "the clearer the edge of the totem line, the more you should look carefully". ?

3. The brighter the surface, the closer it is to porcelain. Don't buy it. The shopkeeper here uses the word "buy" instead of "please raise", because almost all the beads with smooth surfaces like porcelain are fakes. ?

4. Pay special attention to some beads with potholes and depressions on the surface. Such bamboo is most likely a modern imitation pearl. The reason why he looks weird is to pretend to be an "old pearl" and make huge profits!

Extended data:

1, dzi beads have a strong magnetic field, and each of us also has a magnetic field in our bodies. The powerful magnetic field contained in the dzi beads can help us to enhance the magnetic field in the body, strengthen the operation of the gas field in the body, absorb and purify the dirty gas inside and outside, and turn it into useful gas for us, so as to protect us from external evil, improve the harmony between body and mind, stimulate free and calm wisdom, and then improve people's mind.

2. Some people think that the dzi beads are placed in the financial position at home, and the magnetic field can gather gas; Some people spread dzi beads under the floor to purify the whole magnetic field at home; Some people even put the rubble of dzi beads in the bathtub and soak it in dzi beads water for bathing. The purpose is to balance the acidity and alkalinity of human body and restore fatigue by using the generated negative ion water.

3, dzi beads have incredibly powerful positive magnetic energy, which can increase human immunity, promote blood circulation, gas field circulation, and open meridians, which is enough to make people full of energy and vitality, and naturally has an effect on preventing hypertension. It is helpful for people who are busy with work and have no time to do sports.

4. The dzi bead should be a natural and beautiful stone dug by the first people with "eye worship" or "circle totem", which makes the body comfortable due to psychological effect when wearing it. Under the influence of faith, the ancestors wore them in large quantities, which led to a shortage of goods, and then tried artificial etching. At this point, artificial dzi beads were formed.

The totem of each dzi bead has its unique meaning. Some scientists have analyzed it like analyzing human DNA maps, adding an unpredictable veil to the mystery of dzi beads. "Tianzhu also has historical value, inheritance value, cultural value, aesthetic value, medical value, protection value and so on."

Baidu encyclopedia-Tianzhu