1, from different sources: there are two kinds of shell beads, one is made by squeezing and rolling shell powder; One is made of natural seawater shells by grinding and polishing. Pearl is an ancient organic gem, which is mainly produced in mollusks such as Pinctada and Pinctada.

2, the appearance is different: Beizhu is easy to wear, and the beauty is not long; The weight is lighter than that of pearls with the same volume; If you hold two in your hand, the color of pearls will be more beautiful.

3, pinyin is different: Pearl reads zh ē n zh ū; Mother-of-pearl reads mǔ beyzh.

Extended data:

Modern functions of pearls

Both People's Republic of China (PRC) Pharmacopoeia and Dictionary of Traditional Chinese Medicine point out that pearls have the functions of calming nerves, improving eyesight, removing toxic substances and promoting granulation, while modern research also shows that pearls have unique functions in improving human immunity, delaying aging, removing spots and whitening, and supplementing calcium. Calm the nerves, clear away heat and nourish yin, improve eyesight and detoxify.

1, calming the heart and calming the nerves, suitable for palpitation, epilepsy and convulsion.

2, clearing the liver and improving eyesight, used to treat eye diseases such as redness, swelling and pain, veins, etc., and is widely used for external use.

3, convergence and granulation, suitable for throat rot, aphtha, long-lasting ulcer, suitable for external use.

Baidu Encyclopedia: Zhu Bei

Baidu Encyclopedia: Pearl