What's the function of the Banling pendant?

It doesn't work. Spot spirit pendant, also called variegated stone pendant, is a very precious gem. Banling pendant is a unique and rare gem, and it is an organic biological gem. Pearls and amber also fall into this category. It is a shell fossil of spotted snail 70 million years ago. Ban Ling pendant refers to ghost crystal, which is colorful and invalid, and has high ornamental and collection value.