1, good material. The material of Datang jewelry is mostly old chalcedony products, and the decorative patterns are mostly clear, the border color halo is too natural and clear, and the mouth is naturally polished. There are traces of years of polishing, some of which are empty or even misplaced.

2, the color is good. The color of Datang jewelry is smooth and bright, and the color is rich and oily. Have a strong sense of time, and get started with a warm and smooth feeling.