There are five types of ornamental stones in jewelry and jade: 모델링 스톤, 패턴 돌, 미네랄 결정, 화석, 그리고 특별한 돌. The latter three are relatively small categories. The editor of Baolong will give you an introduction. Mineral crystal Minerals are natural elements or compounds formed by geological processes. They have a relatively definite chemical […]
