Gemstone (generalized) Artificial gemstone natural gemstone Synthetic gemstones imitation gemstones Gemstone: A single mineral crystal that meets the process requirements, such as diamonds, rubies, etc. Jade: It consists of a single mineral or multi-mineral aggregate that meets the process requirements, such as jadeite and nephrite. Organic gemstones: The genesis is closely related to animals and plants, such as coral and amber. Polyester Pillow,Polyester Pillow Inserts,Polyester Pillow Filling Material,Polyester Pillow Case HANGZHOU YINTEX CO.,LTD , https://www.psptex.com
February 28, 2020