Colored gems are higher value stones. People start to know the stones, and some beautiful stones become treasures. With the development of science, geologists gradually carried out scientific classification of various stones, giving them their own names. The gem industry in our country only developed in the 1980s, after which the concept of gems gradually […]
Taggarkiv: Main features of natural colored gemstones
3) Transparency and purity: Transparency refers to the degree to which colored gemstones can transmit light, and purity refers to the amount of impurities inside the gemstone. Although colored gemstones cannot be clear and transparent, higher transparency will improve their overall quality. The transparency and purity of colorless gemstones are important factors for the beauty […]