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 […]
Archivy značek: Main features of natural colored gemstones
3) Transparentnost a čistota: Transparentnost se týká míry, do jaké mohou barevné drahokamy přenášet světlo, a čistota odkazuje na množství nečistot uvnitř drahokamu. Ačkoli barevné drahokamy nemohou být jasné a průhledné, vyšší transparentnost zlepší jejich celkovou kvalitu. The transparency and purity of colorless gemstones are important factors for the beauty […]