Tag Archives: Processing and imitation of corundum (ส่วนหนึ่ง 2)

เงินสเตอร์ลิง 925 wholesale Processing and imitation of corundum (ส่วนหนึ่ง 2)

This kind of treatment is most conducive to the production of the pink-orange color of Padparadscha. A large number of Padparadscha corundum has appeared on the market in the past two or three years, and even many appraisal agencies have issued many appraisals of natural Padparadscha corundum, causing an uproar in the gem market. , […]