2. Emerald is produced in Japan, Russia, Mexico, California and other places, but its quality and output are far less than that of Myanmar.
3. The color of jadeite in Myanmar is different due to different regional customs, and the subdivision method is slightly different. In the jade kingdom of Myanmar, jadeites are divided into three categories, with a grade of 12. The domestic jewelry industry divides jadeite into more than 30 grades according to its color.