1, Grade A jadeite refers to pure natural jadeite. Without any chemical treatment, artificial forgery such as high temperature and high pressure. It's a natural color, not dyed or colored, just carved and polished. A-grade jadeite is fine in texture, soft in color and obvious in stone grain; Slight impact, crisp and pleasant voice; It feels very heavy and is obviously different from other stones. In addition, gem-grade jadeite is mainly produced in northern Myanmar, which is formed by the mutual extrusion of Asia-Europe plate and Indian Ocean plate, commonly known as Yunnan-Myanmar gem metallogenic belt, which was formed under high pressure and low temperature conditions.

2. Jadeite is jadeite produced in Myanmar. Emerald is produced in Japan, Russia, Mexico, California and other places, but its quality and output are far less than that of Myanmar. Gemstone jadeite has been mined in Myanmar for a long time. For a long time, people only knew that Myanmar produces jadeite, so Burmese jade is synonymous with jadeite.

3. Of course, gem-grade jadeite is mainly produced in North Myanmar. It was formed by the mutual extrusion of Eurasian plate and Indian Ocean plate, commonly known as Yunnan-Burma gem metallogenic belt, which was formed under the conditions of high pressure and low temperature.