2. Jadeite refers to a mineral aggregate, mainly composed of jadeite, or jadeite and omphacite, jadeite and sodalite, and may also contain a small amount of secondary minerals such as amphibole, feldspar and chromite.
3. Jade, also known as jadeite, jadeite and Burmese jade, is a kind of jade. The name of jade comes from the name of a bird. This bird has very bright feathers. Male feathers are red and female feathers are green. They are called kingfishers. In the Ming Dynasty, Burmese jade was introduced into China and named "Jade".
Emerald belongs to jewelry. Generally, it is customary to use natural materials (minerals, rocks, organisms, etc.) to make jewelry, handicrafts or other valuable treasures. ) gold and silver. Therefore, there is the saying of "gold and silver jewelry", and the jewelry stores that handle these items are also collectively referred to as "jewelry stores".