1, brilliant green: pure, positive and strong green, but without black tone. Blue-green: green with a slight blue tone, which is called green with a slight blue tone from the perspective of gemology. Just because it is slightly blue in green, it looks full of calm mystery and gives people a feeling of "sinking".

2. The correct definition of jadeite is fibrous aggregate composed of pyroxene minerals mainly composed of jadeite minerals.

3. Water: refers to the transparency of jadeite. It is often used to describe long, short, good and poor. When the head is long and sufficient, the transparency is high, and when the head is short, the transparency is low. Species: Also called "species". This is a vague concept with various names.

4. The tenderness (or freshness) of jadeite refers to the density of crystals in jadeite.

5. The origin of jade (1) The word "jade" was first used to refer to birds with red and turquoise feathers, called jade birds or "kingfishers", commonly known as "fishing lang", which can still be seen in rivers, lakes and seas in Quanxi.

6. Usually, the red one is Fei and the green one is Cui. Gloss and transparency: Emerald usually has pearl luster, glass luster, and sometimes can see the sunshine. High quality is transparent, that is, the head is good, or the head is long and full of water. Generally translucent to transparent, poor quality is slightly transparent or opaque (short head or poor head).