1, the hardness of parts is different.
Jadeite is a kind of jadeite, the main component is sodium aluminosilicate, and its hardness is 6.5-7, which belongs to the gem with medium hardness. Agate is a kind of chalcedony mineral. Its main component is silica, and its hardness is 6.5-7, but it is harder than jadeite. Jade is a general term, including nephrite and jadeite. The main component of nephrite is magnesium ferric silicate, and its hardness is 6-6.5, which is softer than jadeite and agate.
Step 2: Different colors
The color of jadeite is mainly green, with uneven color distribution and obvious color roots. The color of agate is red as the top grade, and there are also many colors such as black and yellow, which are evenly distributed and colorless. Jade has many colors, such as white, yellow, black, cyan and purple. , uniform or uneven color distribution.
3. Different values
Jade is one of the most precious jade, and its value is influenced by factors such as color, transparency, cleanliness, cutting and cracks. High-quality jadeite is priceless, and inferior jadeite is not worth mentioning.
Agate is a common chalcedony gem. High-grade agate is brightly colored and beautifully carved, while low-grade agate is dull and shoddy. The value of jade is influenced by variety, texture, luster and rarity, among which Hetian jade is the most expensive, followed by xiuyan jade and Qinghai white jade.
Notes on jadeite identification
Check the color of jade to make sure it looks rich and full of vitality. In most cases, it will not be completely opaque or completely transparent. Because it is a combination of opacity and transparency, we look for a luster similar to that of water reflecting light. If the color is dull or monotonous, it is probably fake jade. Jade may sometimes be completely opaque, but opaque jade has low value.
Of all the methods about how to judge whether jadeite is true or false, optical measurement may be the simplest one. Put the jade directly under the lamp and pay attention to the consistency of color. Should always conform to some subtle changes and patterns, fake jade will have flaws inside, or the color is perfect.