White agate is the lowest agate, which is mainly white or five-color agate. Among them, a kind of so-called white agate produced in northeast Liaoning actually belongs to white chalcedony, which is mostly used to make beads, and then artificially colored as blue, green and black. This kind of white agate is also a large piece of raw material for jade, and it is dyed well in the local area for use. However, nature also produces some white agates, which are generally unpopular because of their incorrect colors, especially those that are gray-white, but they can also be used to make some cheap and low-grade tourism products or souvenirs. It is recommended to wear agate of other colors: 1. Red agate Red agate is the ancient red jade. Among the red agates, there are East Red Agate and West Red Agate. The former refers to the red agate formed by natural iron-containing agate after heating treatment, also known as "burning red agate", including bright red and orange red. An East Red Agate, named after it came from Japan in its early years. The latter refers to natural red agate, including dark red agate and bright red agate. Agate unearthed in ancient China belongs to West Red Agate, which comes from the West, hence the name. 2. Blue agate refers to blue or blue-and-white agate. This is a kind of agate with very beautiful color, and the large size is a good material for jade carving. People of high quality are dark blue. The second color is light. Blue and white flowers are also beautiful. When they have pinstripe structure, they belong to the variety of silk-wrapped agate. At present, most of the blue agate products produced in China market are artificially dyed, with uniform color and easy to distinguish from natural ones. 3. Purple agate. Most of them are single purple, and the quality is as bright as amethyst. The second kind of person is not bright enough, commonly known as "boring". Purple agate is rare in nature, and it is also dyed. 4. Green agate Green agate is not found in nature. At present, almost all the green agates in the Chinese jewelry market are artificially colored. Its color is dark green, and some colors are like jade, but experienced people can easily distinguish it from jade. Green agate is "thin" in color and green and crisp in texture; Emerald color "vigorous", texture emerald, tough. 5. Black agate Black agate. Black agate is rare in nature. At present, the black agate in China's jewelry market is artificially colored, and the color is thick black, which is easy to mix with other jet stones. Its hardness is greater than obsidian. The main functions of agate: it can strengthen blood circulation, promote metabolism, have beauty beauty effect on skin, regulate female hormones, help reproductive system, treat female diseases, stop menstrual pain, regulate qi and blood, and also have curative effect on hormonal imbalance of menopausal women. It can activate internal organs, prevent constipation, help eliminate toxins, and relieve liver disease, rheumatism, neuralgia and varicose veins. Make friends with indifferent people, add enthusiasm to others, and make others willing to approach. Strengthen personal mobility and be motivated to do things. There are many records about agate in China ancient books. In the history books before the Han Dynasty, agate was also called "Qiongyu" or "Chiyu". Green agate is a rare variety of agate. Agate is one of the seven treasures of Buddhism, which has the function of avoiding evil spirits. People have used agate as amulets for a long time. Agate is widely used. It can be used as medicine, gem, jade, jewelry, handicraft materials, abrasive tools, instrument bearings and so on. Traditional Chinese medicine believes that agate is pungent, cold and non-toxic, and can be used by people who have difficulty in ophthalmology. Grinding with agate is very effective. Medicinal agate chips are left when carving precious stones. Agate is one of the earliest familiar gem materials and has long been regarded as a rare treasure in the world. The practical value of agate is that it is a good heat dissipation ornament. Wearing agate necklaces and bracelets in summer is not only pure and beautiful, but also cool and pleasant. Moreover, agate contains iron, zinc, nickel, chromium, cobalt, manganese and other trace elements, which is beneficial to health after long-term use.