In the east, it is one of the seven treasures. Agate can be divided into chalcedony and agate. The original stone with uncomplicated color is called chalcedony, and the original stone with straight and parallel stripes is called striped agate (cut agate). According to the color of the original stone, it is also called twisted agate and crimson agate. Recently, dyed black agate is generally called agate.
The legend of agate
Legend has it that Aphrodite, the goddess of love and beauty, is sleeping in the shade of a tree. Her son eros secretly cut off her shining nails and flew into the sky with them in his hand. Eros, who flew into the air, accidentally dropped her nails, and her fingers that fell to the ground turned into stones, that is, agates. Therefore, some people think that owning agate can strengthen love and adjust the feelings between themselves and their lovers. In Japanese mythology, there is a crescent-shaped green agate, which is one of the three great artifacts in Japan and is dedicated to the gods.
Identification knowledge of agate
Upload date: February, 2005-18 hits: 252
Agate (agate)
The chemical composition of agate is SiO 2；; It can contain Fe Al Ti Mn V and other elements, showing various colors, concentric circles and regular strips, and can also be divided into silk-wrapped agate, striped agate, moss agate, carnelian, onyx and so on. Among them, red agate is the top grade of all colors of agate, so there is a saying in Gegu Yaolun that "agate is poor and has no red life".
Agate can be classified according to the following conditions
(A) by color
1. Red agate
Red agate, 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
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 green agates in the Chinese jewelry market are artificially colored, and some are like jadeite, but experienced people can easily distinguish them from jadeite. 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.
6.white agate
White tone 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.
7. Other colors of agate
Agate of other colors can be named according to different colors.