Chinese people love red, and feel that there is a feeling of joy. In ancient times, there was a saying that "agate is not red." There are a lot of dyed agates on the market now, which is enough to make a real mess. What is the dyed agate?
Agate chemical dyeing is an ancient technique. It is said that people put agate in honey, take it out and put it on the fire. The honey that enters the agate is baked into charcoal and blackens the agate, but it is black in transmission. It looks brown under the light, not too dark.
Since the 1960s, Germany and the United States have used various methods to "make up" the usual agate. The dyed agate is a immersion of the coloring material into the pores inside the agate, giving it a beautiful color and a strip. After agate dyeing, it is called "umbu" in Brazil. Green agate, black agate, and blue agate are mostly dyed. The blue and purple agate jewellery sold on the market is not the original color. It is dyed after processing. The individual dyeing level is not high and will fade after a few years. The dyeing of agate is called the optimization method in the national standard. The name can be directly referred to as the name in the certificate. In the early 1980s, China introduced the dyeing technology to China as a “National Spark Programâ€.
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