Agate and color

China is a country rich in agate, and agate is one of China's traditional jades. The color of agate determines its collection value.

There is a beautiful striped agate on the cross section. It is a kind of jade that is composed mainly of cryptocrystalline quartz (chalcedony) and is called “Joan”. Its formation is due to changes in the earth's crust in ancient times. Underground magma was ejected. During the process of cooling and consolidation of lava, bubbles formed by steam were sealed up to form caves. After several years, the silica-containing solution penetrated into the bubbles and condensed into silica gel. Soluble components such as iron-bearing rocks diffuse into the silica gel. Finally, with the loss of water, the silica crystals become agate. Because the soluble components such as ferrous rocks diffuse into the silica gel, the color of the agate becomes colorful. The color ribbons are beautiful and have been loved by people since ancient times. The Phnom Penh agate bowl unearthed in Lai’an County of Anhui Province in 1972 was a living vessel of the Song Dynasty.

“Talking” said: “The students in the south are coloured and red, and those in the north are black and black, and they are said to be ghosts. The green ones are red, like spider silk, and they are wonderful. There are branches and leaves, such as cypresses and twigs. Agate; black and white 曰 gold agate; texture black middle white green zygote zygote agate; face the brilliance of white brilliance, side-view if the blood coagulation 曰 folder fetal agate, the most precious. ” The ancients said: “Agate is not red, a poor "The agate has yellow in the red, yellow in the red, and transparent fire as the top grade. It is called "fire agate." Valuable addition to the red agate, there are green agate, blue agate and purple agate and water agate.