The word "agate" is derived from the Buddhist scriptures, and the Sanskrit is called "Asma Gapo", which means "horse brain." Because the ancients did not understand the reason why agate produced a pattern, it is considered to be "the stone of the horse." Later generations thought that the "horse brain" was a jade, so it was changed to the side of the oblique jade and turned into the word "agate."
Agate is an important member of the quartz family. It belongs to cryptocrystalline quartz, which is a silica solution with different colors. It is a concentric layer or a parallel layer of striate mineral formed by filling the cavity around the rock cavity or crack. It is glassy and mainly produced in volcanic rock fissures and cavities. in.
The biggest artistic feature of agate is the beautiful pattern of concentric ring-shaped, layered, corrugated, entangled, grass-like and other forms. The patterns are various in color, such as white, gray, yellowish brown, and black. Because agate has natural pores, it can also be dyed in various colors such as red, blue, green, yellow, and brown. The dyed agate is called "umbu" in Brazil.
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