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Glass meteorite, the full name of the glass meteorite. Glass meteorite is a natural glass that condenses rapidly after the target of the surface when an extraterrestrial object hits the earth violently. Most of the glass meteorites found on the surface are massive, brown-black to light green, generally centimeter-sized, with many aerodynamic etches on the surface. Long-term studies have proved that glass meteorites are clearly different from the earth's volcanic glass in chemical and structural characteristics, and are not the product of geological action. Glass meteorites have a wide and limited geographical distribution, the glass meteorites distributed in southern Texas and Georgia are called North American group; the glass meteorites distributed in the Central Czech, Slovakia, Austria is called Moldawi stone group; the glass meteorites distributed in Ivory Coast are called the Ivory Coast group; the largest glass meteorite group is Australia-Southeast Asia glass meteorite group, widely distributed in Australia, Southeast Asia Peninsula and the southern region of China, the distribution area of about 10% of the earth's land surface area. China's glass meteorites were first found in Hainan and Leizhou Peninsula, and their characteristics and age are similar to Australia-Southeast Asia glass meteorites, which may be produced at the same time