Meteorite Collection

Meteorite, also known as "meteorite", is an unburned stone, iron or a mixture of stone and iron, which is scattered on the surface of the earth or other planets by cosmic meteors or dust fragments that deviate from the original orbit outside the earth. Because meteorites are objects from outer space, it is necessary to identify whether meteorites are true or false by instruments, and the naked eye has only an auxiliary role. Most meteorites come from the asteroid belt between Mars and Jupiter, and a few come from the moon and Mars. Meteorites can be roughly divided into stone meteorites, iron meteorites and stone-iron mixed meteorites. The average density of meteorites is between 3 and 3.5, and the main component is silicate. The density of meteorite iron is 7.5~8.0, which is mainly composed of iron and nickel. The composition of stony iron is between them, and the density is between 5.5 and 6.0.

For thousands of years, agate meteorite, as a rare treasure, has always been pursued tirelessly by collectors, and has even been sincerely praised as "the king of minerals" and "the king of precious stones". Moreover, agate meteorite also has a very nice name "lonsdale", which means that agate meteorite is formed after meteors in space fall into the earth and burn and melt. Agate meteorite contains many elements such as carbon, magnesium, zinc and so on. These elements make agate meteorites appear more transparent, delicate and beautiful in the dark. According to the reporter's online survey, this type of agate meteorite was discovered 200 years ago by American geologist lonsdale, and now exists in the National Museum of Natural History. Agate meteorite provides an important scientific basis for the historical research of natural museum. As a unique historical treasure, its value has far exceeded agate itself.

Agate meteorite has three characteristics of meteorite: first, the shape of meteorite. Most meteorites have irregular shapes, and almost any shape of meteorites is possible. After the first explosion, the meteorite collided violently with the airflow during the falling process, resulting in high temperature and high heat, which led to the melting of the external elements of the meteorite. Therefore, the edges of meteorites exploded at high altitude are mostly smooth. However, the secondary explosion caused by low-altitude explosion or meteorite collision in the process of falling makes the edge of this kind of meteorite much sharper than that of high-altitude explosion, and even forms a state of neat corners and sharp blade surface. The edge of agate meteorite is smooth and smooth, so it is judged as agate meteorite produced by high-altitude explosion.

Second, the melting shell of meteorites. We can judge from the presence or absence of molten shell, the thickness of molten shell and the direction of molten flow. The melting shell thickness of meteorites exploded at high altitude is about 1 mm, and even more than 2-3 mm locally. When there is enough distance for meteorites to burn in the process of falling, the melting shells of meteorites are typical. In the process of meteorite falling, there is heavy rain, and the turtle crack of the molten shell should be more prominent, which will lead to the problem of molten shell falling off over time. The impact environment of meteorites is also an important condition for the preservation of meteorite shells. Individual meteorites exploding at low altitude fall to the ground without burning, so there is no melting shell, and the value of such meteorites is much lower than that of meteorites with melting shells. The agate meteorite has a black melting shell on its surface, and its thickness is about 1 mm. The melt flow direction, i.e., turtle crack characteristics, is very obvious and can be seen by naked eyes. And it has not fallen off, and it is quite well preserved, which is really rare. Therefore, it has the second characteristic of agate meteorite.

The agate meteorite from the moon is crystal clear, dazzling and hard, and is the king of minerals and gems. Agate meteorite can be said to be the night pearl of rare and precious meteorite. Meteorites are meteoroid remnants that ablate from interstellar space through the atmosphere and reach the surface. And has obvious curative effect. People who know the goods should contact me as soon as possible! If you get an international auction, it will be a sky-high price! The weight is 305g.

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