Meteorite is a mixture of stone, iron, or stone-iron that is unburned outside the Earth from the original orbit or fragment of debris that is scattered to the surface of the Earth or other planets. It is also called "comet". . Most of the meteorites come from the asteroid belt between Mars and Jupiter, and a small part comes from the moon and Mars. Meteorite can be roughly divided into; stone vermiculite, iron vermiculite, stone iron mixed vermiculite. Each type of meteorite has its children below it. Lunar meteorites can be divided into two major categories: volcanic rocks and sedimentary rocks. Moon basalt is one of the main rocks that make up the moon. The colors are black, white, dark purple, purple, green, dark green, grayish green, yellow, brownish yellow, mixed color, etc. . The structure of the plaque structure and the almond structure and the presence of biotite. Common sulfides in lunar meteorites include antimony iron, pyrite, chalcopyrite, galvanite, sulphur ilmenite, and minerals that are not yet known. The transparent shell on the surface of the lunar meteorite belonging to the volcanic rock is formed by the high-temperature melting of the transparent matter in the moonstone. Other melting phenomena such as: melt shell, melt flow pattern, melt flow line, groove, erosion pit, and angular shape formed by directional fall are very obvious. The transparent shell shape of the moon meteorite is the sign of the moon meteorite. Due to the long time of falling on the earth, the lunar igneous rock meteorite that has been severely eroded, the possibility of losing the transparent shell is greatly increased. Usually, this phenomenon will not affect the final confirmation of the moon meteorite. Lunar meteorites are often granulated, massive polycrystalline twin plagioclase and micro-class fused breccia. The color is colorless, white, dark gray, flesh red, pink, yellow, light yellow, green, and the glass is transparent to translucent. The single crystal in the form of a plate or a flat column is often white, and acicular olivine is present in the plate-like single crystal. The characteristics of breccia plagioclase in the lunar meteorite are an important scientific basis for the confirmation of lunar meteorites. Vermiculite identification method steps 1. Observe the surface method. Firstly, the meteorite is generally in an irregular shape. Secondly, the meteorite is rubbed through the atmosphere during the landing to generate high temperature. Therefore, the surface of the vermiculite has a black melt shell formed by burning and the air jet left by the airflow friction, and also has a flow. Texture or streamline construction. Four methods of meteorite identification 2. The magnet is an experimental method. Meteorite is basically divided into three categories, namely Shijie, Shitieyun and Tieyu. Among them, the magnetism of the stone scorpion is relatively small and is not easily attracted by the magnet. The iron shovel and iron shovel contain more iron and magnetic properties. Four methods of meteorite identification 3. Observe the pellet method. On the fresh section of the chondrite, a fine spheroid and a matrix between the spherulites are generally observed with a magnifying glass, and Fe-Ni metal and bismuth sulphur iron are visible. If the iron meteorite is etched with an alcohol solution containing 2% concentrated nitric acid to etch the surface of the iron vermiculite, the structure of the Vickers can be displayed. The structure of the vermiculite is dense, and it is impossible to have a foamy, porous or slag structure. Four methods of meteorite identification 4. Ingredient detection method. Due to the presence of Fe-Ni metal, the meteorite has a specific gravity greater than that of the earth's rock (generally 2.7 g/cm), and the vermiculite has a specific gravity of at least 3.3 g/cm. At about 12:30 on February 15, 2013, a meteorite came from the sky and squatted in Chelyabinsk, Russia, causing damage to the windows of 300 houses. Regarding the size of this meteorite, scientists at the time said different opinions. Some said that the diameter was more than 20 meters, and some said that it was 6 meters. This time, the meteorite incident also triggered a wave of meteorite collection. Some netizens on Taobao called for 100,000 yuan. The auction claimed to be the meteorite in Chelyabinsk, Russia. Mr. Tiandu Lanshi Trading Market Department: Contact QQ1193571014 WeChat; 13262914806 Meteorite's recent auction record rankings: Meteorite Valuation of 500-800 million transaction price 32 million 2013-05-29 2. Mars meteorite (598g) Valuation of 800-800 million transaction price 21 million 2012-10-02 3. Meteorite ornaments Valuation of 800-100 million transaction price 16 million 2011-12-08 4. Stone iron meteorite (80 grams) Valuation of 80-100 million transaction price 6.5 million 2011-12-08 5. Iron meteorite (with plum blossom) Valuation of 300-300 million transaction price 3.8 million 2012-10-02 6. Meteorite (No. 69) Valuation of 60-800,000 transaction price 1.26 million 2012-10-02 In this exhibition, there is a meteorite in the Russian Chelyabinsk region, which is also the most compact in this exhibition. Look closely, it is black and dark, has no big thumb, and weighs dozens of grams. "This meteorite was purchased from our celestial chemistry and planetary science laboratory for scientific research." Wang Kechao said that this meteorite is not very valuable, it is the most common chondrite. “The sarcophagus is divided into spheroids and spheroids. The so-called chondrites are those that are filled with 0.1-1 mm under the microscope.†In the 1990s, there were only nearly a hundred people involved in the meteorite trade, and it was an absolutely niche group. At present, the number of experts, enthusiasts, and researchers involved in the collection of meteorite auctions worldwide has increased to tens of thousands. The surge in the number of people has led to a surge in the value of the stone iron gangue. In the past 20 years, it has nearly 10,000 times. From the original few dollars to one gram per gram, the value-added ratio far exceeds that of gold and diamonds. Every piece of meteorite comes from outer space billions of years ago. It has witnessed the history of the formation and evolution of the rich solar system. Every meteorite is a gift from the universe. The value is extremely precious. Every meteorite also contains a strange mystery. Waiting for someone with a fate to crack. This piece of stone iron meteorite from Jinsha International is such an invaluable treasure, waiting for a dedicated collector to explore. The exterior color of iron ore is similar to that of iron meteorites and stone meteorites. Many meteorite lovers are led astray by iron ore, collecting a lot of iron ore as iron meteorite and stone iron meteorite. It is actually very well differentiated. Similarly, the price of vermiculite varies according to the degree of scarcity, the content of the elements, and the like. Cheaper is a few thousand yuan / gram, and the current price of expensive is tens of thousands or even hundreds of thousands of yuan / gram. In the auction market, the transaction price of the extraterrestrial star stone is also heart-warming. In 1993, Sotheby's auctioned a 0.33 gram lunar meteorite for $442,500. In May 1998, Phillips auction house in New York shot a 0.28 gram Mars meteorite with a price of 3.36 million US dollars, which is equivalent to 1000 times the same weight of gold! Paris Christie's "natural history" on April 17, 2008 In the auction, a 43 cm, 45 kg African Namibian meteorite shot 78.25 million euros. On October 5, 2010, a piece of African Namibian meteorite auctioned by Sotheby's in Paris, the transaction price reached 220,000 euros. Summer Men Shirts,100% Cotton Summer Shirts,Polyester Cotton Shirting,Skin-Friendly Cotton Shirts Shaoxing Wenrui Trading Co., Ltd. , https://www.wenruitex.com