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Contents of this article
1. Agate Does the stone have radiation?
Pure natural agate has radiation. All natural minerals have a certain amount of radiation, but as jewelry it is almost negligible and harmless to the human body. Agate, also known as agate, carnelian, horse brain, etc., is a kind of chalcedony mineral. It is often a band-shaped block mixed with opal and cryptocrystalline quartz. The hardness is 7-7.5 degrees, the specific gravity is 2.65, and the color is quite good. There are layers. Available in translucent or opaque. The original form of the trigonal crystal system. They are often dense and massive and form various structures, such as breast-shaped, grape-shaped, nodule-shaped, etc. The most common ones are concentric structures. Chalcedony has different color compositions, usually green, red, yellowish brown, white and other colors. According to patterns and impurities, it can be divided into onyx, sardonyx, moss agate, castle agate, etc. Commonly used as playthings or ornamental objects. It is often used as an ornament or as a gift. Strings of agate balls can often be seen among ancient funerary objects.
2. Do meteorites have radiation?
1. Do meteorites have radiation? Yes, the intensity of radiation varies. Generally, it is not harmful to the human body, but it is not recommended to be in contact with falling meteorites for a long time.
2. Before meteorites fall to the earth, they will be radiated by solar cosmic rays and galactic cosmic rays, and will form some cosmic nuclides. These cosmic nuclides The half-lives of nuclides range from as short as milliseconds to as long as millions of years.
3. Due to the long residence time, most of the cosmogenic nuclides have decayed into stable daughter bodies. The radiation of this type of meteorite is not only negligible , and much lower than most Earth rocks.
4. Compared with Earth rocks, meteorites are almost all ultrabasic rocks, mainly composed of olivine, pyroxene, feldspar, ironite, and nickel. It is composed of grainstone and troilite, while uranium, thoriumRadioactive elements such as these are incompatible elements in these minerals and cannot easily enter the crystal lattice.
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