11 relations: Cubic crystal system, Enstatite chondrite, Glossary of meteoritics, Harvey H. Nininger, Hermann–Mauguin notation, Iron, Keilite, Magnesium, Manganese, Meteorite, Sulfide minerals.
Cubic crystal system
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.
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Enstatite chondrite
Enstatite chondrites (also known as E-type chondrites) are a rare form of meteorite thought to comprise only about 2% of the chondrites that fall on Earth.
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Glossary of meteoritics
This is a glossary of terms used in meteoritics, the science of meteorites.
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Harvey H. Nininger
Harvey Harlow Nininger (January 17, 1887 – March 1, 1986) was an American meteoriticist and educator, and although he was self-taught, he revived interest in scientific study of meteorites in the 1930s and assembled the largest personal collection of meteorites up to that time.
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Hermann–Mauguin notation
In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Keilite
Keilite is an iron-magnesium sulfide mineral (chemical formula (Fe,Mg)S)) that is found in enstatite chondrites. Keilite is the iron-dominant analog of niningerite. Keilite is named after Klaus Keil (born 1934).
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Magnesium
Magnesium is a chemical element with symbol Mg and atomic number 12.
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Manganese
Manganese is a chemical element with symbol Mn and atomic number 25.
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Meteorite
A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon.
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Sulfide minerals
The sulfide minerals are a class of minerals containing sulfide (S2−) as the major anion.
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