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Beryllium - Occurrence | | Beryllium - Occurrence: Encyclopedia II - Beryllium - Occurrence | | Beryllium is an essential constituent of about 100 out of about 4000 known minerals, the most important of which are bertrandite (Be4Si2O7(OH)2), beryl (Al2Be3Si6O18), chrysoberyl (Al2BeO4), and phenakite (Be2SiO4). Precious forms of beryl are aquamarine and emerald. Along with hydrogen, helium, and lithium, som ...
See also:Beryllium, Beryllium - Notable characteristics, Beryllium - Applications, Beryllium - History, Beryllium - Occurrence, Beryllium - Isotopes, Beryllium - Precautions, Beryllium - Health effects | | | Beryllium, Beryllium - Applications, Beryllium - Health effects, Beryllium - History, Beryllium - Isotopes, Beryllium - Notable characteristics, Beryllium - Occurrence, Beryllium - Precautions | | |
| | | Beryllium: Encyclopedia II - Beryllium - Occurrence
Beryllium - Occurrence
Beryllium is an essential constituent of about 100 out of about 4000 known minerals, the most important of which are bertrandite (Be4Si2O7(OH)2), beryl (Al2Be3Si6O18), chrysoberyl (Al2BeO4), and phenakite (Be2SiO4). Precious forms of beryl are aquamarine and emerald. Along with hydrogen, helium, and lithium, some beryllium was created in the big bang.
The most important commercial sources of beryllium and its compounds are beryl and bertrandite. Beryllium metal did not become readily available until 1957. Currently, most production of this metal is accomplished by reducing beryllium fluoride with magnesium metal. The price on the US market for vacuum-cast beryllium ingots was 338 US$ per pound ($745/kg) in 2001. [1]
Isolation
BeF2 + Mg → MgF2 + Be
Other related archives1798, 1828, 1957, Beryllium oxide, Big Bang, Big Bang nucleosynthesis, Cosmogenic, Environmental Protection Agency, Friedrich Wöhler, Greek, International Agency for Research on Cancer, James Webb Space Telescope, Louis Vauquelin, US$, United States Department of Health and Human Services, X-ray, X-rays, actinium, alkaline, alkaline earth, alloying, alloys, alpha particles, aquamarine, atmosphere, atomic number, bertrandite, beryl, berylliosis, beryllium copper, beryllium fluoride, big bang, bivalent, carcinogenic, chemical element, chrysoberyl, communication satellites, computer, copper, cosmic ray, critical mass, electrical, electrical contacts, emerald, emeralds, fluorescent lamps, fluorescent lighting, gyroscopes, half-life, hardness, helium, hydrogen, ice cores, integrated circuits, isotopes, lateritic soils, lithium, lung cancer, magnesium, melting points, metal, metals, minerals, modulus of elasticity, neutron, neutron emission, neutron sources, neutrons, nitric acid, nitrogen, nuclear reactors, oxidation, oxygen, pH, periodic table, phenakite, polonium, potassium, precipitation, radium, rashes, regolith, salts, sarcoidosis, soil, soil erosion, soil formation, solar activity, solution, spallation, springs, standard temperature and pressures, teratogenic, thermal conductivity, toxic, triple-alpha process, welding
 Adapted from the Wikipedia article "Occurrence", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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