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#1396 |
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#1397 |
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![]() two trapped beryllium ions |
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#1398 |
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#1399 |
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![]() ![]() Stiffness and light weight of AlBeMet aluminum-beryllium alloy (top) from Brush Wellman makes it ideal for rotating optics mounts on Apache helicopters. |
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#1400 |
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![]() Now we at Chiefsplanet Beryllium search overwatch forium have beryllium videos too!! |
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#1401 |
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Beryl, a beryllium aluminium silicate, is a common mineral but its gem varieties are highly prized. Emerald is the green variety of beryl, colored by impurities of chromium and vanadium. Today most noted emeralds originate in Colombia but ancient emeralds all came from mines south of El Kassir in Nubia, which were worked from approximately 3000BC. Cleopatra was reputed to have had a Nubian emerald engraved with her own portrait. This specimen is from the Russian Urals. Source: Mackay mineral collection Size: 1.25" Purity: 5% |
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#1402 |
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A light, silver-white, lustrous metal that is resistant to corrosion but very toxic, especially when breathed in as a powder. |
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#1403 |
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Lumps. These are lovely solid lumps of beryllium metal, probably produced by dropping molten Be into water. They are free of dust and very hard which is good from a safety point of view as any powder which might be breathed in must be strictly avoided. They feel incredibly light and make a nice clinking noise when hit together. Source: China Size:pieces 1" to 2" Purity:> 98% Fergie from the Black Eye Peas would be proud of these beryllium lumps, they're so lovely. |
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#1404 |
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High voltage insulator. Beryllium oxide, also known as beryllia, has a very high melting point and is an excellent electrical insulator, Surprisingly though it is very good conductor of heat, almost on a par with some metals. These are useful properties which in this case are deployed in a high voltage electrical insulator. There is a label on the device warning that it should not be machined or broken due to the potential toxicity of the dust.. |
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#1405 |
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Studies in 2003 found the soil and groundwater had been contaminated with uranium, apparently a radioactive byproduct of decades of chemical processing of copper, the agency said. The mine also is polluted with arsenic, beryllium, lead, mercury and selenium.
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#1406 |
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Join Date: Dec 2006
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Mountain Hardwear Beryllium Jacket - Men's FREE SHIPPING - The Mountain Hardwear Men's Beryllium Jacket...
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#1407 |
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Mountain Hardwear® Men's GORE-TEX® XCR Beryllium Jacket Designed to withstand the rigors of technical ice and...
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#1408 |
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Premier integrated global producer of beryllium-based metals.
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#1409 |
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beryllium
ADVERTISEMENT var y_inf_type = "LREC" ; var y_inf_url = "http://" + "us.inf.ads.yahoo.com" + "/infinity?" + "s=ysm&t=bt2&p=network&pos=LREC&catid=687&tcatid=506&cid=i1_lrec_oc2" + "&f=97302355" + "&pvid=Oe6rr86.OK6TrtPERbom7OKYSxhQDkW6VfsAC8PD" + "&w=AD38BECE" ; var y_inf_hostname = "us.inf.ads.yahoo.com" ; var y_inf_rd = "" ; var y_inf_width = "300" ; var y_inf_height = "250" ; var y_inf_flashpath = "http://us.a2.yimg.com/us.yimg.com/a/1-/flash/infinity/ysm/i1_lrec_oc2.swf" ; var y_inf_defaultclickurl = "http://searchmarketing.yahoo.com/arp/srch.php?o=US1671&cmp=Yahoo_banners&ctv=CTrees_300x250&s=Y&s2=NO&s3=B&b=25" ; var y_inf_defaultimgsrc = "http://us.a2.yimg.com/us.yimg.com/a/ya/yahoo_overture/1071-tree_lrec_300x250_122805.jpg" ; var y_inf_defaultimgwidth = "300" ; var y_inf_defaultimgheight = "250" ; on error resume next infinity_flashinstalled=( IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash"))) if (window.yzq_a == null) document.write("");if (window.yzq_a){yzq_a('p', 'P=Oe6rr86.OK6TrtPERbom7OKYSxhQDkW6VfsAC8PD&T=142vv8tse%2fX%3d1169839611%2fE%3d97302355%2fR%3dedu%2fK%3d5%2fV%3d1.1%2fW%3d8%2fY%3dYAHOO%2fF%3d42 2940766%2fG%3dCnVzCgo-%2fS%3d1%2fJ%3dAD38BECE');yzq_a('a', '&U=13b49f9bb%2fN%3dKti6Adj8a3c-%2fC%3d549852.10006488.10690741.1414694%2fD%3dLREC%2fB%3d4367588');} ![]() ![]() |
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#1410 |
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Join Date: Dec 2006
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It has the highest melting points of the light metals. The modulus of elasticity of beryllium is approximately 1/3 greater than that of steel. It has excellent thermal conductivity, is nonmagnetic and resists attack by concentrated nitric acid. It is highly permeable to X-rays, and neutrons are liberated when it is hit by alpha particles, as from radium or polonium (about 30 neutrons/million alpha particles). At standard temperature and pressures beryllium resists oxidation when exposed to air (although its ability to scratch glass is probably due to the formation of a thin layer of the oxide). The speed of sound in beryllium (12,500m/s) is greater than in any other element
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