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Read about corundum, corundum mineral, natural corundum, corundum mineral uses, corundum information, corundum properties, corundum suppliers, corundum exporters, corundum producers, corundum resources, al2o3, corundum applications, synthetic corundum, corundum uses, corundum deep red, corundum powder. ... Finely ground corundum,
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www.mineralszone.com/minerals/corundum.html
www.mineralszone.com/minerals/corundum.html
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Information on the mineral corundum ... Corundum has some electrical uses, and non gem quality material, such as emery, is extensively used as an abrasive because of its high hardness. Also see the gemstone section on Ruby; Also see the gemstone section on Sapphire...
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www.minerals.net/mineral/oxides/corundum/corundum.htm
www.minerals.net/mineral/oxides/corundum/corundum.htm
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Everything that humankind consumes, uses, or produces has its origin in minerals. Minerals are the building materials of our technological civilization, and a single mineral may have many unrelated uses. ... The mineral corundum provides a good example. Corundum is an extremely hard substance. Small bits of corundum are...
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science.jrank.org/pages/4355/Minerals-Minerals-their-us...
science.jrank.org/pages/4355/Minerals-Minerals-their-uses.html
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Corundum, in the form of industrial alumina, is an important commodity. Alumina grit is the working ingredient of sandpaper, and sapphire plates and rods are used in many high-tech applications. However, all of these uses, as well as most corundum jewelry, employ manufactured rather than natural corundum today.
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geology.about.com/od/minerals/ig/oxides/minpiccorundum....
geology.about.com/od/minerals/ig/oxides/minpiccorundum.htm
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Some of the minerals commonly included in this category include asbestos, barite, boron compounds, clays, corundum, feldspar, fluorspar, phosphates, potassium salts, sodium chloride, ... One of the more common uses of corundum is in the preparation of toothpastes. Its abrasive properties help to keep teeth clean and white.
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www.scienceclarified.com/He-In/Industrial-Minerals.html
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Corundum mineral information page at mineralminers.com: your on-line link for factual scientific data and mineralogical information about natural corundum, with links to several different varieties of natural corundum as well information on corundum mining locations and background info on corundum variety physical ...
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www.mineralminers.com/html/corminfo.htm
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While it is interesting to see how to identify or classify minerals, perhaps it is more important to find out why a mineral is useful to man. This table shows the uses of some common minerals. Place your mouse over each image link to view it in a separate window. Close the window to return to this page and continue.
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www.usoe.k12.ut.us/curr/science/sciber00/7th/earth/scib...
www.usoe.k12.ut.us/curr/science/sciber00/7th/earth/sciber/mineruse.htm
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Corundum is very hard, having a hardness of 9 on Moh's scale, compared with 10 for diamond, and 8 for topaz. Hardness is generally a desirable feature is gemstones. Other uses for corundum, because of its hardness, are as watch bearings, watch glasses, and as an abrasive.
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24carat.co.uk/sapphire.html
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