Corundum - Wikipedia, the free encyclopedia
Corundum is a crystalline form of aluminium oxide (Al 2 O 3) with traces of iron, titanium and chromium. [1] It is a rock-forming mineral. It is one of the naturally clear ...
USS Corundum (IX-164) - Wikipedia, the free encyclopedia
USS Corundum (IX-164), a Trefoil-class concrete barge designated an unclassified miscellaneous vessel, was the only ship of the United States Navy to be named for corundum.
Corundum Factsheet and Information Page at mineralminers.com
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 ...
corundum - Hutchinson encyclopedia article about corundum
corundum. Native aluminium oxide and the hardest naturally occurring mineral known, apart from diamond (corundum rates 9 on the Mohs scale of hardness); lack of cleavage also ...
corundum definition of corundum in the Free Online Encyclopedia.
corundum (kərŭn`dəm), mineral, aluminum oxide, Al 2 O 3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal ...
Corundum - LoveToKnow 1911
CORUNDUM, a mineral composed of native alumina (Al203), remarkable for its hardness, and forming in its finer varieties a valuable gem-stone. Specimens were sent from India to ...
Corundum on MySpace Music - Free Streaming MP3s, Pictures & Music ...
MySpace Music profile for Corundum. Download Corundum Metal / Other / Metal music singles, watch music videos, listen to free streaming mp3s, & read Corundum's blog.
Corundum International
At Corundum International, we specialise in rarefied beauty. Whether you are a reseller looking for something new to catch a customer's eye, or a private collector looking for that ...
corundum - Definition of corundum at YourDictionary.com
a very hard mineral, aluminum oxide, AlO: a dark, coarse variety (emery) is used for grinding and polishing; clear, transparent varieties (ruby, sapphire) are used as gems
corundum - definition of corundum by the Free Online Dictionary ...
co·run·dum (k-r n d m) n. An extremely hard mineral, aluminum oxide, Al 2 O 3, sometimes containing iron, magnesia, or silica, that occurs in gem varieties such as ruby and ...
