alumina

Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al2O3. It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium(III) oxide. It is commonly called alumina, and may also be called aloxide, aloxite, or alundum depending on particular forms or applications. It commonly occurs in its crystalline polymorphic phase Î±-Al2O3, in which it comprises the mineral corundum, varieties of which form the precious gems ruby and sapphire. Al2O3 is significant in its use to produce aluminium metal, as an abrasive owing to its hardness, and as a refractory material owing to its high melting point.[5]

For more information about alumina check the Wikipedia article here

ZME Science posts about alumina

Aluminum might be the future’s eco-fuel of choice

Fri, Jul 27, 2012

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If you’re reading ZME Science from home, chances are that you’ve got a can of beer or soda in someplace handy, and you’ll probably throw the can away after you finish your drink, hopefully in a designated recycling bin. What if I told you that the aluminum from your soda can could be used to power your [...]

alumina, aluminum, electric car, hybrid car, hydrogen fuel

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