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Old Aug 12, 2012 | 2:13 pm
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Originally Posted by Yaatri
Yep you are right again. I must be forgetting my high school chemistry.
Then alumina must be the most abundant form of aluminium oxide.
Alumina is the only form of aluminum oxide. Alumina , or alpha-alumina, is AL2O3. Alumina is also called corundum in it's most common crystalline form. There are other crystalline forms of alumina, but all aluminum oxide is Al2O3 (oxidation state of Al is +3).
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