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Aluminium Oxide


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Aluminium Oxide
   is also known as   
Alumina
Corundum is the most common naturally-occurring crystalline form of aluminium oxide. Much less-common rubies and sapphires are gem-quality forms of corundum with their characteristic colors due to trace impurities in the corundum structure.
Impure Aluminium Oxide
   is also known as   
Emery Powder
Al2O3
   is   
Aluminium Oxide
Corundum is the most common naturally-occurring crystalline form of aluminium oxide. Much less-common rubies and sapphires are gem-quality forms of corundum with their characteristic colors due to trace impurities in the corundum structure.






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