Understanding Corundum: Properties, Uses, and Varieties
Corundum is a mineral that is made up of aluminum oxide (Al2O3) and is commonly found in nature as the gemstone ruby. It is a hard, durable material that is used in a variety of applications, including abrasives, refractory linings, and cutting tools. Corundum is also the name of the mineral species that includes both rubies and sapphires, which are different colors of corundum that are caused by trace elements present in the stone.
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