Corundum is rather rare, not as common as diamonds, gold, and others that we normally know and hear about. Thanks for sharing this information with us.
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Corundum is rather rare, not as common as diamonds, gold, and others that we normally know and hear about. Thanks for sharing this information with us.
You're welcome, yes, corundum is not common, but it is just the crystalline form of aluminium oxide with some metal impurities.
Thank you and have a nice day!