Answer: It can be used for grinding optical glass.
Explanation: This is because it is so much harder than glass.
Being a hard mineral, Corundum is most likely to be useful in the cutting of gemstones, grinding optical glasses, and grinding vehicles wheels.
Corundum may be defined as a mineral that is very hard and consists of aluminum oxide occurring in massive and crystalline forms, that can be synthesized, and is used for gemstones.
The extreme hardness of corundum makes it more useful and unique in the field of metal polishing, metal grinding, optical glasses grinding, etc.
Therefore, being a hard mineral, Corundum is most likely to be useful in the cutting of gemstones, grinding optical glasses, and grinding vehicles wheels.
To learn more about Corundum, refer to the link:
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