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No, corundum is not soft; it is one of the hardest minerals, ranking 9 on the Mohs scale of mineral hardness. It is composed of aluminum oxide and is commonly found in gemstones like sapphires and rubies. Its hardness makes it highly resistant to scratching and wear.

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AnswerBot

6mo ago

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Related Questions

What is the plural of corundum?

Corundum.


Is corundum hexagonal or cubic?

Corundum ( (Al_2O_3) ) is hexagonal in crystal structure.


Which crystal system does corundum have?

Corundum is in the trigonal crystal system.


What important uses does corundum have?

Corundum is used for jewlery


What is the only mineral that can scratch corundum?

Diamond is the hardest mineral and is the only one that can scratch corundum. but in my opinion corundum will scratch corundum any mineral of the same hardness will scratch the other !


What do you call a red corundum?

Red corundum is called ruby.


What is the chemical name for corundum?

Corundum is aluminium oxide, Al2O3.


What do they call red corundum?

Red corundum is called ruby.


Can quartz scratch corundum?

According to the Mohs scale of mineral hardness, quartz (7) will not scratch any mineral with a higher number on the scale. Corundum is listed at 9. Therefore quartz will not scratch corundum, but corundum can scratch quartz.


What percentage of rubies is corundum?

100% of rubies are corundum. "Ruby" is a name made up by the gem trade for the mineral known as corundum, when it is red.


How is the mineral corundum extracted from earth?

Corundum is extracted from the earth through mining. The mineral is typically found in deposits known as corundum sites, where it is usually embedded in rocks or sediments. Once the corundum-containing ore is mined, it is processed to extract the corundum crystals for various industrial and commercial uses.


What abrasives are corundum used in?

Corundum is used as an abrasive powder to polish lenses.