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Is corundum soft

Anonymous

∙ 11y ago

Updated: 8/4/2025

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.

AnswerBot

∙ 1mo ago

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What is the plural of corundum?

Corundum.

Which crystal system does corundum have?

Corundum is in the trigonal crystal system.

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 !

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 abrasives are corundum used in?

Corundum is used as an abrasive powder to polish lenses.

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 do you call a red corundum?

Red corundum is called ruby.

What is the chemical name for corundum?

Corundum is aluminium oxide, Al2O3.

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 they call red corundum?

Red corundum is called ruby.

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.

Can quartz scratch corundum?

Is corundum the hardest rock?

Corundum is a mineral, therefore it could not be the hardest rock.

What abrasives are corundum used in?

Corundum is used as an abrasive powder to polish lenses.

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Is corundum soft

What else can I help you with?

What is the plural of corundum?

Which crystal system does corundum have?

What is the only mineral that can scratch corundum?

Can quartz scratch corundum?

What abrasives are corundum used in?

What is the plural of corundum?

Is corundum hexagonal or cubic?

Which crystal system does corundum have?

What important uses does corundum have?

What do you call a red corundum?

What is the chemical name for corundum?

What is the only mineral that can scratch corundum?

What do they call red corundum?

What percentage of rubies is corundum?

Can quartz scratch corundum?

Is corundum the hardest rock?

What abrasives are corundum used in?

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