Corundum is a mineral composed of aluminum oxide with traces of other elements that give it its various colors. It is commonly known for its gem varieties such as ruby and sapphire, which are prized for their beauty and hardness. Corundum is one of the hardest minerals, second only to diamond, making it ideal for use in various industrial applications.

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What is corundum?

Anonymous

∙ 11y ago

Updated: 5/31/2024

Corundum is a hard mineral, a form of aluminium oxide which occurs in sapphires and rubies.

Wiki User

∙ 11y ago

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Could corundum scratch topaz?

Yes. Corundum will scratch topaz and every other mineral with a hardness of 9 or lower on the Mohs hardness scale.

What is the mineral group for ruby?

Rubies are part of the corundum mineral group.

What is a synonym for corundum?

complex

Is corundum harder than diamond?

No. Diamond is the hardest mineral. It measures 10 on the Mohs scale: Corundum measures 9, which is less hard than diamond, as below.

What do the call a red colored corundum?

spinel,rutile,rubelite,rubasse,rose quartz,jacinth,red zircon,garnet,cornelian,beryl,almandine

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?

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.

Is corundum the hardest rock?

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

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