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In its natural state, corundum looks like most grayish red rocks. However, a trained eye would be able to see the rough sapphires and other gems that may be contained in them.
Wiki User
∙ 9y ago
Wiki User
∙ 11y agoCorundum is very rough considering it has a hardness of 9 out of 10. It looks like a ruby or sapphire because they are both corundum.Its shiny and comes in many forms.
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What is the plural of corundum?
Corundum.
What is the hardest rock in the world besides diamond?
The hardEST is a diamond, and some other hard ones are corundum and topaz. If you look up Moh's hardness scale, it will show you some.
Which crystal system does corundum have?
Corundum is in the trigonal crystal system.
What are facts about the mineral corundum?
Pure corundum is clear in color.
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 are blue like rubys?
Ruby is the common name for the reddish variety of the mineral corundum. Blue corundum is called sapphire.
What is the plural of corundum?
Corundum.
Why is corundum magnetic?
Corundum is not magnetic.
Is corundum hexagonal or cubic?
Corundum ( (Al_2O_3) ) is hexagonal in crystal structure.
What is the hardest rock in the world besides diamond?
The hardEST is a diamond, and some other hard ones are corundum and topaz. If you look up Moh's hardness scale, it will show you some.
What important uses does corundum have?
Corundum is used for jewlery
Which crystal system does corundum have?
Corundum is in the trigonal crystal system.
What do you call a red corundum?
Red corundum is called ruby.
What are facts about the mineral corundum?
Pure corundum is clear in color.
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 does chalk look and feel like?
look like a cylinder, cirgarette, stick. feel powdery, smooth, and hard
