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What rock or mineral is the hardest?
Corundum.
Is Diamond is the hardest mineral and can it scratch corundum?
no it can't
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 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 is the second hardest natural substance on earth?
The hardest substance that is naturally occurring is a diamond. However, there are harder substances that have been made by scientists in labs.
What gemstone is the second hardest?
Corundum. (Sapphire/Ruby/Emery)
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.
Can corundum be scratched by diamond?
No, corundum cannot be scratched by diamond. Diamond is the hardest known mineral on the Mohs scale, ranking at 10, while corundum ranks at 9. This means that diamond can scratch corundum but not vice versa.
What are the three hardest stones or rocks on the planet i know diamond is the hardest what are two and three and where does quartz feature on the list please?
The second hardest mineral is moissanite, which is a naturally occurring mineral made of silicon carbide. The third hardest mineral is corundum, which includes gemstones like sapphires and rubies. Quartz ranks as number seven on the Mohs scale of mineral hardness, making it less hard than diamond, moissanite, and corundum.
Is corundum a mineral or a rock?
It is a Mineral
Which mineral has the same hardness as corundum?
Diamond is the only mineral that has the same hardness as corundum, which is the second hardest natural mineral on the Mohs scale after diamond. Both corundum and diamond have a hardness of 9 on the Mohs scale.
What is the second hardest mineral on the Mohs scale after diamond?
On the Mohs scale of mineral hardness, corundum is listed as a 9, below diamond which has a rating of 10.
