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A diamond

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Q: Which natural-substance on earth is the hardest?
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Hardest thing on Earth?

diamond is the hardest thing on earth


What is the hardest mater on Earth?

The hardest matter on earth is Diamond.


Is quarts the hardest mineral on earth?

Diamond is the hardest mineral on earth.


Is diamond the hardest thing on earth?

yes diomand is the hardest thing on earth


Which rock on earth is the hardest?

The diamond is the hardest rock (or mineral).


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.


Is a diamond the hardest object?

Yes, diamond is the hardest mineral on earth.


What is the hardest stubstance on earth?

Diamond ( an allotrope of carbon) is the hardest material known.


Is graphene is hardest thing in the world?

No,diamond is the hardest known substance on Earth.


Are diamonds the hardest precious stone on earth?

Diamond is the hardest mineral known.


Is diamond hard on the Earth?

Diamond is the hardest natural mineral on earth, measuring 10 on the Mohs scale, where 10 is the hardest mineral.


What are the hardest to softest layers of earth?

the hardest layer of the earth's surface is the crust because it is made up of rocks and other hard materials