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Which rock on earth is the hardest?
The diamond is the hardest rock (or mineral).
What is the hardest natural rock on Earth?
diamond
Is a diamond a hard rock?
Yes, it is the hardest natural rock on earth.
What is the second hardest rock on earth?
The second hardest rock on Earth is quartz. It ranks below diamond in terms of hardness on the Mohs scale.
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 is the hardest rock found on earth?
diamonds- mrs. lautner
Is corundum the hardest rock?
Corundum is a mineral, therefore it could not be the hardest rock.
What is the most precious stone?
diamond because it is beautiful and the hardest type of rock
What is the hardest mater on Earth?
The hardest matter on earth is Diamond.
What is called the hardest rock?
The hardest substance in a rock would be the hardest mineral of which the rock is composed.
What is the hardest rock?
1.talc2.gypsum3.calcite4. fluorite5.apatite6.feldspar7.quarts8.topaz9.corundum10.diamond
What is the second hardest rock in the world?
Diorite is the second hardest rock in the worl - Vellond
