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Quartz, topaz, emerald, corundum.

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10y ago

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What rocks can scratch a diamonds?

Diamonds can only be scratched by other diamonds. Diamond is the hardest natural mineral.


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A diamond can only be scratched by another diamond due to its hardness. No other material is hard enough to scratch a diamond.


Which rocks are harder than a nail?

Rocks that are harder than a nail, which typically has a hardness of around 5 on the Mohs scale, include quartz, topaz, and diamond. Quartz, with a hardness of 7, is commonly found in various types of rocks. Topaz ranks at 8, while diamond is the hardest known natural material, scoring a 10 on the Mohs scale. Other hard rocks include corundum and garnet, which also exceed the hardness of a nail.


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.


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No. You can't make a solid diamond sword there needs to be high pressure and heat to even make a shapeless diamond. To add onto this answer-even if it was possible, diamond would not be a suitable blade material. It is hard, but that does not mean it is strong. It could not withstand the lateral forces swords are subject to.


Can quartz scratch other rocks and minerals?

Yes, quartz is considered a hard mineral ranking 7 on the Mohs scale of hardness, making it able to scratch most other minerals. However, there are harder minerals such as diamond and corundum that can scratch quartz.