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Is corundum harder than diamond

Updated: 9/23/2023
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11y ago

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No. Diamond is the hardest mineral. It measures 10 on the Mohs scale: Corundum measures 9, which is less hard than diamond, as below.

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Q: Is corundum harder than diamond
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Is feldspar the hardest mineral next to a diamond?

No Feldspar is rated 6 on the Mohs Scale and diamond is rated 10. The mineral which is rated 9 on the Mohs is Corundum but there are other minerals which are harder that that but less harder than diamond.


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If you mean isn't harder than quartz but harder than apatite ( you spelled it wrong), that would be Orthoclase Feldspar. Else the minerals that are harder than both apatite and quartz are topaz, corundum, and diamond (diamond being the hardest, well the hardest non synthetic mineral).


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What minerals are harder than blade?

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