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Silicon Dioxide (known as Quartz) is not the hardest mineral, the hardest mineral is an allotrope of carbon called diamond. Quartz is only the 7th hardest mineral.

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15y ago
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1mo ago

Diamond is the hardest mineral in the group, ranking 10 on the Mohs hardness scale. It is composed of carbon atoms arranged in a crystal lattice structure, giving it exceptional hardness and durability.

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12y ago

quartz

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6y ago

diomand

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Q: What is the hardest mineral in this group?
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