What is the Hardest mineral except diamond?
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Diamond is always at the top of the scale, being the hardest mineral. There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, feldspar, quartz, topaz, corundum, and for last and hardest, diamond.
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Answer:
Cubic Boron Nitride
Explanation:
Cubic Boron Nitride is second hardest mineral
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