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Scientists Are Making ‘Super-Diamonds’ Harder Than Any Mineral on Earth

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Lonsdaleite is a carbon allotrope that exists in another form due to its environment.

It was first identified in 1967 when scientists examining a meteorite in Canyon Diablo , Arizona .

While diamond forms with a tetrahedral arrangement in its carbon lattice (known as diamond cubic) while lonsdalite forms a hexagonal one that increases thermal stability and hardness.