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It is the most prestigious of minerals, for its rarity, its simple chemical formula, and its physical qualities. Its etymology is reflected elsewhere. ?Diamond' comes from the Greek Adams, "we cannot tame or break."

Diamonds are composed of pure carbon in which each atom is bonded to its four neighbors by strong bonds (covalent), forming a compact cubic lattice and are therefore in the shape of a cube.

Its derivatives are octahedron, dodecahedron rhombic, and tetrahedron. This is the hardest natural substances (index 10 on the Mohs hardness scale). A diamond scratches every other body, and is removed by itself, but it may break under impact.

Tags: diamonds, octahedron, dodecahedron rhombic, tetrahedron

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