Silicon dioxide (SiO₂)

Silicon dioxide (SiO₂)

A polymorphic compound, mostly found in the form of quartz.



silicon dioxide, quartz, sand, covalent network structure, gemstone, Quartz crystal, Amethyst, Flint, Agate, asbestos, glass, Glass manufacture, inorganic chemistry, chemistry

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A crystalline substance, an extremely important material in the electronics industry (semiconductors, integrated circuits).

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Crystalline allotrope of elemental carbon, the hardest known natural substance.

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A crystalline allotrope of carbon which was discovered at the end of the 1980s.


One of the crystalline allotropes of elemental carbon.

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