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Quartz
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Mineral made of silicon and oxygen
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Quartz is a hard mineral composed of silica (silicon dioxide). Its atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen atom being shared between two tetrahedra, giving an overall chemical formula of SiO2. Therefore, quartz is classified structurally as a framework silicate mineral and compositionally as...

Instance of
mineral species
Subclass of
dioxosilicate minerals (silica family)
Tectosilicates
Part of
Sand
Wikidata