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'''Quartz''' is the most common mineral found on earth.  More accurately, Silicon Dioxide, quartz has a chemical composition of SiO₂ arranged in a repeating latice forming crystals.  If the quartz is pure it would be clear, but the colored variations are created because of impurities in the crystal.

'''Quartz''' is the most common mineral found on earth.  More accurately, Silicon Dioxide, quartz has a chemical composition of SiO₂ arranged in a repeating latice forming [[crystal|crystals]].  If the quartz is pure it would be clear, but the colored variations are created because of impurities in the crystal.

<br> Quartz is used in a number of applications such as glass making, optical lenses, abrasives, in electrical components or decorative gemstones or other stone.

<br> Quartz is used in a number of applications such as [[glass]] making, optical lenses, abrasives, in electrical components or decorative gemstones or other stone.