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Though glass and quartz are both made up...

Though glass and quartz are both made up of `SiO_4` they differ structurally. Mention the main structural difference between them.

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Quartz is a crystalline solid in which C0nstituent particles .(SiO_4.. tetrahedra) are arránged in a reguİar manner whereas glass is amorphous solid in which the .SiO_4^prime. tetrahedra do not have a long range order.
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