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{{Wikipedia|Quartz}} | {{Wikipedia|Quartz}} | ||
'''Quartz''' (from German "Quarz") is the most abundant mineral in the [[Earth]]'s continental crust. It is made up of a lattice of silica (SiO2) tetrahedra. Quartz has a hardness of 7 on the Mohs scale and a density of 2.65 g/cm³. | '''Quartz''' (from German "Quarz") is the most abundant mineral in the [[Earth]]'s continental crust. It is made up of a lattice of silica (SiO2) tetrahedra. Quartz has a hardness of 7 on the Mohs scale and a density of 2.65 g/cm³. | ||
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==Sources== | ==Sources== | ||
{{Ref/Sources}} | |||
[[Category:Materials]] | [[Category:Materials]] |