Giant Quartz Found
Автор: Steve Winkelman
Загружено: 2023-07-01
Просмотров: 1408
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Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
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