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Titre: Quartz is a mineral composed of silicon and oxygen atoms.
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Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar.
Crédit: Album / Universal Images Group / Universal History Archive
Taille de l'image: 5100 × 3179 px | 46.4 MB
Taille d'impression: 43.2 × 26.9 cm | 2007.9 × 1251.6 in (300 dpi)