Quartz is the most abundant mineral in the Earth's continental crust. It is made up of a lattice of silica (SiO2) tetrahedra,and forms hexagonal crystals,as seen here | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Camazine, Scott |
Taille de l’image : | 3493 px × 4961 px |
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