Keywords: SiO2 Quartz extra-O.svg chemical structure of Quartz SiO²_Quartz svg 2010-01-01 13 23 UTC SiO²_Quartz svg Wimmel derivative work Matt <span class signature-talk >talk</span> added fourth silica atom to show tetraedic bonding of SiO<sub>4</sub> Matthias M SiO²_Quartz svg Quartz Silicon dioxide Chemic</nowiki> Uploaded with derivativeFX Category Quartz diagrams and drawings |