It is made up of a continuous framework of SiO4 silicon-oxygen tetraheda, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2.
Atamku wuxuu ku xiran yahay qaab isdaba joog ah ee SiO4 silicon - oxygen tetrahedra, iyadoo oksijiin kasta la wadaagayo inta u dhexeysa laba tetrahedra, isagoo siinaya qaaciddada kiimikada guud ee SiO2.