Futhi Yazi Njengebanga elinokuhlanzeka okuphezulu nge-Sio2 cishe ku-99.7% -99.99%.
Sikhetha i-quartzite emsulwa ephezulu ezindaweni zase-Donghai naseXinyi njengezinto ezingavuthiwe.Ngemuva kokwelashwa kokugeza i-asidi, i-silica ye-crystalline iguqulwa ibe yi-silica e-amorphous enenani elincane lokungcola esithandweni sokumelana nezinga lokushisa eliphakeme lika-1700ºC.Ngemuva kokucubungula okukhethekile kwemishini, ukuhlolwa, ukukhishwa kwensimbi kanye nezinye izindlela zokwelapha zokukha, i-quartzite yokuhlanzeka okuphezulu yenziwa ibe izigaxa, ama-granules kanye nemikhiqizo eyimpuphu.