Zivawo segiredhi rine kuchena kwepamusoro neSio2 yakatenderedza 99.7% -99.99%.
Isu tinosarudza yakakwirira kuchena quartzite kubva kuDonghai neXinyi nzvimbo seyakagadzirwa zvinhu.Mushure mekurapwa kweasidhi yekugeza, iyo crystalline silica inoshandurwa kuita amorphous silica ine tsvina shoma muvira rekudzivirira pane tembiricha ye1700ºC.Mushure mekukosha kwemuchina kugadzirisa, kuongorora, kubviswa kwesimbi uye kumwe kunhonga marapiro, iyo yakakwira kuchena quartzite inoumbwa kuita mapundu, granules uye zvigadzirwa zvehupfu.