Isi ya Diatomaceous ni ubwoko bwa biogenic siliceous ubutare bwimitsi, bugizwe ahanini nibisigazwa bya diatom ya kera.Ibigize imiti ni SiO2, irimo Al2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 nibintu kama.Imikoreshereze yingenzi ya diatomite ni infashanyo zungurura, zuzuza, adsorbents, abatwara catalitiki, ibikoresho byubaka ibidukikije nibindi.