Isi ya Diatomaceous ni ubwoko bwa biogenic siliceous ubutare bwimitsi, bugizwe ahanini nibisigazwa bya diatom ya kera.Ibigize imiti ni SiO2, irimo Al nkeya₂O₃, Fe₂O₃, CaO, MgO, K.₂Kuri₂O, P.₂O₅n'ibinyabuzima.Imikoreshereze yingenzi ya diatomite ni infashanyo zungurura, zuzuza, adsorbents, abatwara catalitiki, ibikoresho byubaka ibidukikije nibindi.