Diatomaceous aiye jẹ iru biogenic siliceous sedimentary apata, nipataki kq atijọ diatomu ku.Awọn akopọ kemikali rẹ jẹ akọkọ SiO2, ti o ni iye kekere ti Al₂O₃, Fe₂O₃, CaO, MgO, K₂Lori₂O, P₂O₅ati Organic ọrọ.Awọn lilo akọkọ ti diatomite jẹ awọn iranlọwọ àlẹmọ, awọn kikun, awọn adsorbents, awọn gbigbe katalytic, awọn ohun elo ile ore ayika ati bẹbẹ lọ.