Precipitate calcium carbonate. Iyo inogadzirwa yemhando yepamusoro calcium carbonate (limestone) sechinhu chakagadzirwa. Iyo kuburikidza necalcine,
kugaya, kabhoni, kunyorova, kusefa, kuomesa uye kupwanya
Izvo zvigadzirwa zvinoratidzirwa zvakakwirira kuchena, kukwirira kupenya, yunifomu kugoverwa kwezvimedu, yakatetepa
dhayamita kugovera etc.