NanJing Green Helper Enviro Protection Tech Co.,Ltd.

Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite(most notably as limestone, which contains both of those minerals) and is themain component of pearls and the shells of marine organisms, snails,and eggs. Calcium carbonate is the active ingredient in agricultural lime and is created when calcium ionsin hard water react with carbonate ionsto create limescale. It is medicinally used as a calcium supplement or as an antacid, but excessive consumption can be hazardous.