Calcium carbonate

Calcium carbonate CaCO3 is a common chemical compound found naturally in rocks (limestone, chalk), shells, and pearls, used widely as a dietary calcium supplement, antacid for heartburn.

Key Properties & Forms Chemical Formula:

CaCO3 Appearance: Fine white powder or colorless crystals.Minerals: Calcite, Aragonite (in shells, pearls).

Solubility: Insoluble in water but dissolves in dilute acids.

Common Uses Medicine: Antacid for indigestion, calcium supplement for osteoporosis.

Food: Dietary supplement, food additive (E170)

Agriculture: Animal feed supplement for livestock.