Calcium carbonate

Definition: Calcium carbonate is a chemical compound with the chemical formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite, most notably in chalk and limestone, eggshells, gastropod shells, shellfish skeletons and pearls. Materials containing much calcium carbonate or resembling it are described as calcareous. source: Wikipedia

ID

387307005

ID date

7 Nov 2006

Previous ID

3518811000001101

Name

Calcium carbonate