The vast majority of Calcium Carbonate used in industry is extracted by mining or quarrying. Pure calcium carbonate (e.g. for food or pharmaceutical use), can be produced from a pure quarried source. Calcium Carbonate has many different uses, did you know fine ground calcium carbonate (GCC) is an essential ingredient in the microporous film used in babies’nappies and is in the majority of chocolate we consume?
For further information please follow the link: Calcium Carbonate