Cales de Llierca, S.A.

is a leading producer of Precipitated Calcium Carbonate (PCC), high quality lime and derived products.

Our company can be considered one of the most experienced companies in its field.

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Productos cálcicos y minerales industriales / industrial minerals

Calcium-based products & industrial minerals


Cales de Llierca is committed to the quality and products diversity during its long domestic and international career, with a clear export vocation and strengthening of its products in several markets worldwide.


Industrial minerals are geological materials which are mined for their commercial value and are used in the industries based on their physical and/or chemical properties. They are used in their natural state or after beneficiation either as raw materials or as additives in a wide range of applications.


Typical examples of industrial rocks and minerals are limestone, clays, sand, gravel, diatomite, kaolin, bentonite, silica, barite, gypsum, and talc. Some examples of applications for industrial minerals are:


The company has an integrated production process that includes the selection and extraction of the raw material (limestone) from its own quarry, calcination in kilns, calcium oxide and hydroxide processing facilities, and Precipitated Calcium Carbonate (PCC) production. The whole result is a wide variety of industrial minerals and calcium-based products used in many industrial applications, such as agriculture, paper, construction, coatings, automotive, food, feed, steel, chemical industry, plastics, etc.Cales de Llierca is a part of the Calcinor group and currently carries out a mutual collaboration with the company Eurominerals, consolidating  the presence of its products throughout Europe and introducing other industrial minerals based on high purity macro-crystalline talc, dolomite, zeolite and composites used as titanium dioxide extender