1942
Foundation of MINERSA (Minerales y Productos Derivados, S.A.), which initiates its operations to extract, concentrate and comercialize industrial minerals. At that time , fluorspar and byproducts such as lead and zinc concentrates.

1980
Foundation of S.A. SULQUISA. Minersa expands its activities to the Anhydrous Sodium Sulphate of the highest quality. Sulquisa will be succesively expanded in later years.

1985
Foundation of SEPIOL, S.A., which is intitially focused to the extraction and comercialisation of sepiolite.

1998
Sepiolsa extends its activity to the extraction and comercialisation of bentonite.

1996
MINERSA acquires DERIVADOS DEL FLUOR, S.A. (DDF). This company had originally been created as a chemical division within Minersa, but it was later separated and sold to Bayer. DDF is today one of the most important inorganic fluorochemical producers in Europe.

1999
Foundation of MIMEX intended as a company to import minerals and chemical products to complement those produced by Minersa and so provide a better service to the customers of the group. Mimex has developed as an open trading company.

1999
MINERSA increases its interest in the fluorspar business by the acquisition of a minority share of Vergenoeg in South Africa. Minersa starts to supply know-how to that operation (technology, marketing...) .

2007
Foundation of ANHIVEL. This company specializes in the development, production and comercialisation of self leveling floors of high ecological value.

2010
MINERSA reaffirms its commitment with South Africa by the acquisition of a mayority share of VERGENOEG, and by the continuation of the efforts to turn it into one of the most important fluorspar producers in the World. By this time we had already provided the most extensive and diversified customer base, whcih are spread in all continents.

2012
MINERSA is 70 years old (or young! ). We have gaigned a tremendous wealth in experience and knowledge and achieved leading positions in fluorspar, sodium sulphate, sepiolite... Our plants and offices extend to Spain, France, Italy, Belgium, Germany, Senegal, China and South Africa, and we are ready to grow.