Grey Marengo and Negro Laguna marble from Alconera (Extremadura, Spain) are backed by their official CE Performance Declaration, issued in compliance with European Regulation 305/2011.
This certified document, based on tests conducted at the CTM of Cehegín (Centro Tecnológico del Mármol, Rocas y Materiales – ctmarmol.es), confirms that these marbles meet the highest standards for physical-mechanical properties, endorsing their use in flooring, cladding, and landmark architectural projects.
CE Declaration: quality guarantee for marbles in international projects
The declaration confirms that the marble extracted from the María del Carmen Concession (VALEXMAR) ranks among the highest-quality marbles internationally, comparable to prestigious Italian references.
Grey Marengo and Negro Laguna: durability, strength and higher economic yield
For investors in marble quarry concessions, this certification not only guarantees durability and resistance, but also greater economic performance.
The homogeneity of their technical values reduces waste during extraction, enabling a higher yield of large and medium-sized blocks, as well as in transformation processes such as cutting slabs, tiles, and other stone elements.
CE report and strategic value for investors in marble quarries in Spain
The quality certified under UNE-EN and CE standards positions this marble quarry in Alconera as a differentiated opportunity within the natural stone market.
With vast reserves available and a proven track record in emblematic projects, Alconera marble combines mining viability with guaranteed commercial performance.
👉 To access the full CE Performance Declaration and other technical reports (chemical composition, SRI, etc.), please contact us. The full dossier is available under NDA.