"During number of the last centuries, the civilizations all over the world let us monuments at that we look nowadays with a big admiration and made all our possible to protect them, to renovate them and to restore them. The secret behind the nobility of these monuments always combined refined architecture and precise choice of the materials; the natural stones and marbles always coated the buildings of nobility and prestige since with its color and its aspect the stone puts the monument in its adequate geographical, cultural and social setting. It is not by chance that the cathedral of Tunis (ex. Saint Vincent of Paul cathedral - 1648) thrones since the XVII th century and donned majestically with the marblestone of "Jebel Gattouna". We fight today, to let for the future generations, as prestigious and worthy monuments of our civilization while using the last technologies of the domain to assure that our marble is a material of tendency for a contemporary and futuristic" architecture.