As the title said, this part is specially for professional builders as : architect, designer, project manager, etc.
Those peoples have to search stones with technical specification saying if they can use or not in such place in project.
Our database contains about 3500 different kinds of limestone, marble, granite, etc. The selection can be done as per : color, material type, country, type of use (French norms), quantity, etc.

For sure, everybody can search material inside, you just have to click on ESPACE PRO