we are the company pietratrading ( ) from italy, we are quarry owner of Travertino romano san peter.Our quarry is besed near Roma, and we have a monthly production up to 15.000 tons of blocks.We look for exclusive importers/distibutors .The travertino san peter ( san pietro ) is the oldest italian travertine, it has been used from the romans for build the colosseum and the vatican. The chemical analyses are:Volumetric weight : 2767 Kg/m3 Compression strength : 1114 Kg/cm2 Bending strength : 153 Kg/cm2 Abrasion resistance : 0, 56 mm Absorption : 0, 81 % by weight Coeff. thermal expansion : 0, 0048 mm./m. oC