Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en portor marble300011539black and gold marbleblack-and-gold marblemarble, black-and-goldmarble, portorporto marble A marble from Portovenere and the island of Palmaria in Liguria, Italy. The best grades are dark black with evenly distributed dull golden veins while the inferior grades are brownish gray with irregular veins and spots of dull yellow. marbre portor mármol portor 2026-03-30 21:03:09