Profile: Casa bella deals with the distribution of granite, marble and other natural stones. Our slab inventory comprises of granite, quartzite, soapstone & glass, marble & onyx, Portofino slabs, travertine and limestone. The Portofino line deals with engineered marble products. The Portofino blocks are made by combining and compacting the materials using a vibrocompression vacuum process. They have a higher percentage of natural stone than in aggregate slab products. Our granite tile range includes 12" X 12" Baltic brown, black absolute super, black galaxy, and Giallo ornamental range.