Cobblestones Granite, Basalt, Porphyry, Lime and Sandsonte are produced in various sizes, colors as well as surfaces and can be used for exterior construction (roads, squares, private as well as public projects). Alba G Sand Gray granite Kavala Tumbled Karystos Mandana Yellow granite Red granite Marble Tumbled Porphyry Chrysavgi Ochre Kavalas machine split Kavala machine cut Basalt Basalt Tumbled