Marble Worktops in Oxford Browse through our large variety of different shades and colors of granite: Black SlateBlack-Slate-130 Blanco Thassos Blanco-Thassos-266 Cream MarfilCream-Marfil-167 Emperador OscuroEmperador-Oscuro-159 This dark green based granite, almost black has natural flicks of white running through.Green Savana