Petra Grigio is a dark grey porcelain slab that features soft white strokes recreating the beauty of marble. Petra Grigio embodies this vibrancy of darkness, expressing threads of subtle white across a rich two-toned grey background. This large format porcelain slab is available in honed, leathered and polished finish. Create stunning fireplaces, countertops, integrated sinks, stone walls, stairs and more, versatile for indoor/outdoor uses.