Prized by the ancient Romans for durability and aesthetics, Travertine has been used for outdoor and structural use for centuries. Travertine is a sedimentary limestone deposited by mineral springs with formations located all around the world and is characterized by organic pitting and beautiful and unique patterns . Our Dark Grey Travertine is hand-selected for it's wonderful swirling balance of grey, brown and charcoal adding a bold but tonally cohesive statement to our tables. While incredible strong and durable, we fill and seal this Travertine in the production process, adding a smooth hand and extra layer of protection from use and the elements.