tsiezzi Caracara Oro, it's an Italian marble. They also used slab material of Calacatta Oro for the backsplash as well (not tiles). Sealing will help with staining, but anything acidic will dull your polish instantaneously. Scratching and aging, creating an aged patina look, will defiantly occur. Chipping can occur as well.
Christian Gladu Design This is a square edge slab with a secondary piece adeheard to the bottom of the slab to give the slab depth.All the edges are slighly eased.