This is a semi-precious stone slab made of some kind of agate. I am sure that Kitchens Unlimited can provide the manufacturer that provided it for this project.

Looks like Cosentino's Prexury collection.

http://www.cosentino-group.net/prexury/

This countertop is made by Caesarstone's Concetto collection. It is made from geodes and put together with a resin. Very beautiful! Thank you for your interest!