Cotterpine That looks a Quartz tabletop. In Silestone I remember they have a few with the same pattern but smaller size. Have a look at the Silestone website, the name of the stone was Tutti Frutti and is basically a man made stone that can be made from other supplier of Quartz.

http://www.decorablog.com/wp-content/2012/03/encimera1.jpg

Jones Design Build The counter is a custom top made locally. The green tag gives more details.
It is about 3' wide by 10' long.
Glad you like it!