Table top surface material

We've decided to build the kitchen table, as it ended up being an odd size and it is still less expensive to build it ourself anyway. We decided to use polished travertine (natural stone) tiles for the surface. We only need six of the tiles, so the grout joints will be very minimal. It should be very flat and smooth when it's done, kind of like the countertops. I think I'll also repeat this stone on our fireplace hearth. I'll have to wait and see.