This is the accent tile i found. it's marble and expensive, but even if $ were no object i think it would be too busy. I am thinking two rows of it and then just a textured cream stone of some sort above and below it. I showed the woman the pic on my phone of the light fixture and she agreed immediately that this is perfect.
![](http://www.mosaictileco.com/Tile%20Images%20-%20Zoom/Natural%20Stone/Onyx/Honey-Onyx-Spiral-Mosaic.jpg)