Slate Table Tops from Artistic Slate are available in a variety of finishes and natural colors, and can be made into any shape desirable:
3mm composite (mixed colors)   octagonal top
6mm chips in acrylic   barbeque top
12mm chips in acrylic   square top
Colors: Blue-grey Green Plum
Grey granuals Green granuals Plum granuals
Grey chips Green chips Plum chips