A tile made from slate, a metamorphic rock which can be found in large deposits all over the world. Slate tile has been used in flooring for centuries and is an excellent surface for counters because it has great thermal resistance, allowing people to set hot pots and pans directly onto slate tile.
Marble have a beautiful, unique look like no other surface, with all their whirling patterns and shade variations. All natural, marble floor tiles are quarried from mountain ranges in countries around the world, and are available in a number of different finishes, sizes, and colors.
Granite is formed under very high heat and has a crystalline structure instead of a layered structure like sedimentary rock. Tile made from it is quite dense, with a strength similar to porcelain is a good choice for kitchen countertops; using tile rather than solid granite cuts the expense drastically.
Formed over millennia in subterranean water systems, and in the beds of ancient oceans, limestone tile makes a unique decorative statement in a variety of settings, and for a variety of uses too. Rugged, durable, yet with a refined beauty all of its own, limestone tile is gaining in popularity as flooring, and for use in exterior facades.
River Rock Tile
Small river rocks mounted on flexible, webbed sheets make it easier to install the rocks as tile with uniform grout lines and a reasonably level surface. You can also install individual river rocks as tile, which is often necessary if you prefer larger stones. River rock uses the same installation materials as manufactured tile.