what is quarry tile made of
Quarry tiles get their color from the choice of natural raw materials put into the mix to create the tile. Quarry tiles with a base of shale generally have a red or brown color. Tiles with a base of clay generally have a gray or beige color. Some quarry tile is produced with a shade variation from tile to tile. This classic architectural look (sometimes known as flashing) is achieved through controlling the flow of oxygen and gases in the kiln.