Natural stone like this beautiful black 8 x 20 Thunder Black Honed Slate Tile is an excellent flooring choice. A satin-smooth finish with a natural look, honed finish tiles are a perfect fit for any room. Slate is a fine-grained material consisting of quartz, mica, chlorite, and calcite. It has become a popular flooring choice after having been commonly used for outdoor purposes for many years. It is water resistant and stain resistant when sealant is applied, so it is ideal for bathroom and kitchen floors. This attractive flooring choice is durable and easy to maintain. | Rock Ridge | Thunder Black Honed Slate Tile, 8 x 20, 1/2 inch Thick - Floor & Decor