Quartzite floor tiles and quartzite stone tiles have various levels of porosity, hardness and compressive strength. They are best suited for exterior and interior applications. Quartzite floor tiles, quartzite stone tiles, floor stone tiles renders a graceful, natural finish to any building and is more cost effective than other wall and floor coverings. All natural quartzite stones are fireproof and non-slippery. It is used in architecture, flooring, wall cladding and roofing etc. The usual colors of quartzite are black, dark grey, greenish grey, copper and purplish grey.