The distinctive beauty of Tuscan Beige is the shades of bluish gray greens with deep ochre orange and tan accents. These tiles are naturally split and are perfect for around your pool and as backing tiles, they are slip resistant due to the texture of the stone. Limestone is composed of the mineral calcite, and often contains fossils of shellfish that lived in shallow seas where it was formed. Impurities during formation, such as clay, sand, iron oxide and other minerals cause the amazing colour variations available