Slates is World's 4th Natural Stone Exporter Yellow SlateColour: Yellow CO2: 92.21% Al2O3: 5.09% K2O: 1.78% TiO2: 0.59% MgO: 0.74% Weather Impact: Resistant Usage Areas: Indoor & Outdoor Flooring, Wall Cladding Applications, Stairs and Ornamental Applications Silvery SlateColour: Silver CO2: 92.21% Al2O3: 5.09% K2O: 1.78% TiO2: 0.59% MgO: 0.74% Weather Impact: Resistant Usage Areas: Indoor & Outdoor Flooring, Wall Cladding Applications, Stairs and Ornamental Applications Whatsapp