... 3. Size 200*400/250*400/400*400 Natural Roofing slate (roof tile) 1.Natural finish.a little bit rough ... , pentagonal, rhombic 3.Slate application: Indoor and Outdoor decoration, Garden, Villa wall decoration. 4.Available color: black, rusty, green, beige ... , white quartzite, pink quartzite, black quartzite, red quartzite, pink and etc. 5.Slate pattern: slate tile, slate floor(paving stone), wall tile ...