... .High hardness, Good Wear Resistance 2.Green quartzite,multicolor quartzite,wall covering natural quartzite stone Directly green quartzite, mushroom stone, culture stone from slate quarry ... , 12-14mm, 15-20mmColorblack,green, rusty, grey,yellow, brown etc.Finishhoned or natural splitStyleTile, Wall panel, crazy paving, roofing slate,mosaic etc ...