1.) Quanlity : 100% A grade 2.)Type: slate/natural stone tile. 3.) Color /Finishing : as per customers requirement ... :Rusty,Beige ,Black,Yellow,Green,Gray,Brown.etc d)Lithology:Slate,Quartzite,Basalt,Limestone,Marble,Sandstone,Travertine,Artifical stone ,shale ,etc ...