1.) Quanlity : 100% A grade 2.)Type: slate/culture stone. 3.) Color /Finishing : as per customers requirement a)Dimensions:900* ... d)Lithology:Slate,Quartzite,Basalt,Limestone,Marble,Sandstone,Travertine,Artifical stone ,shale ,etc e)Thickness:10~15mm,15~25mm , 20~35 ... . g)Shape:Panel , Tripe,Nature,cube ,fishing scale ,etc . slate flooring tiles