... LTD. specializing in all kinds of constructional products in natural stone .Product: ZP Black BasaltColor: BlackFinished product: Tile, , ... Stairtread,Pavingstone, Cobble ,Kerbstone ,Wall stone Surface finished: Flamed ,Split , AntiquePacking: Strong wooden crate with ... via fax or email.Material InformationZP BASALT Origin: Fujian China Bulk Density: 3.0 G/cm3 Be fit ...