... Strong Package,Cheap Price 4)Fast Delivery Gray and Black Basalt Basalt has two color tones as Grey and ... tiles,flooring,stairs,window-sills,countertops, pavers,steps,kerbs,cubeston,etc. Product Information NameBasalt Stone,Black BasaltColor Range:Light Black,Dark Black. ... Paving,Mosaics etc.Usage:Black Basalt Can be made into wall stone cladding,blindstone,tiles,flooring,stairs,window-sills,countertops ...