black basalt stone 1)Finish:polish,flamed brushed,honed,,natural,tumbled 2)Usage:Tile,paver,flooring,wall 3)Color: Black Black basalt stone ItemBasaltBlack Basalt, Basalt Rock, Exterior Wall Basalt Stone,Grey Basalt, Basalt Stone1ColorBlack, Grey 2FinishedPolished, Honed, Flamed, Sandblasted, Rough hammered, Bush hammered, Rough picked, Axe-cut, etc. 3UsageIndoor and out door decoration building ...