... volcanic stone: 1)Name:volcanic stone 2)Material:Basalt 3)Size:Decided by Client's Design 4)Paving Usage:Floor Tile natural volcanic ... stone:1) natural volcanic stone Size available: a) 305×305mm( ... , honed, flamed,bush-hammered,sawn ect.4)natural volcanic stone size available: a) 100*100*100mm b) ... inside Sample are available Sell natural volcanic stone