... :Italy 4.Color:Grey 5.Surface finishing:Polish Name:grey jasper(Long wen)Classification:SemipreciousPlace of origin:ItalyColor:GreySurface finishing:Sawn ... , Flamed,Acid,Sandblasted, Washed, etc.Bush hammered,Axed,Grooved,Chiseled,Rough picked,Mushroom,Splited,etcVein: Application:Skirting,Tread & Riser stairs,Bollard ... ~18mm thk.,19~20mm thk.,25mm up thk. natural grey jasper semiprecious