SEMI - NOVA LIMESTONESemi Nova Limestone is a white base natural stone which shows distribution of some black and grey dotted spots in the shape of irregular pattern throughout the surface. Semi Nova limestone has been originated from Portugal. This white stone is readily available in polished finish at Work tops. com, though it can be customised according to your prefrences if you wish finishes like honed, flamed, leathered, bush hammering, etc Semi Nova limestone is