Granite kitchen worktop polishing This Blue Pearl granite kitchen worktop has been etched unexplainedly by some liquid and required some polishing and restoration of the shine followed by some high-quality sealing (Feb'2018). 1 The granite looks dull and has no shine 2 The etching extends to most of the worktop 3 Halfway through polishing the stone is already more uniform 4 The shine is restored 5 The worktop looks like nothing ever happened 6 The stone is sealed all over 7 Before and after see more repairs