White marble desktop is cigarette butt burn yellow, how can ability handle?
For old or valuable marble furniture should be handled by professionals.
Wear of the marble furniture available to handle, steel wool wipe, and then use the electric polishing machine polishing, to restore the original luster.
For minor scratches of marble furniture, marble cleaner and special agent can be used;
I know this too well. Would you like to have a natural or artificial stone? If you buy two pieces of artificial 120 sand with sand grinding with water. If it is natural, we have to help you get professional.