How Much Does A Granite Headstone Cost What Is Best Way To Clean A Granite Headstone?

What is best way to clean a granite headstone? - how much does a granite headstone cost

when it recently bought, a polished granite have been advised not to use his head with a damp cloth and scouring agents, at any price, because they could damage the stone, where is thy shiny clean, do not know just water, the procedure for Polishing