We've got a 1950s Cape Cod style home, with that gray skinny long stone used to build the fireplace. I guess the face of the stone is about 3 inches by 24 inches, and I have typically seen them used in ranch homes for fireplaces, dividing walls, and even as exterior accents on brick wall corners, or as planters.
Anyway, somewhere along the line someone drew on the top of the stone mantle, I guess with crayon. The color has been removed, but we can still see the writing very clearly.
Is there a 'right' way to clean this stone?