marble

To give something a streaked or mottled pattern, resembling marble.

"She marbled the paper with different colours."

A small, spherical ball, typically made of glass, used in children's games.

"He won a blue marble from his friend."

(Informal, plural) One's mental faculties or sanity.

"He's lost his marbles, talking to himself."

A hard, crystalline metamorphic rock, often polished for building or sculpture.

"The ancient statue was carved from marble."