small, round object usually made of glass, stone, or plastic glossy or matte finish may have swirls, colorations, or other markings may have a design or symbol may have a flat or slightly convex bottom surface.
marble which has small, round object marble which has usually made of glass, stone, or plastic marble which has glossy or matte finish marble which may have swirls, colorations, or other markings marble which may have a design or symbol marble which may have a flat or slightly convex bottom surface.