Before revision: Picture of plastic and rocks on beach, (this is not a Plastistone, it is only when the two fuse together that it is) Plastistone is the umbrella term for rocks that have fused with plastic.
After revision: aPicture of plastic and rocks on beach, (this is not a Plastistone, it is only when the two fuse together that it is) Plastistone is the umbrella term for rocks that have fused with plastic.