OK, its a marble. Its the same marble as in "Surface Scan", also the same marble as in Exhibition "Leftover Blue". The surface is pitted and this marble wouldn't be used as a marble, per se. Its an "aquarium marble", i.e. a reject sold for another use. Nice guessing, gang. Cheers, -mikey
LOL ~Jeannie. A plastic bottle of some sort... dish washing soap dispenser? There's some droplet or bubble texture there.. Or a glass jar, like Julie says?