Part 47847 has at least 3 differently blended variants...
All of them have a solid base, some a transparent top.
https://www.bricklink.com/v2/catalog/cat...7pb001#T=C
https://www.bricklink.com/v2/catalog/cat...7pb002#T=C
https://www.bricklink.com/v2/catalog/cat...7pb003#T=C
colors(Top+Bottom): TrMedBlue+White, TrNeonOrange+DkBluishGrey, PearlLightGrey+DarkGreen
because of the marbling, all parts are individual, hard to do a standard...
All of them have a solid base, some a transparent top.
https://www.bricklink.com/v2/catalog/cat...7pb001#T=C
https://www.bricklink.com/v2/catalog/cat...7pb002#T=C
https://www.bricklink.com/v2/catalog/cat...7pb003#T=C
colors(Top+Bottom): TrMedBlue+White, TrNeonOrange+DkBluishGrey, PearlLightGrey+DarkGreen
because of the marbling, all parts are individual, hard to do a standard...