not that into playing minecraft but I do like to build...

so, I never played minecraft as a kid. Still do not like playing it, but, LOVE the building option. made a sculpture that is lava encase with water, this reminded me of idea.  Imagine the gold bit is light omitting (could be with a florescent case which is why above photo made me think of that) and then light is partially tempered but water casing... second thought, just make it fire encased in  SERIOUS glass encased by a water tank shorter than fire tank...
I usually do diagrams by hand, sorry.

the bottom one is top view, maybe that reads better