You've found the words I was needing Anne.
Laminated float glass, made into a sculpture.
I could see the clean slabs, stuck together, but then, has the surface at right angles to them been fused?
I did get to thinking later that it could be a table centrepiece for some amazing fishy extravaganza at some huge important feast.
It could even be used as a "privacy" window for a ground floor bathroom.