[Stefan Buda]

Originally Posted by JohnF

It is 45MM thick. And it has some white inclusions in the glass -- think it was cast in that glass. Will look for any other colour.

-- https://www.youtube.com/watch?v=D1_-Xc2SpyE

In that case I can't use it because chances are that those inclusions will end up right on the surface once I cut it down to a good thickness.
Thanks anyway.