...it seems pouring lava into tar makes a clear glass with a shaded tint. It is a very heavy glass, and the thickness is entirely dependent on the pour as well as how much the tar has been heated before being treated. We have many plans for how this can be used not just for instruments, but even a captain who we entertained the other day thought it a model for shields potentially. He had the innovative notion of being able to withstand all sorts of force and assault yet being able to see the entire vista of battle and enemy from behind his shield. Lastly we believe we will be able to give this to the artisans of the Al'qala who will be able to create beautiful decoratives for the paradise...