this martini glass in is cheaply made in china by the Shanxi Xc Glassware Co.
it's pretty nice cased glass but it's the unusual (?) effect under light that interests me most. Forgive me if I am getting over excited, I don't have much cased glass so I don;t know if this is usual.
It has a glow under halogen lights. I've tried to capture it but none of the pics capture the effect as seen by the eye.
Can anyone explain how or why it happens? Is there a chemical/oxide/ore etc. in the glass to cause this glow.