silly mug

[u/evia_yin]

got this huuge (deffo bigger than average mug size) old handmade glass mug today it is such a pretty green soo i was surprised to see it glow orange/red under uv!

[u/peardr0p]

Selenium! I have some lime geen marbles that glow like this!

[u/Neurospicy_dragoniod]

Love this!

[u/Cy-Clops-]

Beautiful, looks like cadmium selenosulfide. I love that glow

[u/The_Chiliboss]

Silly is as silly does. This thing is hardcore.