Where can I find glowing glass? Glass that glows in blacklight!?

Question

I am trying to find blocks of glass that glows in blacklight as I am doing an art project and I actually fould these glass looking rocks that glow blue and green in UV light but I can't find where they came from anyone know where I could find such glass??

Answer 1

Vaseline glass is not widely available these days because of people's fears of uranium.
Spruce Pine Batch, Spruce Pine, NC carries glow in the dark colors that can be used for glassblowing and you might contact them for chunk sources.
http://www.sprucepinebatch.com/GloGlass.html

Answer 2

http://www.eagle-emporium.com/ns4.htm