Blue Glowing Swirl Slag Uranium Glass Cullet Chunk Premium Swirl approx 2 1/2 inches long
Glows under a black light.
The piece of cullet in the photo is the exact piece you will receive.
Please be aware that cullet can have sharp edges.
If you are interested in multiple pieces that I have listed, feel free to contact me to put a personal bundle listing together. I am happy to bundle pieces to save money on shipping.