![Received some marbles as a gift. They seem a little darker than normal uranium glass but still fluoresce. The larger darker red marbles fluoresce too although it's hard to see in the Received some marbles as a gift. They seem a little darker than normal uranium glass but still fluoresce. The larger darker red marbles fluoresce too although it's hard to see in the](https://external-preview.redd.it/gId3OdxzFlhzMQ8sveKvjDRa8c3TcA-uoRkJdwVWoDU.jpg?auto=webp&s=9c37fd28d9087eb038d150cb42c9708516833f6e)
Received some marbles as a gift. They seem a little darker than normal uranium glass but still fluoresce. The larger darker red marbles fluoresce too although it's hard to see in the
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GLOWING Clear Uranium Glass Marbles Vaseline Glass Marbles UV Blacklight Reactive Lot Of 10 #7474 | Auctionninja.com
![Radioactive Uranium Doped Marbles, small : United Nuclear , Scientific Equipment & Supplies, United Nuclear , Scientific Equipment & Supplies Radioactive Uranium Doped Marbles, small : United Nuclear , Scientific Equipment & Supplies, United Nuclear , Scientific Equipment & Supplies](https://unitednuclear.com/images/marblecrackledark.jpg)