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
Lot of 20 Vintage Uranium Glass Marbles | eBay
Uranium Containing Marble (ca. 1960s) | Museum of Radiation and Radioactivity
Louisville Fossils and Beyond: Fluorescent Uranium Glass Marbles
Uranium Glass Marbles - YouTube
Vaseline glass marbles found thrifting : r/uraniumglass
Vaseline Glass Marbles - 14.4 | National Museum of Nuclear Science & History
UV Set Uranium Glass Marble King Shooter / Black Light Vaseline Glow in Dark | eBay
Amazon.com: Curated Collectables Uranium Emerald Glow Marbles Mix - 1 Pack of 6 : Toys & Games