Uranium oxide was also used quite commonly in a ceramic glaze for bright yellows and reds: https://www.artsy.net/artwork/lucie-rie-lucie-rie-rare-uranium-yello

Uranium oxide was also used quite commonly in a ceramic glaze for bright yellows and reds: https://www.artsy.net/artwork/lucie-rie-lucie-rie-rare-uranium-yellow-glaze-with-bronze-slip-rim https://www.artsy.net/artwork/lucie-rie-lucie-rie-rare-urani...