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TonyTonyChopper , 2 months ago well yes but also uranium dissolved in glass is fluorescent https://orau.org/health-physics-museum/img/museum/consumer-products/glass/vaseline-2.jpg and uranium salts are bright yellow https://upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Uranylnitrate_crystals.jpg/440px-Uranylnitrate_crystals.jpg
well yes but also uranium dissolved in glass is fluorescent https://orau.org/health-physics-museum/img/museum/consumer-products/glass/vaseline-2.jpg
and uranium salts are bright yellow https://upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Uranylnitrate_crystals.jpg/440px-Uranylnitrate_crystals.jpg