TED KINSMAN / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE PHOTO LIBRARY
Vaseline glass, fluorescing under ultraviolet light. This glass uses uranium as a colouring agent. It is known for its yellow or yellowish-green colour, best detected when placed under a black light. The colour is a reaction created by the uranium dioxide added to the glass. This glass is also known as canary glass or uranium glass.
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