Uranium glass

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

Uranium glass or vaseline glass or canary glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for coloration. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century pieces were made with up to 25% uranium.

Excerpt from the Wikipedia article “Uranium glass”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Art Jarka, CC BY-SA 3.0, via Wikimedia Commons.