Bastnäs
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Bastnäs (Swedish: Bastnäs or Bastnäsfältet) is an ore-field in Riddarhyttan, Västmanland, Sweden. The mines in Bastnäs were earliest mentioned in 1692.
The chemical element cerium was first discovered in Bastnäs in 1803 by Jöns Jakob Berzelius and Wilhelm Hisinger. It was found in the heavy stone of Bastnäs (Swedish: Bastnäs tungsten).
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