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cryolite QUÍM.

cryolite

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He realized that by passing an electrical current through a bath of cryolite and aluminum oxide, the then semi-rare metal aluminum remained as a byproduct. en.wikipedia.org

There, she guarded the cryolite minewhich provided ore vitally needed for the production of aluminumfrom the 16th to the 26th. en.wikipedia.org

Cryolite was eventually synthesized, reducing the importance of the mine, and production was finally found uneconomical and discontinued in 1987. en.wikipedia.org

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