Marc Delafontaine
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Carl Gustaf Mosander
Kalmar
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1797 in science
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Group 3 element
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Praseodymium
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Karolinska Institute
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Gadolinite
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Chemical symbol
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1797
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Thulium
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Terbium
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Neodymium
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Lanthanum
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Holmium
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Erbium
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Timeline of chemical element discoveries
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Carl Mosander
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Carl G. Mosander
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Carl Gustav Mosander
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