Ytterby

The little town of Ytterby in Sweden has 4 elements in the Periodic table named after it - yttrium(Y), erbium(Er), terbium(Tb), and ytterbium(Yb). In addition, 4 other elements, Scandium, Holmium, Thulium, Gadolinium, too can trace their discovery back to this quarry.

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