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2. This dainty dinosaur necklace.

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By Hannah Run, £17.22.
3. This ohm-azing little omega necklace.

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By Little English Jewelry, £13.03.
4. This little wooden infinity sign necklace.

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By StudioRavenscraig, £15.
5. This scaled down Saturn necklace.

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By The Eleventh Spirit, £18.81.
6. This sweet serotonin molecule necklace.

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By MagnificoJewel, £26.77.
7. This itty-bitty nudibranch necklace.

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By indolentjellyfish, £28.22.
8. This gorgeously geometric polyhedron necklace.

10. This teeny tiny geode necklace.

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By northernroots, £28.44.
11. This microscopic microscope necklace.

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By EnchantedLeaves, £11.51.
12. This busy bumblebee necklace.

13. This brilliant neuron necklace.

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By The Molecule Shop, £21.59.
14. This miniature moon phase necklace.

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By AlejandraGiannoni, £43.82.
15. This delightful DNA necklace.

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By TeomanDesign, £24.48.
16. This remarkable dinosaur eggshell necklace.

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By WeTheSciencey, £25.91.
17. This perfect Pleiades necklace.

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By OnceUponASine, £25.19.