Coccolithophore 'Emiliania huxleyi' Necklace

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This pendant is based on the coccolithophore, Emiliania huxleyi. Emiliania is a single-celled phytoplankton covered by intricate calcium carbonate plates called coccoliths and is studied as a model organism phytoplankton. Emiliania huxleyi, or "Ehux" as it is often referred to, is the most abundant coccolithophore in our oceans and is an important part of the marine food chain. When Ehux blooms, it causes the water to turn a milky turquoise color because the coccoliths themselves reflect light back into the atmosphere, a phenomenon that can be observed from space. Ehux produce alkenones, a type of lipid with fatty acid chains containing 35-41 carbons. Alkenones are an important indicator of the ocean environment because the degree of saturation of the fatty acid chains is dependent on temperature. The chemical composition of the alkenones of Ehux fossils, therefore, will reveal the temperature of the ocean during the time of their growth.

This pendant represents one coccolith of Emiliania. Pendant measures 2 cm long below the loop and is 1.9 cm wide.

The pendant is 3D printed in solid sterling silver, bronze or brass and finished with a sterling silver, gold-plated silver or rose gold-plated silver anchor chain to match.

 Jewelry Shipping

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Jewelry in stock will be shipped within 1-2 days.

Delays may occur due to coronavirus-based shipping disruption.

Australia      DHL 10-12 days 15.80 €
Canada DHL 5-8 days 15.80 €
European Union DHL 2-9 days 11.39 €
Germany DHL 1-2 days 4.99 €
Jena, Germany 10 km radius local delivery free
Japan DHL 4-6 days 15.80 €
Norway DHL 5-7 days 17.12 €
Switzerland DHL 2-4 days 16.33 €
United Kingdom DHL 3-4 days 13.22 €
United States UPS 3 Day 15.80 €
Rest of World please contact ontogenie3d@gmail.com


You will be notified by mail when your order ships and given a tracking number so that you can follow your shipment. Ontogenie jewelry is shipped internationally from Germany via DHL and other carriers. Your jewelry will be gift-wrapped in original Ontogenie packaging.

In the unlikely event that your jewelry shipment is delayed by your local customs office, you are responsible for paying any fees incurred.

T-Shirt Shipping

T-shirt shipping costs 4 Euros.

Ontogenie T-shirts are printed in Charlotte, North Carolina, USA and Riga, Latvia in Europe. T-shirt printing requires 2-7 days fulfilment time. After fulfilment, your shipment should arrive in 3-10 business days.

In the unlikely event that your shirt shipment is delayed by your local customs office, Ontogenie is not liable for any fees incurred.

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Ontogenie jewelry is 3D printed in wax and then cast in solid sterling silver, solid brass and solid bronze as well as gold-plated brass. The silver and bronze pieces, and to a lesser extent brass, will tarnish and discolor slightly over time. This is completely normal for these materials. Since moisture tends to accelerate the tarnishing process, I recommend that you don't wear the jewelry in water, e.g., while bathing, showering or swimming. The oils in your skin will also contribute to tarnishing. I recommend polishing the jewelry with a soft cloth after wear and storage in a dark, dry place to slow the oxidation which causes tarnish.

If the jewelry should tarnish, I've found that it can be returned to its original brilliance and color by using a gentle, nonabrasive silver polish. The more detailed and highly textured pieces will be more difficult to polish because of surface variations. To polish these, I recommend using a very soft toothbrush with the silver polish to allow cleaning of small crevices. After polishing, you can remove excess polish by rinsing the jewelry in water and then washing the piece in with a gentle detergent followed by a final water rinse.

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The gold-plated materials, however, should not be vigorously polished as the plating is likely to wear off over time. The gold-plated materials are much less susceptible to tarnishing and will probably never need to be polished.

All of the jewelry should be protected from impact against hard surfaces as this could cause scratches.