Custom Order — 195 Million Years in the Making #3 | Promicroceras Ammonite Pendant (Approx. 3 weeks)
Early Jurassic Promicroceras Ammonite Fossil, c. 195 Million Years Old
An authentic ammonite fossil formed during the Early Jurassic period, discovered on the world-famous Jurassic Coast near Charmouth Beach, Dorset.
Its spiral ridges are preserved in exquisite pyritized detail, creating a natural metallic luster that has endured for nearly 200 million years. Each specimen is unique, combining geological history with striking natural beauty, now transformed into a wearable relic of Earth’s deep past.
The Fossil
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Species: Promicroceras
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Age: ~195 million years (Early Jurassic)
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Location: Charmouth Beach, Dorset, England
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Size: ~14 mm at widest point (see images for comparison with a U.S. quarter)
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Preservation: Pyritized with exceptional spiral and ridge detail
The Setting & Chain
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Available in solid 18k gold or sterling silver
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Bezel setting: A smooth, classic frame shaped to the fossil’s contours for maximum security
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Prong setting: Minimalist holds at key points, leaving more of the fossil visible
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Each setting is fully hand-shaped, hammered, and polished without adhesives
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Matching sterling silver chain included; optional 14k/18k gold chain upgrade available
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Production time: approximately 3 weeks from order date (rush options available)
The History
The Jurassic Coast of southern England, a UNESCO World Heritage site, is one of the most celebrated fossil regions on earth. Ammonites such as Promicroceras thrived in the shallow seas of the Early Jurassic, their spiral shells becoming enduring symbols of resilience, evolution, and natural design.
Through pyritization — the replacement of shell material by iron pyrite — this fossil was transformed into a gleaming relic of natural artistry. To wear it today is to carry a fragment of Earth’s ancient oceans, preserved for nearly 200 million years.
What’s Included
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Authentic Early Jurassic Promicroceras ammonite fossil (~195 million years old)
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Full guarantee of authenticity, backed for life
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Custom hand-made sterling silver or 18k gold setting
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Matching chain (sterling silver standard; gold upgrade available)
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Signed certificate of authenticity with historical background
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Luxury display box
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Free insured U.S. shipping (international available)
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7-day return and exchange policy
- Guaranteed Authentic Ancient Coins.
- Carefully Set By Hand
- 7-day Return & Exchange Policy
Pairs well with
Custom Order — 195 Million Years in the Making #3 | Promicroceras Ammonite Pendant (Approx. 3 weeks)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Curated Classics. History in Every Piece
FAQs
Are all coins authentic?
Yes — all coins are genuine, not replicas. Fakes are rare because good forgeries take too much effort for low-value coins, and bad ones are easy to spot.
Where are your coins bought?
Mostly from reputable ancient coin auctions in Europe and the USA, plus private collections.
Do you ship internationally?
Yes, we proudly ship worldwide. Shipping options and times vary by country — you’ll see available methods at checkout.
Can I send you my own coin to make a pendant?
Absolutely! We love turning personal coins into wearable pieces. Just email us at info@peregrinependants.com to discuss your custom order.
What if my pendant needs repair?
If your pendant ever needs repair or resizing, contact us — we’re happy to help keep your piece in top shape.
