SKU: 59167307208

Huge multi-coloured iridescent Caloceras display ammonite (117mm)

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Description

Huge multi-coloured iridescent Caloceras display ammonite (117mm)A stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 200 mm (7. 9 inches) wide and contains a very large ammonite that measures 117 mm. These ammonites don't get much bigger than this one! The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut flat base to allow it to be displayed freely standing. The ammonite is very well

A stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK.

The matrix measures 200 mm (7.9 inches) wide and contains a very large ammonite that measures 117 mm. These ammonites don't get much bigger than this one! The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut-flat base to allow it to be displayed freely standing. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell, which displays some beautiful multicoloured iridescence with flashes of red, gold, green, and copper that appear as the viewing angle changes. This one really has spectacular colours. 

These fossils are highly sought after and very hard to find, especially complete like this. They are preserved in the same way as the famous Canadian "Ammolite" ammonites that are turned into valuable gemstones. The fossil weighs 575 grams.

Around 200 million years old (Hettangian, Early Jurassic), this fossil would make a wonderful addition to any collection.

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SKU: 59167307208

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Natrona Heights, US
★★★★★ 5
Great price...
Format: Paperback
Needed this for my EKG course. Price was right.
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Reviewed in the United States on February 1, 2026
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LUCIOUS
Waukegan, US
★★★★★ 5
Satisfied
Format: Paperback, Format: Paperback
Brand new got here on time, haven’t got to indulge in the content yet but definitely exactly what I ordered.
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Reviewed in the United States on May 10, 2025
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Breanna Geyer
Omaha, US
★★★★★ 5
EKGs are difficult and I still don’t understand
Format: Paperback
Hey I’m in nursing school and I bought this… it’s not the pocket size, it’s actually a full size book. It brought tears to my eyes many times. I have no idea what a 3rd degree block is. Hopefully you can learn and be a good nurse! EKGs are for the doctors to read. So don’t be too hard on yourself. But you should probably know what normal sinus rhythm looks like… 👍🏼
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Reviewed in the United States on January 22, 2024
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Alex h.
Waukegan, US
★★★★★ 5
My teacher thinks some of the ekgs are wrong
Format: Paperback
Can anyone put me in contact with the author of this book? My ekg/cardiology teacher is slandering her name and saying some of the rhythms she has in this book are wrong. Really upsets me because he is only a nurse and teaching a pre paramedic course. Doctors and cardiologist were the ones who cited this book. The rhythms are correct, my teacher just wants to think he is smarter than everyone else when it comes to cardiology. Otherwise I love this book and very helpful.
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Reviewed in the United States on November 8, 2023
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Andrea Lowrey
Boise, US
★★★★★ 5
Excellent Book
Format: Paperback
As a nurse I struggle sometimes with rhythm recognition for some of the more complicated ones. This book is easy to read with many practice strips to help you comprehend even the complex details. Would highly recommend to anyone who needs to learn EKGs or brush up on their rhythm recognition skills. Great book!
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Reviewed in the United States on June 8, 2023

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