SKU: 43891096401

Rainbow iridescent Caloceras display ammonite fossil 45mm

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Description

Rainbow iridescent Caloceras display ammonite fossil 45mmA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 112 mm (4. 42 inches) across and contains a single complete ammonite that measures 45 mm (1. 8 inches), making it a juvenile of this species. 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

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

The matrix measures 112 mm (4.42 inches) across and contains a single complete ammonite that measures 45 mm (1.8 inches), making it a juvenile of this species. 

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 iridescence that changes as the viewing angle changes, with red, orange, and green colours dominating. These are very sought-after colours in these fossils! The whole piece weighs 140 grams. 

These fossils are highly sought after and very hard to find. They are preserved in the same way as the famous Canadian "Ammolite" ammonites that are turned into valuable gemstones. These fossils make great unusual gifts and each one is totally unique.

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

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SKU: 43891096401

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4.5 ★★★★★
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Verified Purchase
Amazon Customer
Port Orchard, US
★★★★★ 5
Great book!
Format: Hardcover
My kids love this book. It's not a super long book but long enough to give a fun storyline. Puts a fun spin on cupid.
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Reviewed in the United States on February 24, 2026
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Verified Purchase
Leigha
Lexington, US
★★★★★ 5
Need this for your library
Format: Hardcover
Funny book. My class loves it.
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Reviewed in the United States on January 29, 2026
M
Michael Mateja
Battle Creek, US
★★★★★ 5
Kids love the newest “Worst” tale-
Format: Hardcover
Kids will love this next book in The Worst series. Awesome, fun, colorful illustrations in this tale with Gilbert the Goblin trying to escape cupids and valentines. Instead of candy for Valentine’s Day give the gift of this book. My students love when Alex Willan has a new book out and are loving this one.
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Reviewed in the United States on January 17, 2026
H
Heidi Grange
Lexington, US
★★★★★ 4
Plenty of fun for Gilbert fans!
Format: Hardcover
As in previous books in the series, Gilbert the Goblin complains about the problems he sees with Valentine's Day, what he calls 'mushy malarkey'. Young readers who don't care for the holiday will find much to relate to in the book. Although, Gilbert's complaints seem a tad trifling. Coconut chocolates are 'Blech'. He seems to have a special issue with the cupid's 'perfect', 'beautiful', and 'luxurious' hair. When Gilbert faces off with a group of cupids, he just barely manages to escape their love arrows, or so he thinks until he backs into a cactus in his own yard and believes he has been pricked by one such love arrow. He then becomes a goblin full of love. He loves his spells, his potions, even himself, but not coconut chocolates. He even welcomes his friends over to celebrate before bidding his pet sock slugs a fond goodnight. Good thing the love spell wears off. This funny book follows the pattern of the previous five books, but the addition of adorable cupids as well as Gilbert's beloved cactuses and pet sock slugs provides plenty of freshness as Gilbert once again (reluctantly) joins in the festivities. Plenty of fun for young fans of the series.
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Reviewed in the United States on February 10, 2026
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Parent/Teacher
Battle Creek, US
★★★★★ 5
LOVE this book! ❤️
Format: Hardcover
I am a kindergarten teacher and my students LOVE this series! Valentines are the Worst is a new favorite! The illustrations are amazing as always and the story is funny and sweet, perfect for Valentine's Day!
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Reviewed in the United States on January 17, 2026

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