Iridescent multi-Caloceras display ammonite
Iridescent multi-Caloceras display ammonite
Iridescent multi-Caloceras display ammonite
Iridescent multi-Caloceras display ammonite
Iridescent multi-Caloceras display ammonite
Iridescent multi-Caloceras display ammonite
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Iridescent multi-Caloceras display ammonite

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

The matrix measures 125 mm (4.95 inches) wide. and contains two small ammonites. The shells sit in the original limestone matrix in which they were found. The ammonites are well preserved and have been prepared out of the rock to reveal the shells. The shell displays some beautiful iridescence with flashes of red and copper that appear as the viewing angle changes. The matrix has a cut-flat base to allow it to stand freely for display.

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. The fossil weighs 260 grams.

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