Large copper iridescent Caloceras display ammonite 108 mm
Large copper iridescent Caloceras display ammonite 108 mm
Large copper iridescent Caloceras display ammonite 108 mm
Large copper iridescent Caloceras display ammonite 108 mm
Large copper iridescent Caloceras display ammonite 108 mm
Large copper iridescent Caloceras display ammonite 108 mm
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  • Load image into Gallery viewer, Large copper iridescent Caloceras display ammonite 108 mm
  • Load image into Gallery viewer, Large copper iridescent Caloceras display ammonite 108 mm
  • Load image into Gallery viewer, Large copper iridescent Caloceras display ammonite 108 mm
  • Load image into Gallery viewer, Large copper iridescent Caloceras display ammonite 108 mm
  • Load image into Gallery viewer, Large copper iridescent Caloceras display ammonite 108 mm

Large copper iridescent Caloceras display ammonite 108 mm

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Tax included.

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

The matrix measures 227 mm (8.93 inches) across and the ammonite measures 108 mm (4.2 inches), which is large for 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 with plaster wedge on the back to allow it to stand freely for display. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell. The shell displays some beautiful iridescence with flashes of red and copper that appear as the viewing angle changes. There is also a small juvenile ammonite preserved next to the main one.

These fossils are preserved in the same way as the famous Canadian "Ammolite" ammonites that are turned into valuable gemstones. The fossil weighs 552 grams.

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