Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
Copper iridescent Caloceras display ammonite
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  • Load image into Gallery viewer, Copper iridescent Caloceras display ammonite
  • Load image into Gallery viewer, Copper iridescent Caloceras display ammonite
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Copper iridescent Caloceras display ammonite

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

The matrix measures 88 mm (3.46 inches) across and the ammonite measures 61 mm. The shell sits in the original limestone matrix in which it was found. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell. The shell displays some beautiful multi-coloured iridescence with flashes of red, gold, and copper that appear as the viewing angle changes. The matrix has a cut-flat base and plaster wedge on the back to allow it to stand freely for display.

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 110 grams.

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