Subtly pearlescent and iridescent Caloceras display ammonite
Subtly pearlescent and iridescent Caloceras display ammonite
Subtly pearlescent and iridescent Caloceras display ammonite
Subtly pearlescent and iridescent Caloceras display ammonite
Subtly pearlescent and iridescent Caloceras display ammonite
Subtly pearlescent and iridescent Caloceras display ammonite
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  • Load image into Gallery viewer, Subtly pearlescent and iridescent Caloceras display ammonite
  • Load image into Gallery viewer, Subtly pearlescent and iridescent Caloceras display ammonite
  • Load image into Gallery viewer, Subtly pearlescent and iridescent Caloceras display ammonite
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Subtly pearlescent and iridescent Caloceras display ammonite

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

The matrix measures 168 mm (6.6 inches) tall and the ammonite measures 60 mm across. The shell sits in the limestone matrix in which it was found that has been shaped and has a cut-flat base and rock-coloured plaster wedge on the back 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. The shell displays some beautiful pearlescence and iridescence, with faint green and red tones flashing as the viewing angle changes. The fossil weighs 660 grams.

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