"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
"Popped" calcite Promicroceras ammonite display piece
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"Popped" calcite Promicroceras ammonite display piece

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A stunning example of an ammonite fossil of the species Promicroceras planicosta from the world-famous Jurassic Coast beach of Charmouth, Dorset UK.

The piece of limestone matrix measures 88 mm (3.5 inches) tall and the fossil ammonite measures 21 mm (0.83 of an inch) across. This is a "popped" ammonite, where the ammonite is free from the rock to reveal both the positive cast of the shell and the negative impression. The ammonite fits back into the impression in the rock and can be displayed as a single piece or separately. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell. The ribs are very finely defined, and the light yellow colour is beautiful. There is a small hole in the very centre of the ammonite.  An additional feature of this fossil is that when a light is shone behind it, the shell glows and becomes translucent, showing off the internal crystalline structure. A great example of the species and impressive in the flesh. The fossil weighs 165 grams (both pieces combined) and has a cut flat base to allow it to stand freely on its own for display.

Around 196 million years old (Sinemurian, Early Jurassic), this fossil would make a wonderful addition to any collection.