Crystals formed inside an ammonite fossil

71 Million Year Old Iridescent Ammonite Fossil. Ammonites are squid-like creatures that lived in the Mesozoic Era. This Ammonite is naturally iridescent and colorful due to the Ammolite gemstone that formed on its surface.

That's so cool, Science girl! Ammonite crystals are fascinating. Thanks for sharing!

Okay

Perfectly cut to get the crystals

This is amazing

Science is amazing fr

Ammonites, extinct marine cephalopods with coiled shells, leave behind fossils after millions of years. The shells, initially composed of aragonite, a calcium carbonate mineral, undergo a process of mineral replacement where aragonite is gradually replaced by other minerals.

A fossil short of.

I love ammonites, especially when they have a lot of ammolite visible. As a jewelry artist, they are very difficult for me to Wrap, but always worth the effort in the end🥰