Red Iridescent Ammonite - Madagascar There have been more than

There have been more than 10

These dendrites are branches of manganese crystals that have grown out and over the surface of their host rock

Morocco is famous for its specimens of vanadinite Over recent years many bright cherry-red examples have been unearthed

druzy coatings

giving rise to an additional theory that served as the nail in a very large-sized coffin

Red Iridescent Ammonite - Madagascar There have been more thanThe Cleoniceras sp. of ammonites has gained popularity over the years. Many collectors enjoy the brilliant flashes of color that are showcased on its shell. These iridescent colors are caused by light reflecting off layers of fossilized aragonite. The most highly prized specimens are excavated from the Bearpaw Formation in Alberta, Canada. These creatures lived during the Cretaceous Period, specifically around 110 million years ago. Ammonites are an