Red Iridescent Ammonite - Madagascar many collectors and mineral enthusiasts

many collectors and mineral enthusiasts who focus solely on the world of tourmaline

They are first seen in the Early Ordovician (~500 million years ago)

Green aventurine contains chromium-rich mica known as fuchsite

first applied during the 1730s

Chemical Formula: (Na

Red Iridescent Ammonite - Madagascar many collectors and mineral enthusiastsThe 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