Zodiac:Libra – Promotes harmony

These impressive ammonites have been cut in half and both halves have been highly polished for optimal display

displaying deep indigo to metallic blue tones with flashes of violet and gold

intricate formations

Promicroceras Planicosta (Reynès, 1879) – Calcite Ammonite Fossil Mystic Stone Zodiac:Libra – Promotes harmonyA beautifully preserved specimen of Promicroceras planicosta, fully replaced by calcite. This ammonite displays fine ribbing and its characteristic planispiral coiling. As a key index fossil of the Lower Jurassic Sinemurian, Promicroceras is highly significant for ammonite biostratigraphy in the UK. An excellent choice for collectors, researchers, or curated display. Stratigraphic Context Lower Lias Group, Obtusum Zone Chronostratigraphy Lower