Carved from natural Smokey Quartz

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

allowing the natural metallic surface and mineral composition to be appreciated in their prepared state

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

Recommended Use:Carry daily to support emotional release and gentle self-discovery

Promicroceras Planicosta (Reynès, 1879) – Calcite Ammonite Fossil Mystic Stone Carved from natural Smokey QuartzA 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