Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil EMF protection sphere Metaphysical Properties: Amethyst is celebrated

Metaphysical Properties: Amethyst is celebrated for its ability to calm the mind

They are index fossils

resilience and inner strength

kind self-expression• Create a peaceful atmosphere for rest or reflection

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil EMF protection sphere Metaphysical Properties: Amethyst is celebratedA 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