Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Red Aventurine This exquisite collection features carefully

This exquisite collection features carefully selected crystals

Biotite supports deep emotional work and spiritual insight by helping to reveal hidden patterns and bring light to shadow aspects of the self

Heart Chakra – Opens and strengthens the heart space

It’s like having a little piece of the ocean in your pocket

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Red Aventurine This exquisite collection features carefullyA 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